├── .fvm
    ├── flutter_sdk
    └── fvm_config.json
├── .gitignore
├── .idea
    ├── codeStyles
    │   └── Project.xml
    ├── libraries
    │   ├── Dart_SDK.xml
    │   └── Flutter_Plugins.xml
    ├── misc.xml
    ├── modules.xml
    ├── runConfigurations
    │   └── example_lib_main_dart.xml
    ├── vcs.xml
    └── workspace.xml
├── .metadata
├── CHANGELOG.md
├── LICENSE
├── README.md
├── android
    ├── .gitignore
    ├── .idea
    │   ├── .gitignore
    │   ├── .name
    │   ├── caches
    │   │   ├── build_file_checksums.ser
    │   │   └── gradle_models.ser
    │   ├── codeStyles
    │   │   └── Project.xml
    │   ├── gradle.xml
    │   ├── misc.xml
    │   ├── modules.xml
    │   ├── runConfigurations.xml
    │   └── vcs.xml
    ├── build.gradle
    ├── gradle.properties
    ├── gradle
    │   └── wrapper
    │   │   └── gradle-wrapper.properties
    ├── settings.gradle
    └── src
    │   └── main
    │       ├── AndroidManifest.xml
    │       └── java
    │           └── com
    │               └── example
    │                   └── flutter_custom_dropdown
    │                       └── FlutterCustomDropdownPlugin.java
├── example
    ├── .gitignore
    ├── .metadata
    ├── README.md
    ├── android
    │   ├── .gitignore
    │   ├── app
    │   │   ├── build.gradle
    │   │   └── src
    │   │   │   ├── debug
    │   │   │       └── AndroidManifest.xml
    │   │   │   ├── main
    │   │   │       ├── AndroidManifest.xml
    │   │   │       ├── java
    │   │   │       │   └── com
    │   │   │       │   │   └── example
    │   │   │       │   │       └── flutter_custom_dropdown_example
    │   │   │       │   │           └── MainActivity.java
    │   │   │       └── res
    │   │   │       │   ├── drawable
    │   │   │       │       └── launch_background.xml
    │   │   │       │   ├── mipmap-hdpi
    │   │   │       │       └── ic_launcher.png
    │   │   │       │   ├── mipmap-mdpi
    │   │   │       │       └── ic_launcher.png
    │   │   │       │   ├── mipmap-xhdpi
    │   │   │       │       └── ic_launcher.png
    │   │   │       │   ├── mipmap-xxhdpi
    │   │   │       │       └── ic_launcher.png
    │   │   │       │   ├── mipmap-xxxhdpi
    │   │   │       │       └── ic_launcher.png
    │   │   │       │   └── values
    │   │   │       │       └── styles.xml
    │   │   │   └── profile
    │   │   │       └── AndroidManifest.xml
    │   ├── build.gradle
    │   ├── gradle.properties
    │   ├── gradle
    │   │   └── wrapper
    │   │   │   └── gradle-wrapper.properties
    │   └── settings.gradle
    ├── ios
    │   ├── .gitignore
    │   ├── Flutter
    │   │   ├── AppFrameworkInfo.plist
    │   │   ├── Debug.xcconfig
    │   │   └── Release.xcconfig
    │   ├── Runner.xcodeproj
    │   │   ├── project.pbxproj
    │   │   ├── project.xcworkspace
    │   │   │   ├── contents.xcworkspacedata
    │   │   │   └── xcshareddata
    │   │   │   │   ├── IDEWorkspaceChecks.plist
    │   │   │   │   └── WorkspaceSettings.xcsettings
    │   │   └── xcshareddata
    │   │   │   └── xcschemes
    │   │   │       └── Runner.xcscheme
    │   ├── Runner.xcworkspace
    │   │   ├── contents.xcworkspacedata
    │   │   └── xcshareddata
    │   │   │   ├── IDEWorkspaceChecks.plist
    │   │   │   └── WorkspaceSettings.xcsettings
    │   └── Runner
    │   │   ├── AppDelegate.h
    │   │   ├── AppDelegate.m
    │   │   ├── Assets.xcassets
    │   │       ├── AppIcon.appiconset
    │   │       │   ├── Contents.json
    │   │       │   ├── Icon-App-1024x1024@1x.png
    │   │       │   ├── Icon-App-20x20@1x.png
    │   │       │   ├── Icon-App-20x20@2x.png
    │   │       │   ├── Icon-App-20x20@3x.png
    │   │       │   ├── Icon-App-29x29@1x.png
    │   │       │   ├── Icon-App-29x29@2x.png
    │   │       │   ├── Icon-App-29x29@3x.png
    │   │       │   ├── Icon-App-40x40@1x.png
    │   │       │   ├── Icon-App-40x40@2x.png
    │   │       │   ├── Icon-App-40x40@3x.png
    │   │       │   ├── Icon-App-60x60@2x.png
    │   │       │   ├── Icon-App-60x60@3x.png
    │   │       │   ├── Icon-App-76x76@1x.png
    │   │       │   ├── Icon-App-76x76@2x.png
    │   │       │   └── Icon-App-83.5x83.5@2x.png
    │   │       └── LaunchImage.imageset
    │   │       │   ├── Contents.json
    │   │       │   ├── LaunchImage.png
    │   │       │   ├── LaunchImage@2x.png
    │   │       │   ├── LaunchImage@3x.png
    │   │       │   └── README.md
    │   │   ├── Base.lproj
    │   │       ├── LaunchScreen.storyboard
    │   │       └── Main.storyboard
    │   │   ├── Info.plist
    │   │   └── main.m
    ├── lib
    │   ├── config
    │   │   ├── filter_data.dart
    │   │   └── index.dart
    │   ├── main.dart
    │   └── pages
    │   │   ├── home_index.dart
    │   │   ├── motionless_moving_filter.dart
    │   │   ├── motionless_multiple_filter.dart
    │   │   ├── motionless_screening_filter.dart
    │   │   └── motionless_scroll_filter.dart
    ├── pubspec.lock
    ├── pubspec.yaml
    └── test
    │   └── widget_test.dart
├── flutter_custom_dropdown.iml
├── ios
    ├── .gitignore
    ├── Assets
    │   └── .gitkeep
    ├── Classes
    │   ├── FlutterCustomDropdownPlugin.h
    │   └── FlutterCustomDropdownPlugin.m
    └── flutter_custom_dropdown.podspec
├── lib
    ├── flutter_custom_dropdown.dart
    └── tool
    │   ├── custom_button
    │       └── filter_button.dart
    │   ├── drapdown_common.dart
    │   ├── dropdown_header.dart
    │   ├── dropdown_list_menu.dart
    │   ├── dropdown_menu.dart
    │   ├── dropdown_menu_customize.dart
    │   ├── dropdown_sliver.dart
    │   └── templates
    │       └── build_check_item.dart
├── pubspec.lock
├── pubspec.yaml
└── test
    └── flutter_custom_dropdown_test.dart


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1 | C:/Users/DingBuPing/fvm/versions/2.10.5


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3 | }


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1 | .DS_Store
2 | .dart_tool/
3 | 
4 | .packages
5 | .pub/
6 | 
7 | build/
8 | 


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127 |       <window_info id="Image Layers" />
128 |       <window_info id="Designer" />
129 |       <window_info id="Captures" side_tool="true" />
130 |       <window_info id="Resources Explorer" />
131 |       <window_info id="Capture Tool" />
132 |       <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.1988273" />
133 |       <window_info anchor="bottom" id="Dart Analysis" weight="0.25055188" />
134 |       <window_info anchor="bottom" id="Run" />
135 |       <window_info anchor="bottom" id="Logcat" />
136 |       <window_info anchor="bottom" id="TODO" />
137 |       <window_info anchor="bottom" id="Debug" visible="true" weight="0.3289183" />
138 |       <window_info anchor="bottom" id="Terminal" />
139 |       <window_info anchor="bottom" id="Event Log" side_tool="true" />
140 |       <window_info anchor="bottom" id="Version Control" />
141 |       <window_info anchor="bottom" id="Messages" weight="0.3289183" />
142 |       <window_info anchor="bottom" id="Android Profiler" show_stripe_button="false" />
143 |       <window_info anchor="right" id="Device File Explorer" side_tool="true" />
144 |       <window_info anchor="right" id="Capture Analysis" />
145 |       <window_info anchor="right" id="Theme Preview" />
146 |       <window_info anchor="right" id="Flutter Inspector" weight="0.32995737" />
147 |       <window_info anchor="right" id="Flutter Outline" weight="0.32995737" />
148 |       <window_info anchor="right" id="Palette&#9;" />
149 |       <window_info anchor="right" id="Flutter Performance" />
150 |     </layout>
151 |   </component>
152 |   <component name="editorHistoryManager">
153 |     <entry file="file://$PROJECT_DIR$/README.md">
154 |       <provider selected="true" editor-type-id="text-editor">
155 |         <state relative-caret-position="351">
156 |           <caret line="13" lean-forward="true" selection-start-line="13" selection-end-line="13" />
157 |         </state>
158 |       </provider>
159 |     </entry>
160 |     <entry file="file://$PROJECT_DIR$/LICENSE">
161 |       <provider selected="true" editor-type-id="text-editor">
162 |         <state relative-caret-position="378">
163 |           <caret line="14" lean-forward="true" selection-start-line="14" selection-end-line="14" />
164 |         </state>
165 |       </provider>
166 |     </entry>
167 |     <entry file="file://$PROJECT_DIR$/pubspec.yaml">
168 |       <provider selected="true" editor-type-id="text-editor">
169 |         <state>
170 |           <caret column="29" selection-start-column="6" selection-end-column="29" />
171 |         </state>
172 |       </provider>
173 |     </entry>
174 |     <entry file="file://$PROJECT_DIR$/lib/flutter_custom_dropdown.dart">
175 |       <provider selected="true" editor-type-id="text-editor">
176 |         <state relative-caret-position="243">
177 |           <caret line="9" selection-start-line="9" selection-end-line="9" />
178 |           <folding>
179 |             <element signature="e#33#68#0" expanded="true" />
180 |           </folding>
181 |         </state>
182 |       </provider>
183 |     </entry>
184 |     <entry file="file://$PROJECT_DIR$/lib/tool/templates/build_check_item.dart">
185 |       <provider selected="true" editor-type-id="text-editor">
186 |         <state relative-caret-position="27">
187 |           <caret line="2" selection-start-line="2" selection-end-line="2" selection-end-column="70" />
188 |         </state>
189 |       </provider>
190 |     </entry>
191 |     <entry file="file://$PROJECT_DIR$/lib/tool/dropdown_list_menu.dart">
192 |       <provider selected="true" editor-type-id="text-editor">
193 |         <state relative-caret-position="162">
194 |           <caret line="6" column="65" selection-start-line="6" selection-start-column="65" selection-end-line="6" selection-end-column="65" />
195 |           <folding>
196 |             <element signature="e#0#40#0" expanded="true" />
197 |           </folding>
198 |         </state>
199 |       </provider>
200 |     </entry>
201 |     <entry file="file://$PROJECT_DIR$/test/flutter_custom_dropdown_test.dart">
202 |       <provider selected="true" editor-type-id="text-editor" />
203 |     </entry>
204 |     <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
205 |       <provider selected="true" editor-type-id="text-editor">
206 |         <state relative-caret-position="432">
207 |           <caret line="29" column="19" selection-start-line="29" selection-start-column="19" selection-end-line="29" selection-end-column="19" />
208 |           <folding>
209 |             <element signature="e#0#39#0" expanded="true" />
210 |           </folding>
211 |         </state>
212 |       </provider>
213 |     </entry>
214 |     <entry file="file://$PROJECT_DIR$/example/lib/pages/home_index.dart">
215 |       <provider selected="true" editor-type-id="text-editor" />
216 |     </entry>
217 |     <entry file="file://$PROJECT_DIR$/example/lib/pages/motionless_moving_filter.dart">
218 |       <provider selected="true" editor-type-id="text-editor">
219 |         <state relative-caret-position="189">
220 |           <caret line="398" column="15" selection-start-line="398" selection-start-column="15" selection-end-line="398" selection-end-column="15" />
221 |           <folding>
222 |             <element signature="e#0#40#0" expanded="true" />
223 |           </folding>
224 |         </state>
225 |       </provider>
226 |     </entry>
227 |     <entry file="file://$PROJECT_DIR$/example/lib/pages/motionless_multiple_filter.dart">
228 |       <provider selected="true" editor-type-id="text-editor">
229 |         <state relative-caret-position="189">
230 |           <caret line="107" column="24" selection-start-line="107" selection-start-column="24" selection-end-line="107" selection-end-column="24" />
231 |           <folding>
232 |             <element signature="e#0#40#0" expanded="true" />
233 |           </folding>
234 |         </state>
235 |       </provider>
236 |     </entry>
237 |     <entry file="file://$PROJECT_DIR$/example/lib/pages/motionless_screening_filter.dart">
238 |       <provider selected="true" editor-type-id="text-editor">
239 |         <state relative-caret-position="189">
240 |           <caret line="101" column="24" selection-start-line="101" selection-start-column="24" selection-end-line="101" selection-end-column="24" />
241 |           <folding>
242 |             <element signature="e#0#40#0" expanded="true" />
243 |           </folding>
244 |         </state>
245 |       </provider>
246 |     </entry>
247 |     <entry file="file://$PROJECT_DIR$/example/lib/pages/motionless_scroll_filter.dart">
248 |       <provider selected="true" editor-type-id="text-editor">
249 |         <state relative-caret-position="432">
250 |           <caret line="136" column="46" lean-forward="true" selection-start-line="136" selection-start-column="46" selection-end-line="136" selection-end-column="46" />
251 |           <folding>
252 |             <element signature="e#0#40#0" expanded="true" />
253 |           </folding>
254 |         </state>
255 |       </provider>
256 |     </entry>
257 |   </component>
258 | </project>


--------------------------------------------------------------------------------
/.metadata:
--------------------------------------------------------------------------------
 1 | # This file tracks properties of this Flutter project.
 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc.
 3 | #
 4 | # This file should be version controlled and should not be manually edited.
 5 | 
 6 | version:
 7 |   revision: d408d302e22179d598f467e11da5dd968dbdc9ec
 8 |   channel: stable
 9 | 
10 | project_type: plugin
11 | 


--------------------------------------------------------------------------------
/CHANGELOG.md:
--------------------------------------------------------------------------------
 1 | ## 0.0.1
 2 | 
 3 | * TODO: Describe initial release.
 4 | 
 5 | ## 0.0.2
 6 | 
 7 | *TODO: Upgrade to null safe.
 8 | 
 9 | ## 0.0.3
10 | *TODO: Upgrade to null safe.
11 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | Copyright (c) 2021 Ping Ding
 3 | <some license text>
 4 | Permission is hereby granted, free of charge, to any person obtaining a copy
 5 | of this software and associated documentation files (the "Software"), to deal
 6 | in the Software without restriction, including without limitation the rights
 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 8 | copies of the Software, and to permit persons to whom the Software is
 9 | furnished to do so, subject to the following conditions:
10 | 
11 | The above copyright notice and this permission notice shall be included in all
12 | copies or substantial portions of the Software.
13 | --------------------------------------------------------------------------------
14 | <some license text>
15 | 


--------------------------------------------------------------------------------
/android/.gitignore:
--------------------------------------------------------------------------------
1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/workspace.xml
5 | /.idea/libraries
6 | .DS_Store
7 | /build
8 | /captures
9 | 


--------------------------------------------------------------------------------
/android/.idea/.gitignore:
--------------------------------------------------------------------------------
1 | # Default ignored files
2 | /shelf/
3 | /workspace.xml
4 | 


--------------------------------------------------------------------------------
/android/.idea/.name:
--------------------------------------------------------------------------------
1 | flutter_custom_dropdown


--------------------------------------------------------------------------------
/android/.idea/caches/build_file_checksums.ser:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Quietly-20201113/flutter_custom_dropdown/a15df55f29ca15437f1d8c43122956f316962b78/android/.idea/caches/build_file_checksums.ser


--------------------------------------------------------------------------------
/android/.idea/caches/gradle_models.ser:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Quietly-20201113/flutter_custom_dropdown/a15df55f29ca15437f1d8c43122956f316962b78/android/.idea/caches/gradle_models.ser


--------------------------------------------------------------------------------
/android/.idea/codeStyles/Project.xml:
--------------------------------------------------------------------------------
  1 | <component name="ProjectCodeStyleConfiguration">
  2 |   <code_scheme name="Project" version="173">
  3 |     <codeStyleSettings language="XML">
  4 |       <indentOptions>
  5 |         <option name="CONTINUATION_INDENT_SIZE" value="4" />
  6 |       </indentOptions>
  7 |       <arrangement>
  8 |         <rules>
  9 |           <section>
 10 |             <rule>
 11 |               <match>
 12 |                 <AND>
 13 |                   <NAME>xmlns:android</NAME>
 14 |                   <XML_ATTRIBUTE />
 15 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 16 |                 </AND>
 17 |               </match>
 18 |             </rule>
 19 |           </section>
 20 |           <section>
 21 |             <rule>
 22 |               <match>
 23 |                 <AND>
 24 |                   <NAME>xmlns:.*</NAME>
 25 |                   <XML_ATTRIBUTE />
 26 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 27 |                 </AND>
 28 |               </match>
 29 |               <order>BY_NAME</order>
 30 |             </rule>
 31 |           </section>
 32 |           <section>
 33 |             <rule>
 34 |               <match>
 35 |                 <AND>
 36 |                   <NAME>.*:id</NAME>
 37 |                   <XML_ATTRIBUTE />
 38 |                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
 39 |                 </AND>
 40 |               </match>
 41 |             </rule>
 42 |           </section>
 43 |           <section>
 44 |             <rule>
 45 |               <match>
 46 |                 <AND>
 47 |                   <NAME>.*:name</NAME>
 48 |                   <XML_ATTRIBUTE />
 49 |                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
 50 |                 </AND>
 51 |               </match>
 52 |             </rule>
 53 |           </section>
 54 |           <section>
 55 |             <rule>
 56 |               <match>
 57 |                 <AND>
 58 |                   <NAME>name</NAME>
 59 |                   <XML_ATTRIBUTE />
 60 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 61 |                 </AND>
 62 |               </match>
 63 |             </rule>
 64 |           </section>
 65 |           <section>
 66 |             <rule>
 67 |               <match>
 68 |                 <AND>
 69 |                   <NAME>style</NAME>
 70 |                   <XML_ATTRIBUTE />
 71 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 72 |                 </AND>
 73 |               </match>
 74 |             </rule>
 75 |           </section>
 76 |           <section>
 77 |             <rule>
 78 |               <match>
 79 |                 <AND>
 80 |                   <NAME>.*</NAME>
 81 |                   <XML_ATTRIBUTE />
 82 |                   <XML_NAMESPACE>^$</XML_NAMESPACE>
 83 |                 </AND>
 84 |               </match>
 85 |               <order>BY_NAME</order>
 86 |             </rule>
 87 |           </section>
 88 |           <section>
 89 |             <rule>
 90 |               <match>
 91 |                 <AND>
 92 |                   <NAME>.*</NAME>
 93 |                   <XML_ATTRIBUTE />
 94 |                   <XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
 95 |                 </AND>
 96 |               </match>
 97 |               <order>ANDROID_ATTRIBUTE_ORDER</order>
 98 |             </rule>
 99 |           </section>
100 |           <section>
101 |             <rule>
102 |               <match>
103 |                 <AND>
104 |                   <NAME>.*</NAME>
105 |                   <XML_ATTRIBUTE />
106 |                   <XML_NAMESPACE>.*</XML_NAMESPACE>
107 |                 </AND>
108 |               </match>
109 |               <order>BY_NAME</order>
110 |             </rule>
111 |           </section>
112 |         </rules>
113 |       </arrangement>
114 |     </codeStyleSettings>
115 |   </code_scheme>
116 | </component>


--------------------------------------------------------------------------------
/android/.idea/gradle.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="GradleSettings">
 4 |     <option name="linkedExternalProjectsSettings">
 5 |       <GradleProjectSettings>
 6 |         <compositeConfiguration>
 7 |           <compositeBuild compositeDefinitionSource="SCRIPT" />
 8 |         </compositeConfiguration>
 9 |         <option name="distributionType" value="DEFAULT_WRAPPED" />
10 |         <option name="externalProjectPath" value="$PROJECT_DIR$" />
11 |         <option name="resolveModulePerSourceSet" value="false" />
12 |         <option name="testRunner" value="PLATFORM" />
13 |       </GradleProjectSettings>
14 |     </option>
15 |   </component>
16 | </project>


--------------------------------------------------------------------------------
/android/.idea/misc.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
4 |     <output url="file://$PROJECT_DIR$/build/classes" />
5 |   </component>
6 |   <component name="ProjectType">
7 |     <option name="id" value="Android" />
8 |   </component>
9 | </project>


--------------------------------------------------------------------------------
/android/.idea/modules.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="ProjectModuleManager">
4 |     <modules>
5 |       <module fileurl="file://$PROJECT_DIR$/flutter_custom_dropdown.iml" filepath="$PROJECT_DIR$/flutter_custom_dropdown.iml" />
6 |     </modules>
7 |   </component>
8 | </project>


--------------------------------------------------------------------------------
/android/.idea/runConfigurations.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project version="4">
 3 |   <component name="RunConfigurationProducerService">
 4 |     <option name="ignoredProducers">
 5 |       <set>
 6 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
 7 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
 8 |         <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
 9 |       </set>
10 |     </option>
11 |   </component>
12 | </project>


--------------------------------------------------------------------------------
/android/.idea/vcs.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <project version="4">
3 |   <component name="VcsDirectoryMappings">
4 |     <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
5 |   </component>
6 | </project>


--------------------------------------------------------------------------------
/android/build.gradle:
--------------------------------------------------------------------------------
 1 | group 'com.example.flutter_custom_dropdown'
 2 | version '1.0'
 3 | 
 4 | buildscript {
 5 |     repositories {
 6 |         google()
 7 |         jcenter()
 8 |     }
 9 | 
10 |     dependencies {
11 |         classpath 'com.android.tools.build:gradle:3.5.0'
12 |     }
13 | }
14 | 
15 | rootProject.allprojects {
16 |     repositories {
17 |         google()
18 |         jcenter()
19 |     }
20 | }
21 | 
22 | apply plugin: 'com.android.library'
23 | 
24 | android {
25 |     compileSdkVersion 29
26 | 
27 |     defaultConfig {
28 |         minSdkVersion 16
29 |     }
30 |     lintOptions {
31 |         disable 'InvalidPackage'
32 |     }
33 | }
34 | 


--------------------------------------------------------------------------------
/android/gradle.properties:
--------------------------------------------------------------------------------
1 | org.gradle.jvmargs=-Xmx1536M
2 | android.useAndroidX=true
3 | android.enableJetifier=true
4 | 


--------------------------------------------------------------------------------
/android/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | distributionBase=GRADLE_USER_HOME
2 | distributionPath=wrapper/dists
3 | zipStoreBase=GRADLE_USER_HOME
4 | zipStorePath=wrapper/dists
5 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
6 | 


--------------------------------------------------------------------------------
/android/settings.gradle:
--------------------------------------------------------------------------------
1 | rootProject.name = 'flutter_custom_dropdown'
2 | 


--------------------------------------------------------------------------------
/android/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
1 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
2 |   package="com.example.flutter_custom_dropdown">
3 | </manifest>
4 | 


--------------------------------------------------------------------------------
/android/src/main/java/com/example/flutter_custom_dropdown/FlutterCustomDropdownPlugin.java:
--------------------------------------------------------------------------------
 1 | package com.example.flutter_custom_dropdown;
 2 | 
 3 | import androidx.annotation.NonNull;
 4 | 
 5 | import io.flutter.embedding.engine.plugins.FlutterPlugin;
 6 | import io.flutter.plugin.common.MethodCall;
 7 | import io.flutter.plugin.common.MethodChannel;
 8 | import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
 9 | import io.flutter.plugin.common.MethodChannel.Result;
10 | import io.flutter.plugin.common.PluginRegistry.Registrar;
11 | 
12 | /** FlutterCustomDropdownPlugin */
13 | public class FlutterCustomDropdownPlugin implements FlutterPlugin, MethodCallHandler {
14 |   /// The MethodChannel that will the communication between Flutter and native Android
15 |   ///
16 |   /// This local reference serves to register the plugin with the Flutter Engine and unregister it
17 |   /// when the Flutter Engine is detached from the Activity
18 |   private MethodChannel channel;
19 | 
20 |   @Override
21 |   public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
22 |     channel = new MethodChannel(flutterPluginBinding.getBinaryMessenger(), "flutter_custom_dropdown");
23 |     channel.setMethodCallHandler(this);
24 |   }
25 | 
26 |   @Override
27 |   public void onMethodCall(@NonNull MethodCall call, @NonNull Result result) {
28 |     if (call.method.equals("getPlatformVersion")) {
29 |       result.success("Android " + android.os.Build.VERSION.RELEASE);
30 |     } else {
31 |       result.notImplemented();
32 |     }
33 |   }
34 | 
35 |   @Override
36 |   public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {
37 |     channel.setMethodCallHandler(null);
38 |   }
39 | }
40 | 


--------------------------------------------------------------------------------
/example/.gitignore:
--------------------------------------------------------------------------------
 1 | # Miscellaneous
 2 | *.class
 3 | *.log
 4 | *.pyc
 5 | *.swp
 6 | .DS_Store
 7 | .atom/
 8 | .buildlog/
 9 | .history
10 | .svn/
11 | 
12 | # IntelliJ related
13 | *.iml
14 | *.ipr
15 | *.iws
16 | .idea/
17 | 
18 | # The .vscode folder contains launch configuration and tasks you configure in
19 | # VS Code which you may wish to be included in version control, so this line
20 | # is commented out by default.
21 | #.vscode/
22 | 
23 | # Flutter/Dart/Pub related
24 | **/doc/api/
25 | **/ios/Flutter/.last_build_id
26 | .dart_tool/
27 | .flutter-plugins
28 | .flutter-plugins-dependencies
29 | .packages
30 | .pub-cache/
31 | .pub/
32 | /build/
33 | 
34 | # Web related
35 | lib/generated_plugin_registrant.dart
36 | 
37 | # Symbolication related
38 | app.*.symbols
39 | 
40 | # Obfuscation related
41 | app.*.map.json
42 | 


--------------------------------------------------------------------------------
/example/.metadata:
--------------------------------------------------------------------------------
 1 | # This file tracks properties of this Flutter project.
 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc.
 3 | #
 4 | # This file should be version controlled and should not be manually edited.
 5 | 
 6 | version:
 7 |   revision: d408d302e22179d598f467e11da5dd968dbdc9ec
 8 |   channel: stable
 9 | 
10 | project_type: app
11 | 


--------------------------------------------------------------------------------
/example/README.md:
--------------------------------------------------------------------------------
 1 | # flutter_custom_dropdown_example
 2 | 
 3 | Demonstrates how to use the flutter_custom_dropdown plugin.
 4 | 
 5 | ## Getting Started
 6 | 
 7 | This project is a starting point for a Flutter application.
 8 | 
 9 | A few resources to get you started if this is your first Flutter project:
10 | 
11 | - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)
12 | - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook)
13 | 
14 | For help getting started with Flutter, view our
15 | [online documentation](https://flutter.dev/docs), which offers tutorials,
16 | samples, guidance on mobile development, and a full API reference.
17 | 


--------------------------------------------------------------------------------
/example/android/.gitignore:
--------------------------------------------------------------------------------
 1 | gradle-wrapper.jar
 2 | /.gradle
 3 | /captures/
 4 | /gradlew
 5 | /gradlew.bat
 6 | /local.properties
 7 | GeneratedPluginRegistrant.java
 8 | 
 9 | # Remember to never publicly share your keystore.
10 | # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
11 | key.properties
12 | 


--------------------------------------------------------------------------------
/example/android/app/build.gradle:
--------------------------------------------------------------------------------
 1 | def localProperties = new Properties()
 2 | def localPropertiesFile = rootProject.file('local.properties')
 3 | if (localPropertiesFile.exists()) {
 4 |     localPropertiesFile.withReader('UTF-8') { reader ->
 5 |         localProperties.load(reader)
 6 |     }
 7 | }
 8 | 
 9 | def flutterRoot = localProperties.getProperty('flutter.sdk')
10 | if (flutterRoot == null) {
11 |     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
12 | }
13 | 
14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
15 | if (flutterVersionCode == null) {
16 |     flutterVersionCode = '1'
17 | }
18 | 
19 | def flutterVersionName = localProperties.getProperty('flutter.versionName')
20 | if (flutterVersionName == null) {
21 |     flutterVersionName = '1.0'
22 | }
23 | 
24 | apply plugin: 'com.android.application'
25 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
26 | 
27 | android {
28 |     compileSdkVersion 29
29 | 
30 |     lintOptions {
31 |         disable 'InvalidPackage'
32 |     }
33 | 
34 |     defaultConfig {
35 |         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
36 |         applicationId "com.example.flutter_custom_dropdown_example"
37 |         minSdkVersion 16
38 |         targetSdkVersion 29
39 |         versionCode flutterVersionCode.toInteger()
40 |         versionName flutterVersionName
41 |     }
42 | 
43 |     buildTypes {
44 |         release {
45 |             // TODO: Add your own signing config for the release build.
46 |             // Signing with the debug keys for now, so `flutter run --release` works.
47 |             signingConfig signingConfigs.debug
48 |         }
49 |     }
50 | }
51 | 
52 | flutter {
53 |     source '../..'
54 | }
55 | 


--------------------------------------------------------------------------------
/example/android/app/src/debug/AndroidManifest.xml:
--------------------------------------------------------------------------------
1 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
2 |     package="com.example.flutter_custom_dropdown_example">
3 |     <!-- Flutter needs it to communicate with the running application
4 |          to allow setting breakpoints, to provide hot reload, etc.
5 |     -->
6 |     <uses-permission android:name="android.permission.INTERNET"/>
7 | </manifest>
8 | 


--------------------------------------------------------------------------------
/example/android/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     package="com.example.flutter_custom_dropdown_example">
 3 |     <!-- io.flutter.app.FlutterApplication is an android.app.Application that
 4 |          calls FlutterMain.startInitialization(this); in its onCreate method.
 5 |          In most cases you can leave this as-is, but you if you want to provide
 6 |          additional functionality it is fine to subclass or reimplement
 7 |          FlutterApplication and put your custom class here. -->
 8 |     <application
 9 |         android:name="${applicationName}"
10 |         android:label="flutter_custom_dropdown_example"
11 |         android:icon="@mipmap/ic_launcher">
12 |         <activity
13 |             android:name=".MainActivity"
14 |             android:launchMode="singleTop"
15 |             android:theme="@style/LaunchTheme"
16 |             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
17 |             android:hardwareAccelerated="true"
18 |             android:windowSoftInputMode="adjustResize">
19 |             <!-- Specifies an Android theme to apply to this Activity as soon as
20 |                  the Android process has started. This theme is visible to the user
21 |                  while the Flutter UI initializes. After that, this theme continues
22 |                  to determine the Window background behind the Flutter UI. -->
23 |             <meta-data
24 |               android:name="io.flutter.embedding.android.NormalTheme"
25 |               android:resource="@style/NormalTheme"
26 |               />
27 |             <!-- Displays an Android View that continues showing the launch screen
28 |                  Drawable until Flutter paints its first frame, then this splash
29 |                  screen fades out. A splash screen is useful to avoid any visual
30 |                  gap between the end of Android's launch screen and the painting of
31 |                  Flutter's first frame. -->
32 |             <meta-data
33 |               android:name="io.flutter.embedding.android.SplashScreenDrawable"
34 |               android:resource="@drawable/launch_background"
35 |               />
36 |             <intent-filter>
37 |                 <action android:name="android.intent.action.MAIN"/>
38 |                 <category android:name="android.intent.category.LAUNCHER"/>
39 |             </intent-filter>
40 |         </activity>
41 |         <!-- Don't delete the meta-data below.
42 |              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
43 |         <meta-data
44 |             android:name="flutterEmbedding"
45 |             android:value="2" />
46 |     </application>
47 | </manifest>
48 | 


--------------------------------------------------------------------------------
/example/android/app/src/main/java/com/example/flutter_custom_dropdown_example/MainActivity.java:
--------------------------------------------------------------------------------
1 | package com.example.flutter_custom_dropdown_example;
2 | 
3 | import io.flutter.embedding.android.FlutterActivity;
4 | 
5 | public class MainActivity extends FlutterActivity {
6 | }
7 | 


--------------------------------------------------------------------------------
/example/android/app/src/main/res/drawable/launch_background.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <!-- Modify this file to customize your launch splash screen -->
 3 | <layer-list xmlns:android="http://schemas.android.com/apk/res/android">
 4 |     <item android:drawable="@android:color/white" />
 5 | 
 6 |     <!-- You can insert your own image assets here -->
 7 |     <!-- <item>
 8 |         <bitmap
 9 |             android:gravity="center"
10 |             android:src="@mipmap/launch_image" />
11 |     </item> -->
12 | </layer-list>
13 | 


--------------------------------------------------------------------------------
/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png:
--------------------------------------------------------------------------------
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/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
--------------------------------------------------------------------------------
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--------------------------------------------------------------------------------
/example/android/app/src/main/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 |     <!-- Theme applied to the Android Window while the process is starting -->
 4 |     <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
 5 |         <!-- Show a splash screen on the activity. Automatically removed when
 6 |              Flutter draws its first frame -->
 7 |         <item name="android:windowBackground">@drawable/launch_background</item>
 8 |     </style>
 9 |     <!-- Theme applied to the Android Window as soon as the process has started.
10 |          This theme determines the color of the Android Window while your
11 |          Flutter UI initializes, as well as behind your Flutter UI while its
12 |          running.
13 |          
14 |          This Theme is only used starting with V2 of Flutter's Android embedding. -->
15 |     <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
16 |         <item name="android:windowBackground">@android:color/white</item>
17 |     </style>
18 | </resources>
19 | 


--------------------------------------------------------------------------------
/example/android/app/src/profile/AndroidManifest.xml:
--------------------------------------------------------------------------------
1 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
2 |     package="com.example.flutter_custom_dropdown_example">
3 |     <!-- Flutter needs it to communicate with the running application
4 |          to allow setting breakpoints, to provide hot reload, etc.
5 |     -->
6 |     <uses-permission android:name="android.permission.INTERNET"/>
7 | </manifest>
8 | 


--------------------------------------------------------------------------------
/example/android/build.gradle:
--------------------------------------------------------------------------------
 1 | buildscript {
 2 |     repositories {
 3 |         google()
 4 |         jcenter()
 5 |     }
 6 | 
 7 |     dependencies {
 8 |         classpath 'com.android.tools.build:gradle:3.5.0'
 9 |     }
10 | }
11 | 
12 | allprojects {
13 |     repositories {
14 |         google()
15 |         jcenter()
16 |     }
17 | }
18 | 
19 | rootProject.buildDir = '../build'
20 | subprojects {
21 |     project.buildDir = "${rootProject.buildDir}/${project.name}"
22 | }
23 | subprojects {
24 |     project.evaluationDependsOn(':app')
25 | }
26 | 
27 | task clean(type: Delete) {
28 |     delete rootProject.buildDir
29 | }
30 | 


--------------------------------------------------------------------------------
/example/android/gradle.properties:
--------------------------------------------------------------------------------
1 | org.gradle.jvmargs=-Xmx1536M
2 | android.useAndroidX=true
3 | android.enableJetifier=true
4 | android.enableR8=true
5 | 


--------------------------------------------------------------------------------
/example/android/gradle/wrapper/gradle-wrapper.properties:
--------------------------------------------------------------------------------
1 | #Fri Jun 23 08:50:38 CEST 2017
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
7 | 


--------------------------------------------------------------------------------
/example/android/settings.gradle:
--------------------------------------------------------------------------------
 1 | include ':app'
 2 | 
 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
 4 | def properties = new Properties()
 5 | 
 6 | assert localPropertiesFile.exists()
 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
 8 | 
 9 | def flutterSdkPath = properties.getProperty("flutter.sdk")
10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"
12 | 


--------------------------------------------------------------------------------
/example/ios/.gitignore:
--------------------------------------------------------------------------------
 1 | *.mode1v3
 2 | *.mode2v3
 3 | *.moved-aside
 4 | *.pbxuser
 5 | *.perspectivev3
 6 | **/*sync/
 7 | .sconsign.dblite
 8 | .tags*
 9 | **/.vagrant/
10 | **/DerivedData/
11 | Icon?
12 | **/Pods/
13 | **/.symlinks/
14 | profile
15 | xcuserdata
16 | **/.generated/
17 | Flutter/App.framework
18 | Flutter/Flutter.framework
19 | Flutter/Flutter.podspec
20 | Flutter/Generated.xcconfig
21 | Flutter/app.flx
22 | Flutter/app.zip
23 | Flutter/flutter_assets/
24 | Flutter/flutter_export_environment.sh
25 | ServiceDefinitions.json
26 | Runner/GeneratedPluginRegistrant.*
27 | 
28 | # Exceptions to above rules.
29 | !default.mode1v3
30 | !default.mode2v3
31 | !default.pbxuser
32 | !default.perspectivev3
33 | 


--------------------------------------------------------------------------------
/example/ios/Flutter/AppFrameworkInfo.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 |   <key>CFBundleDevelopmentRegion</key>
 6 |   <string>$(DEVELOPMENT_LANGUAGE)</string>
 7 |   <key>CFBundleExecutable</key>
 8 |   <string>App</string>
 9 |   <key>CFBundleIdentifier</key>
10 |   <string>io.flutter.flutter.app</string>
11 |   <key>CFBundleInfoDictionaryVersion</key>
12 |   <string>6.0</string>
13 |   <key>CFBundleName</key>
14 |   <string>App</string>
15 |   <key>CFBundlePackageType</key>
16 |   <string>FMWK</string>
17 |   <key>CFBundleShortVersionString</key>
18 |   <string>1.0</string>
19 |   <key>CFBundleSignature</key>
20 |   <string>????</string>
21 |   <key>CFBundleVersion</key>
22 |   <string>1.0</string>
23 |   <key>MinimumOSVersion</key>
24 |   <string>9.0</string>
25 | </dict>
26 | </plist>
27 | 


--------------------------------------------------------------------------------
/example/ios/Flutter/Debug.xcconfig:
--------------------------------------------------------------------------------
1 | #include "Generated.xcconfig"
2 | 


--------------------------------------------------------------------------------
/example/ios/Flutter/Release.xcconfig:
--------------------------------------------------------------------------------
1 | #include "Generated.xcconfig"
2 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcodeproj/project.pbxproj:
--------------------------------------------------------------------------------
  1 | // !$*UTF8*$!
  2 | {
  3 | 	archiveVersion = 1;
  4 | 	classes = {
  5 | 	};
  6 | 	objectVersion = 46;
  7 | 	objects = {
  8 | 
  9 | /* Begin PBXBuildFile section */
 10 | 		1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
 11 | 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
 12 | 		978B8F6F1D3862AE00F588F7 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = 7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */; };
 13 | 		97C146F31CF9000F007C117D /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 97C146F21CF9000F007C117D /* main.m */; };
 14 | 		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
 15 | 		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
 16 | 		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
 17 | /* End PBXBuildFile section */
 18 | 
 19 | /* Begin PBXCopyFilesBuildPhase section */
 20 | 		9705A1C41CF9048500538489 /* Embed Frameworks */ = {
 21 | 			isa = PBXCopyFilesBuildPhase;
 22 | 			buildActionMask = 2147483647;
 23 | 			dstPath = "";
 24 | 			dstSubfolderSpec = 10;
 25 | 			files = (
 26 | 			);
 27 | 			name = "Embed Frameworks";
 28 | 			runOnlyForDeploymentPostprocessing = 0;
 29 | 		};
 30 | /* End PBXCopyFilesBuildPhase section */
 31 | 
 32 | /* Begin PBXFileReference section */
 33 | 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 34 | 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
 35 | 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
 36 | 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
 37 | 		7AFFD8ED1D35381100E5BB4D /* AppDelegate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
 38 | 		7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
 39 | 		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
 40 | 		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
 41 | 		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
 42 | 		97C146F21CF9000F007C117D /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
 43 | 		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 44 | 		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 45 | 		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 46 | 		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 47 | /* End PBXFileReference section */
 48 | 
 49 | /* Begin PBXFrameworksBuildPhase section */
 50 | 		97C146EB1CF9000F007C117D /* Frameworks */ = {
 51 | 			isa = PBXFrameworksBuildPhase;
 52 | 			buildActionMask = 2147483647;
 53 | 			files = (
 54 | 			);
 55 | 			runOnlyForDeploymentPostprocessing = 0;
 56 | 		};
 57 | /* End PBXFrameworksBuildPhase section */
 58 | 
 59 | /* Begin PBXGroup section */
 60 | 		9740EEB11CF90186004384FC /* Flutter */ = {
 61 | 			isa = PBXGroup;
 62 | 			children = (
 63 | 				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
 64 | 				9740EEB21CF90195004384FC /* Debug.xcconfig */,
 65 | 				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
 66 | 				9740EEB31CF90195004384FC /* Generated.xcconfig */,
 67 | 			);
 68 | 			name = Flutter;
 69 | 			sourceTree = "<group>";
 70 | 		};
 71 | 		97C146E51CF9000F007C117D = {
 72 | 			isa = PBXGroup;
 73 | 			children = (
 74 | 				9740EEB11CF90186004384FC /* Flutter */,
 75 | 				97C146F01CF9000F007C117D /* Runner */,
 76 | 				97C146EF1CF9000F007C117D /* Products */,
 77 | 				CF3B75C9A7D2FA2A4C99F110 /* Frameworks */,
 78 | 			);
 79 | 			sourceTree = "<group>";
 80 | 		};
 81 | 		97C146EF1CF9000F007C117D /* Products */ = {
 82 | 			isa = PBXGroup;
 83 | 			children = (
 84 | 				97C146EE1CF9000F007C117D /* Runner.app */,
 85 | 			);
 86 | 			name = Products;
 87 | 			sourceTree = "<group>";
 88 | 		};
 89 | 		97C146F01CF9000F007C117D /* Runner */ = {
 90 | 			isa = PBXGroup;
 91 | 			children = (
 92 | 				7AFFD8ED1D35381100E5BB4D /* AppDelegate.h */,
 93 | 				7AFFD8EE1D35381100E5BB4D /* AppDelegate.m */,
 94 | 				97C146FA1CF9000F007C117D /* Main.storyboard */,
 95 | 				97C146FD1CF9000F007C117D /* Assets.xcassets */,
 96 | 				97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */,
 97 | 				97C147021CF9000F007C117D /* Info.plist */,
 98 | 				97C146F11CF9000F007C117D /* Supporting Files */,
 99 | 				1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */,
100 | 				1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */,
101 | 			);
102 | 			path = Runner;
103 | 			sourceTree = "<group>";
104 | 		};
105 | 		97C146F11CF9000F007C117D /* Supporting Files */ = {
106 | 			isa = PBXGroup;
107 | 			children = (
108 | 				97C146F21CF9000F007C117D /* main.m */,
109 | 			);
110 | 			name = "Supporting Files";
111 | 			sourceTree = "<group>";
112 | 		};
113 | /* End PBXGroup section */
114 | 
115 | /* Begin PBXNativeTarget section */
116 | 		97C146ED1CF9000F007C117D /* Runner */ = {
117 | 			isa = PBXNativeTarget;
118 | 			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
119 | 			buildPhases = (
120 | 				9740EEB61CF901F6004384FC /* Run Script */,
121 | 				97C146EA1CF9000F007C117D /* Sources */,
122 | 				97C146EB1CF9000F007C117D /* Frameworks */,
123 | 				97C146EC1CF9000F007C117D /* Resources */,
124 | 				9705A1C41CF9048500538489 /* Embed Frameworks */,
125 | 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
126 | 			);
127 | 			buildRules = (
128 | 			);
129 | 			dependencies = (
130 | 			);
131 | 			name = Runner;
132 | 			productName = Runner;
133 | 			productReference = 97C146EE1CF9000F007C117D /* Runner.app */;
134 | 			productType = "com.apple.product-type.application";
135 | 		};
136 | /* End PBXNativeTarget section */
137 | 
138 | /* Begin PBXProject section */
139 | 		97C146E61CF9000F007C117D /* Project object */ = {
140 | 			isa = PBXProject;
141 | 			attributes = {
142 | 				LastUpgradeCheck = 1020;
143 | 				ORGANIZATIONNAME = "";
144 | 				TargetAttributes = {
145 | 					97C146ED1CF9000F007C117D = {
146 | 						CreatedOnToolsVersion = 7.3.1;
147 | 					};
148 | 				};
149 | 			};
150 | 			buildConfigurationList = 97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */;
151 | 			compatibilityVersion = "Xcode 9.3";
152 | 			developmentRegion = en;
153 | 			hasScannedForEncodings = 0;
154 | 			knownRegions = (
155 | 				en,
156 | 				Base,
157 | 			);
158 | 			mainGroup = 97C146E51CF9000F007C117D;
159 | 			productRefGroup = 97C146EF1CF9000F007C117D /* Products */;
160 | 			projectDirPath = "";
161 | 			projectRoot = "";
162 | 			targets = (
163 | 				97C146ED1CF9000F007C117D /* Runner */,
164 | 			);
165 | 		};
166 | /* End PBXProject section */
167 | 
168 | /* Begin PBXResourcesBuildPhase section */
169 | 		97C146EC1CF9000F007C117D /* Resources */ = {
170 | 			isa = PBXResourcesBuildPhase;
171 | 			buildActionMask = 2147483647;
172 | 			files = (
173 | 				97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */,
174 | 				3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */,
175 | 				97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */,
176 | 				97C146FC1CF9000F007C117D /* Main.storyboard in Resources */,
177 | 			);
178 | 			runOnlyForDeploymentPostprocessing = 0;
179 | 		};
180 | /* End PBXResourcesBuildPhase section */
181 | 
182 | /* Begin PBXShellScriptBuildPhase section */
183 | 		3B06AD1E1E4923F5004D2608 /* Thin Binary */ = {
184 | 			isa = PBXShellScriptBuildPhase;
185 | 			buildActionMask = 2147483647;
186 | 			files = (
187 | 			);
188 | 			inputPaths = (
189 | 			);
190 | 			name = "Thin Binary";
191 | 			outputPaths = (
192 | 			);
193 | 			runOnlyForDeploymentPostprocessing = 0;
194 | 			shellPath = /bin/sh;
195 | 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
196 | 		};
197 | 		9740EEB61CF901F6004384FC /* Run Script */ = {
198 | 			isa = PBXShellScriptBuildPhase;
199 | 			buildActionMask = 2147483647;
200 | 			files = (
201 | 			);
202 | 			inputPaths = (
203 | 			);
204 | 			name = "Run Script";
205 | 			outputPaths = (
206 | 			);
207 | 			runOnlyForDeploymentPostprocessing = 0;
208 | 			shellPath = /bin/sh;
209 | 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
210 | 		};
211 | /* End PBXShellScriptBuildPhase section */
212 | 
213 | /* Begin PBXSourcesBuildPhase section */
214 | 		97C146EA1CF9000F007C117D /* Sources */ = {
215 | 			isa = PBXSourcesBuildPhase;
216 | 			buildActionMask = 2147483647;
217 | 			files = (
218 | 				978B8F6F1D3862AE00F588F7 /* AppDelegate.m in Sources */,
219 | 				97C146F31CF9000F007C117D /* main.m in Sources */,
220 | 				1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */,
221 | 			);
222 | 			runOnlyForDeploymentPostprocessing = 0;
223 | 		};
224 | /* End PBXSourcesBuildPhase section */
225 | 
226 | /* Begin PBXVariantGroup section */
227 | 		97C146FA1CF9000F007C117D /* Main.storyboard */ = {
228 | 			isa = PBXVariantGroup;
229 | 			children = (
230 | 				97C146FB1CF9000F007C117D /* Base */,
231 | 			);
232 | 			name = Main.storyboard;
233 | 			sourceTree = "<group>";
234 | 		};
235 | 		97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */ = {
236 | 			isa = PBXVariantGroup;
237 | 			children = (
238 | 				97C147001CF9000F007C117D /* Base */,
239 | 			);
240 | 			name = LaunchScreen.storyboard;
241 | 			sourceTree = "<group>";
242 | 		};
243 | /* End PBXVariantGroup section */
244 | 
245 | /* Begin XCBuildConfiguration section */
246 | 		249021D3217E4FDB00AE95B9 /* Profile */ = {
247 | 			isa = XCBuildConfiguration;
248 | 			buildSettings = {
249 | 				ALWAYS_SEARCH_USER_PATHS = NO;
250 | 				CLANG_ANALYZER_NONNULL = YES;
251 | 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
252 | 				CLANG_CXX_LIBRARY = "libc++";
253 | 				CLANG_ENABLE_MODULES = YES;
254 | 				CLANG_ENABLE_OBJC_ARC = YES;
255 | 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
256 | 				CLANG_WARN_BOOL_CONVERSION = YES;
257 | 				CLANG_WARN_COMMA = YES;
258 | 				CLANG_WARN_CONSTANT_CONVERSION = YES;
259 | 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
260 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
261 | 				CLANG_WARN_EMPTY_BODY = YES;
262 | 				CLANG_WARN_ENUM_CONVERSION = YES;
263 | 				CLANG_WARN_INFINITE_RECURSION = YES;
264 | 				CLANG_WARN_INT_CONVERSION = YES;
265 | 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
266 | 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
267 | 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
268 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
269 | 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
270 | 				CLANG_WARN_STRICT_PROTOTYPES = YES;
271 | 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
272 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
273 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
274 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
275 | 				COPY_PHASE_STRIP = NO;
276 | 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
277 | 				ENABLE_NS_ASSERTIONS = NO;
278 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
279 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
280 | 				GCC_NO_COMMON_BLOCKS = YES;
281 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
282 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
283 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
284 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
285 | 				GCC_WARN_UNUSED_FUNCTION = YES;
286 | 				GCC_WARN_UNUSED_VARIABLE = YES;
287 | 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
288 | 				MTL_ENABLE_DEBUG_INFO = NO;
289 | 				SDKROOT = iphoneos;
290 | 				SUPPORTED_PLATFORMS = iphoneos;
291 | 				TARGETED_DEVICE_FAMILY = "1,2";
292 | 				VALIDATE_PRODUCT = YES;
293 | 			};
294 | 			name = Profile;
295 | 		};
296 | 		249021D4217E4FDB00AE95B9 /* Profile */ = {
297 | 			isa = XCBuildConfiguration;
298 | 			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
299 | 			buildSettings = {
300 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
301 | 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
302 | 				ENABLE_BITCODE = NO;
303 | 				FRAMEWORK_SEARCH_PATHS = (
304 | 					"$(inherited)",
305 | 					"$(PROJECT_DIR)/Flutter",
306 | 				);
307 | 				INFOPLIST_FILE = Runner/Info.plist;
308 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
309 | 				LIBRARY_SEARCH_PATHS = (
310 | 					"$(inherited)",
311 | 					"$(PROJECT_DIR)/Flutter",
312 | 				);
313 | 				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterCustomDropdownExample;
314 | 				PRODUCT_NAME = "$(TARGET_NAME)";
315 | 				VERSIONING_SYSTEM = "apple-generic";
316 | 			};
317 | 			name = Profile;
318 | 		};
319 | 		97C147031CF9000F007C117D /* Debug */ = {
320 | 			isa = XCBuildConfiguration;
321 | 			buildSettings = {
322 | 				ALWAYS_SEARCH_USER_PATHS = NO;
323 | 				CLANG_ANALYZER_NONNULL = YES;
324 | 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
325 | 				CLANG_CXX_LIBRARY = "libc++";
326 | 				CLANG_ENABLE_MODULES = YES;
327 | 				CLANG_ENABLE_OBJC_ARC = YES;
328 | 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
329 | 				CLANG_WARN_BOOL_CONVERSION = YES;
330 | 				CLANG_WARN_COMMA = YES;
331 | 				CLANG_WARN_CONSTANT_CONVERSION = YES;
332 | 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
333 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
334 | 				CLANG_WARN_EMPTY_BODY = YES;
335 | 				CLANG_WARN_ENUM_CONVERSION = YES;
336 | 				CLANG_WARN_INFINITE_RECURSION = YES;
337 | 				CLANG_WARN_INT_CONVERSION = YES;
338 | 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
339 | 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
340 | 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
341 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
342 | 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
343 | 				CLANG_WARN_STRICT_PROTOTYPES = YES;
344 | 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
345 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
346 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
347 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
348 | 				COPY_PHASE_STRIP = NO;
349 | 				DEBUG_INFORMATION_FORMAT = dwarf;
350 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
351 | 				ENABLE_TESTABILITY = YES;
352 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
353 | 				GCC_DYNAMIC_NO_PIC = NO;
354 | 				GCC_NO_COMMON_BLOCKS = YES;
355 | 				GCC_OPTIMIZATION_LEVEL = 0;
356 | 				GCC_PREPROCESSOR_DEFINITIONS = (
357 | 					"DEBUG=1",
358 | 					"$(inherited)",
359 | 				);
360 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
361 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
362 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
363 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
364 | 				GCC_WARN_UNUSED_FUNCTION = YES;
365 | 				GCC_WARN_UNUSED_VARIABLE = YES;
366 | 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
367 | 				MTL_ENABLE_DEBUG_INFO = YES;
368 | 				ONLY_ACTIVE_ARCH = YES;
369 | 				SDKROOT = iphoneos;
370 | 				TARGETED_DEVICE_FAMILY = "1,2";
371 | 			};
372 | 			name = Debug;
373 | 		};
374 | 		97C147041CF9000F007C117D /* Release */ = {
375 | 			isa = XCBuildConfiguration;
376 | 			buildSettings = {
377 | 				ALWAYS_SEARCH_USER_PATHS = NO;
378 | 				CLANG_ANALYZER_NONNULL = YES;
379 | 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
380 | 				CLANG_CXX_LIBRARY = "libc++";
381 | 				CLANG_ENABLE_MODULES = YES;
382 | 				CLANG_ENABLE_OBJC_ARC = YES;
383 | 				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
384 | 				CLANG_WARN_BOOL_CONVERSION = YES;
385 | 				CLANG_WARN_COMMA = YES;
386 | 				CLANG_WARN_CONSTANT_CONVERSION = YES;
387 | 				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
388 | 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
389 | 				CLANG_WARN_EMPTY_BODY = YES;
390 | 				CLANG_WARN_ENUM_CONVERSION = YES;
391 | 				CLANG_WARN_INFINITE_RECURSION = YES;
392 | 				CLANG_WARN_INT_CONVERSION = YES;
393 | 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
394 | 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
395 | 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
396 | 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
397 | 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
398 | 				CLANG_WARN_STRICT_PROTOTYPES = YES;
399 | 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
400 | 				CLANG_WARN_UNREACHABLE_CODE = YES;
401 | 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
402 | 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
403 | 				COPY_PHASE_STRIP = NO;
404 | 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
405 | 				ENABLE_NS_ASSERTIONS = NO;
406 | 				ENABLE_STRICT_OBJC_MSGSEND = YES;
407 | 				GCC_C_LANGUAGE_STANDARD = gnu99;
408 | 				GCC_NO_COMMON_BLOCKS = YES;
409 | 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
410 | 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
411 | 				GCC_WARN_UNDECLARED_SELECTOR = YES;
412 | 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
413 | 				GCC_WARN_UNUSED_FUNCTION = YES;
414 | 				GCC_WARN_UNUSED_VARIABLE = YES;
415 | 				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
416 | 				MTL_ENABLE_DEBUG_INFO = NO;
417 | 				SDKROOT = iphoneos;
418 | 				SUPPORTED_PLATFORMS = iphoneos;
419 | 				TARGETED_DEVICE_FAMILY = "1,2";
420 | 				VALIDATE_PRODUCT = YES;
421 | 			};
422 | 			name = Release;
423 | 		};
424 | 		97C147061CF9000F007C117D /* Debug */ = {
425 | 			isa = XCBuildConfiguration;
426 | 			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
427 | 			buildSettings = {
428 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
429 | 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
430 | 				ENABLE_BITCODE = NO;
431 | 				FRAMEWORK_SEARCH_PATHS = (
432 | 					"$(inherited)",
433 | 					"$(PROJECT_DIR)/Flutter",
434 | 				);
435 | 				INFOPLIST_FILE = Runner/Info.plist;
436 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
437 | 				LIBRARY_SEARCH_PATHS = (
438 | 					"$(inherited)",
439 | 					"$(PROJECT_DIR)/Flutter",
440 | 				);
441 | 				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterCustomDropdownExample;
442 | 				PRODUCT_NAME = "$(TARGET_NAME)";
443 | 				VERSIONING_SYSTEM = "apple-generic";
444 | 			};
445 | 			name = Debug;
446 | 		};
447 | 		97C147071CF9000F007C117D /* Release */ = {
448 | 			isa = XCBuildConfiguration;
449 | 			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
450 | 			buildSettings = {
451 | 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
452 | 				CURRENT_PROJECT_VERSION = "$(FLUTTER_BUILD_NUMBER)";
453 | 				ENABLE_BITCODE = NO;
454 | 				FRAMEWORK_SEARCH_PATHS = (
455 | 					"$(inherited)",
456 | 					"$(PROJECT_DIR)/Flutter",
457 | 				);
458 | 				INFOPLIST_FILE = Runner/Info.plist;
459 | 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
460 | 				LIBRARY_SEARCH_PATHS = (
461 | 					"$(inherited)",
462 | 					"$(PROJECT_DIR)/Flutter",
463 | 				);
464 | 				PRODUCT_BUNDLE_IDENTIFIER = com.example.flutterCustomDropdownExample;
465 | 				PRODUCT_NAME = "$(TARGET_NAME)";
466 | 				VERSIONING_SYSTEM = "apple-generic";
467 | 			};
468 | 			name = Release;
469 | 		};
470 | /* End XCBuildConfiguration section */
471 | 
472 | /* Begin XCConfigurationList section */
473 | 		97C146E91CF9000F007C117D /* Build configuration list for PBXProject "Runner" */ = {
474 | 			isa = XCConfigurationList;
475 | 			buildConfigurations = (
476 | 				97C147031CF9000F007C117D /* Debug */,
477 | 				97C147041CF9000F007C117D /* Release */,
478 | 				249021D3217E4FDB00AE95B9 /* Profile */,
479 | 			);
480 | 			defaultConfigurationIsVisible = 0;
481 | 			defaultConfigurationName = Release;
482 | 		};
483 | 		97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */ = {
484 | 			isa = XCConfigurationList;
485 | 			buildConfigurations = (
486 | 				97C147061CF9000F007C117D /* Debug */,
487 | 				97C147071CF9000F007C117D /* Release */,
488 | 				249021D4217E4FDB00AE95B9 /* Profile */,
489 | 			);
490 | 			defaultConfigurationIsVisible = 0;
491 | 			defaultConfigurationName = Release;
492 | 		};
493 | /* End XCConfigurationList section */
494 | 	};
495 | 	rootObject = 97C146E61CF9000F007C117D /* Project object */;
496 | }
497 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "group:Runner.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>PreviewsEnabled</key>
6 | 	<false/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <Scheme
 3 |    LastUpgradeVersion = "1020"
 4 |    version = "1.3">
 5 |    <BuildAction
 6 |       parallelizeBuildables = "YES"
 7 |       buildImplicitDependencies = "YES">
 8 |       <BuildActionEntries>
 9 |          <BuildActionEntry
10 |             buildForTesting = "YES"
11 |             buildForRunning = "YES"
12 |             buildForProfiling = "YES"
13 |             buildForArchiving = "YES"
14 |             buildForAnalyzing = "YES">
15 |             <BuildableReference
16 |                BuildableIdentifier = "primary"
17 |                BlueprintIdentifier = "97C146ED1CF9000F007C117D"
18 |                BuildableName = "Runner.app"
19 |                BlueprintName = "Runner"
20 |                ReferencedContainer = "container:Runner.xcodeproj">
21 |             </BuildableReference>
22 |          </BuildActionEntry>
23 |       </BuildActionEntries>
24 |    </BuildAction>
25 |    <TestAction
26 |       buildConfiguration = "Debug"
27 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
28 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
29 |       shouldUseLaunchSchemeArgsEnv = "YES">
30 |       <Testables>
31 |       </Testables>
32 |       <MacroExpansion>
33 |          <BuildableReference
34 |             BuildableIdentifier = "primary"
35 |             BlueprintIdentifier = "97C146ED1CF9000F007C117D"
36 |             BuildableName = "Runner.app"
37 |             BlueprintName = "Runner"
38 |             ReferencedContainer = "container:Runner.xcodeproj">
39 |          </BuildableReference>
40 |       </MacroExpansion>
41 |       <AdditionalOptions>
42 |       </AdditionalOptions>
43 |    </TestAction>
44 |    <LaunchAction
45 |       buildConfiguration = "Debug"
46 |       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
47 |       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
48 |       launchStyle = "0"
49 |       useCustomWorkingDirectory = "NO"
50 |       ignoresPersistentStateOnLaunch = "NO"
51 |       debugDocumentVersioning = "YES"
52 |       debugServiceExtension = "internal"
53 |       allowLocationSimulation = "YES">
54 |       <BuildableProductRunnable
55 |          runnableDebuggingMode = "0">
56 |          <BuildableReference
57 |             BuildableIdentifier = "primary"
58 |             BlueprintIdentifier = "97C146ED1CF9000F007C117D"
59 |             BuildableName = "Runner.app"
60 |             BlueprintName = "Runner"
61 |             ReferencedContainer = "container:Runner.xcodeproj">
62 |          </BuildableReference>
63 |       </BuildableProductRunnable>
64 |       <AdditionalOptions>
65 |       </AdditionalOptions>
66 |    </LaunchAction>
67 |    <ProfileAction
68 |       buildConfiguration = "Profile"
69 |       shouldUseLaunchSchemeArgsEnv = "YES"
70 |       savedToolIdentifier = ""
71 |       useCustomWorkingDirectory = "NO"
72 |       debugDocumentVersioning = "YES">
73 |       <BuildableProductRunnable
74 |          runnableDebuggingMode = "0">
75 |          <BuildableReference
76 |             BuildableIdentifier = "primary"
77 |             BlueprintIdentifier = "97C146ED1CF9000F007C117D"
78 |             BuildableName = "Runner.app"
79 |             BlueprintName = "Runner"
80 |             ReferencedContainer = "container:Runner.xcodeproj">
81 |          </BuildableReference>
82 |       </BuildableProductRunnable>
83 |    </ProfileAction>
84 |    <AnalyzeAction
85 |       buildConfiguration = "Debug">
86 |    </AnalyzeAction>
87 |    <ArchiveAction
88 |       buildConfiguration = "Release"
89 |       revealArchiveInOrganizer = "YES">
90 |    </ArchiveAction>
91 | </Scheme>
92 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcworkspace/contents.xcworkspacedata:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <Workspace
3 |    version = "1.0">
4 |    <FileRef
5 |       location = "group:Runner.xcodeproj">
6 |    </FileRef>
7 | </Workspace>
8 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>IDEDidComputeMac32BitWarning</key>
6 | 	<true/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/example/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
3 | <plist version="1.0">
4 | <dict>
5 | 	<key>PreviewsEnabled</key>
6 | 	<false/>
7 | </dict>
8 | </plist>
9 | 


--------------------------------------------------------------------------------
/example/ios/Runner/AppDelegate.h:
--------------------------------------------------------------------------------
1 | #import <Flutter/Flutter.h>
2 | #import <UIKit/UIKit.h>
3 | 
4 | @interface AppDelegate : FlutterAppDelegate
5 | 
6 | @end
7 | 


--------------------------------------------------------------------------------
/example/ios/Runner/AppDelegate.m:
--------------------------------------------------------------------------------
 1 | #import "AppDelegate.h"
 2 | #import "GeneratedPluginRegistrant.h"
 3 | 
 4 | @implementation AppDelegate
 5 | 
 6 | - (BOOL)application:(UIApplication *)application
 7 |     didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 8 |   [GeneratedPluginRegistrant registerWithRegistry:self];
 9 |   // Override point for customization after application launch.
10 |   return [super application:application didFinishLaunchingWithOptions:launchOptions];
11 | }
12 | 
13 | @end
14 | 


--------------------------------------------------------------------------------
/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json:
--------------------------------------------------------------------------------
  1 | {
  2 |   "images" : [
  3 |     {
  4 |       "size" : "20x20",
  5 |       "idiom" : "iphone",
  6 |       "filename" : "Icon-App-20x20@2x.png",
  7 |       "scale" : "2x"
  8 |     },
  9 |     {
 10 |       "size" : "20x20",
 11 |       "idiom" : "iphone",
 12 |       "filename" : "Icon-App-20x20@3x.png",
 13 |       "scale" : "3x"
 14 |     },
 15 |     {
 16 |       "size" : "29x29",
 17 |       "idiom" : "iphone",
 18 |       "filename" : "Icon-App-29x29@1x.png",
 19 |       "scale" : "1x"
 20 |     },
 21 |     {
 22 |       "size" : "29x29",
 23 |       "idiom" : "iphone",
 24 |       "filename" : "Icon-App-29x29@2x.png",
 25 |       "scale" : "2x"
 26 |     },
 27 |     {
 28 |       "size" : "29x29",
 29 |       "idiom" : "iphone",
 30 |       "filename" : "Icon-App-29x29@3x.png",
 31 |       "scale" : "3x"
 32 |     },
 33 |     {
 34 |       "size" : "40x40",
 35 |       "idiom" : "iphone",
 36 |       "filename" : "Icon-App-40x40@2x.png",
 37 |       "scale" : "2x"
 38 |     },
 39 |     {
 40 |       "size" : "40x40",
 41 |       "idiom" : "iphone",
 42 |       "filename" : "Icon-App-40x40@3x.png",
 43 |       "scale" : "3x"
 44 |     },
 45 |     {
 46 |       "size" : "60x60",
 47 |       "idiom" : "iphone",
 48 |       "filename" : "Icon-App-60x60@2x.png",
 49 |       "scale" : "2x"
 50 |     },
 51 |     {
 52 |       "size" : "60x60",
 53 |       "idiom" : "iphone",
 54 |       "filename" : "Icon-App-60x60@3x.png",
 55 |       "scale" : "3x"
 56 |     },
 57 |     {
 58 |       "size" : "20x20",
 59 |       "idiom" : "ipad",
 60 |       "filename" : "Icon-App-20x20@1x.png",
 61 |       "scale" : "1x"
 62 |     },
 63 |     {
 64 |       "size" : "20x20",
 65 |       "idiom" : "ipad",
 66 |       "filename" : "Icon-App-20x20@2x.png",
 67 |       "scale" : "2x"
 68 |     },
 69 |     {
 70 |       "size" : "29x29",
 71 |       "idiom" : "ipad",
 72 |       "filename" : "Icon-App-29x29@1x.png",
 73 |       "scale" : "1x"
 74 |     },
 75 |     {
 76 |       "size" : "29x29",
 77 |       "idiom" : "ipad",
 78 |       "filename" : "Icon-App-29x29@2x.png",
 79 |       "scale" : "2x"
 80 |     },
 81 |     {
 82 |       "size" : "40x40",
 83 |       "idiom" : "ipad",
 84 |       "filename" : "Icon-App-40x40@1x.png",
 85 |       "scale" : "1x"
 86 |     },
 87 |     {
 88 |       "size" : "40x40",
 89 |       "idiom" : "ipad",
 90 |       "filename" : "Icon-App-40x40@2x.png",
 91 |       "scale" : "2x"
 92 |     },
 93 |     {
 94 |       "size" : "76x76",
 95 |       "idiom" : "ipad",
 96 |       "filename" : "Icon-App-76x76@1x.png",
 97 |       "scale" : "1x"
 98 |     },
 99 |     {
100 |       "size" : "76x76",
101 |       "idiom" : "ipad",
102 |       "filename" : "Icon-App-76x76@2x.png",
103 |       "scale" : "2x"
104 |     },
105 |     {
106 |       "size" : "83.5x83.5",
107 |       "idiom" : "ipad",
108 |       "filename" : "Icon-App-83.5x83.5@2x.png",
109 |       "scale" : "2x"
110 |     },
111 |     {
112 |       "size" : "1024x1024",
113 |       "idiom" : "ios-marketing",
114 |       "filename" : "Icon-App-1024x1024@1x.png",
115 |       "scale" : "1x"
116 |     }
117 |   ],
118 |   "info" : {
119 |     "version" : 1,
120 |     "author" : "xcode"
121 |   }
122 | }
123 | 


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/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json:
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 1 | {
 2 |   "images" : [
 3 |     {
 4 |       "idiom" : "universal",
 5 |       "filename" : "LaunchImage.png",
 6 |       "scale" : "1x"
 7 |     },
 8 |     {
 9 |       "idiom" : "universal",
10 |       "filename" : "LaunchImage@2x.png",
11 |       "scale" : "2x"
12 |     },
13 |     {
14 |       "idiom" : "universal",
15 |       "filename" : "LaunchImage@3x.png",
16 |       "scale" : "3x"
17 |     }
18 |   ],
19 |   "info" : {
20 |     "version" : 1,
21 |     "author" : "xcode"
22 |   }
23 | }
24 | 


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/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md:
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1 | # Launch Screen Assets
2 | 
3 | You can customize the launch screen with your own desired assets by replacing the image files in this directory.
4 | 
5 | You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.


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/example/ios/Runner/Base.lproj/LaunchScreen.storyboard:
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 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
 3 |     <dependencies>
 4 |         <deployment identifier="iOS"/>
 5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--View Controller-->
 9 |         <scene sceneID="EHf-IW-A2E">
10 |             <objects>
11 |                 <viewController id="01J-lp-oVM" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
17 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
18 |                         <subviews>
19 |                             <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
20 |                             </imageView>
21 |                         </subviews>
22 |                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
23 |                         <constraints>
24 |                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
25 |                             <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
26 |                         </constraints>
27 |                     </view>
28 |                 </viewController>
29 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
30 |             </objects>
31 |             <point key="canvasLocation" x="53" y="375"/>
32 |         </scene>
33 |     </scenes>
34 |     <resources>
35 |         <image name="LaunchImage" width="168" height="185"/>
36 |     </resources>
37 | </document>
38 | 


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/example/ios/Runner/Base.lproj/Main.storyboard:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 2 | <document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
 3 |     <dependencies>
 4 |         <deployment identifier="iOS"/>
 5 |         <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
 6 |     </dependencies>
 7 |     <scenes>
 8 |         <!--Flutter View Controller-->
 9 |         <scene sceneID="tne-QT-ifu">
10 |             <objects>
11 |                 <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
12 |                     <layoutGuides>
13 |                         <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
14 |                         <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
15 |                     </layoutGuides>
16 |                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
17 |                         <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
18 |                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
19 |                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
20 |                     </view>
21 |                 </viewController>
22 |                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
23 |             </objects>
24 |         </scene>
25 |     </scenes>
26 | </document>
27 | 


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/example/ios/Runner/Info.plist:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 | <plist version="1.0">
 4 | <dict>
 5 | 	<key>CFBundleDevelopmentRegion</key>
 6 | 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 7 | 	<key>CFBundleExecutable</key>
 8 | 	<string>$(EXECUTABLE_NAME)</string>
 9 | 	<key>CFBundleIdentifier</key>
10 | 	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
11 | 	<key>CFBundleInfoDictionaryVersion</key>
12 | 	<string>6.0</string>
13 | 	<key>CFBundleName</key>
14 | 	<string>flutter_custom_dropdown_example</string>
15 | 	<key>CFBundlePackageType</key>
16 | 	<string>APPL</string>
17 | 	<key>CFBundleShortVersionString</key>
18 | 	<string>$(FLUTTER_BUILD_NAME)</string>
19 | 	<key>CFBundleSignature</key>
20 | 	<string>????</string>
21 | 	<key>CFBundleVersion</key>
22 | 	<string>$(FLUTTER_BUILD_NUMBER)</string>
23 | 	<key>LSRequiresIPhoneOS</key>
24 | 	<true/>
25 | 	<key>UILaunchStoryboardName</key>
26 | 	<string>LaunchScreen</string>
27 | 	<key>UIMainStoryboardFile</key>
28 | 	<string>Main</string>
29 | 	<key>UISupportedInterfaceOrientations</key>
30 | 	<array>
31 | 		<string>UIInterfaceOrientationPortrait</string>
32 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
33 | 		<string>UIInterfaceOrientationLandscapeRight</string>
34 | 	</array>
35 | 	<key>UISupportedInterfaceOrientations~ipad</key>
36 | 	<array>
37 | 		<string>UIInterfaceOrientationPortrait</string>
38 | 		<string>UIInterfaceOrientationPortraitUpsideDown</string>
39 | 		<string>UIInterfaceOrientationLandscapeLeft</string>
40 | 		<string>UIInterfaceOrientationLandscapeRight</string>
41 | 	</array>
42 | 	<key>UIViewControllerBasedStatusBarAppearance</key>
43 | 	<false/>
44 | </dict>
45 | </plist>
46 | 


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/example/ios/Runner/main.m:
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 1 | #import <Flutter/Flutter.h>
 2 | #import <UIKit/UIKit.h>
 3 | #import "AppDelegate.h"
 4 | 
 5 | int main(int argc, char* argv[]) {
 6 |   @autoreleasepool {
 7 |     return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
 8 |   }
 9 | }
10 | 


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/example/lib/config/filter_data.dart:
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 1 | 
 2 | /// TODO : 元数据
 3 | /// TODO : title字段专门给回显值留下的
 4 | /// @param
 5 | /// @return
 6 | /// @author 丁平
 7 | /// created at 2021/1/11 15:38
 8 | ///
 9 | class FilterData{
10 |   static  List<Map<String,dynamic>>  sort = [
11 |     {'key': '-1','value' : '默认' ,'title' : '排序' },
12 |     {'key': '{inputTime} desc','value' : '最新发布','title' : '最新发布'  },
13 |     {'key': '{look} desc','value' : '带看最多','title' : '带看最多'  },
14 |     {'key': '{latestFollow} desc','value' : '最新跟进','title' : '最新跟进'  },
15 |     {'key': '{price} desc','value' : '价格从高到低','title' : '价格从高到低'  },
16 |     {'key': '{price} asc','value' : '价格从低到高' ,'title' : '价格从低到高' },
17 |     {'key': '{area} desc','value' : '面积从高到低','title' : '面积从高到低'  },
18 |     {'key': '{area} asc','value' : '面积从低到高' ,'title' : '面积从低到高' },
19 |   ];
20 |   static List<Map<String,dynamic>>  ranges = [
21 |     {'key': '-1','value' : '不限','title' : '范围' },
22 |     {'key': '0','value' : '共享范围内','title' : '共享范围内' },
23 |     {'key': '1','value' : '共享范围外','title' : '共享范围外' },
24 |   ];
25 |   static List<Map<String,dynamic>>  housingTypes = [
26 |     {'key': '-1','value' : '不限' },
27 |     {'key': '000','value' : '出售' },
28 |     {'key': '1111','value' : '出租' },
29 |   ];
30 |   static List<Map<String,dynamic>>  amount = [
31 |     {'key': '-1','value' : '不限' },
32 |     {'key': '50>','value' : '50万以下' },
33 |     {'key': '80> 50','value' : '50-80万' },
34 |     {'key': '100> 80','value' : '80-8100万' },
35 |     {'key': '150> 100','value' : '100-150万' },
36 |     {'key': '200> 150','value' : '150-200万' },
37 |     {'key': '>200 ','value' : '200万以上' },
38 |   ];
39 | 
40 |   static List<Map<String,Object>> moreListMap = [
41 |     {'key' : '-1','value' : '不限'},
42 |     {'key' : 11725 ,'value' :  '一般'},
43 |     {'key' :  11726,'value' :  '紧迫'},
44 |     {'key' : 11727,'value' :  '非常紧迫'},
45 |   ];
46 | }


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/example/lib/config/index.dart:
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 1 | import 'package:flutter/material.dart';
 2 | 
 3 | final Color _fontColor = const Color(0XFFC0C4CC);
 4 | final double _fontSize = 11;
 5 | final Color _labelBgColor = Colors.white;
 6 | GlobalKey<_LabelWidgetState> childLabelKey = GlobalKey();
 7 | 
 8 | class LabelWidget extends StatefulWidget {
 9 |   final Map tagItem;
10 |   final double? fontSize;
11 |   final Color? fontColor;
12 |   final Widget? child;
13 |   final List<BoxShadow> boxShadow;
14 |   final Color? labelBgColor;
15 |   final bool isBorder;
16 |   final BoxBorder? border;
17 |   final AlignmentGeometry? alignment;
18 |   final EdgeInsetsGeometry? padding;
19 |   final BorderRadiusGeometry? borderRadius;
20 | 
21 |   const LabelWidget({
22 |     Key? key,
23 |     this.tagItem = const {'name': '标签'},
24 |     this.fontSize,
25 |     this.fontColor,
26 |     this.border,
27 |     this.padding,
28 |     this.isBorder = true,
29 |     this.labelBgColor,
30 |     this.child,
31 |     this.borderRadius,
32 |     this.boxShadow = const [],
33 |     this.alignment,
34 |   }) : super(key: key);
35 | 
36 |   @override
37 |   _LabelWidgetState createState() => _LabelWidgetState();
38 | }
39 | 
40 | class _LabelWidgetState extends State<LabelWidget> {
41 |   @override
42 |   Widget build(BuildContext context) {
43 |     return Container(
44 |         padding: widget.padding ?? const EdgeInsets.only(top: .5, bottom: 2.5, left: 4, right: 4),
45 |         alignment: widget.alignment,
46 |         decoration: BoxDecoration(
47 |             color: widget.labelBgColor ?? _labelBgColor,
48 | 
49 |             /// widget.labelBgColor??_labelBgColor,
50 |             borderRadius: widget.borderRadius ?? const BorderRadius.all(Radius.circular(2.0)),
51 | 
52 |             ///widget.borderRadius?? BorderRadius.all( Radius.circular(2.0)),
53 |             border: widget.isBorder ? widget.border ?? Border.all(width: .5, color: const Color(0XFFC0C4CC)) : null,
54 |             boxShadow: widget.boxShadow.length > 0 ? widget.boxShadow : []),
55 |         child: widget.child ??
56 |             Text(
57 |               widget.tagItem['name'].toString(),
58 |               style: TextStyle(color: widget.fontColor ?? _fontColor, fontSize: widget.fontSize ?? _fontSize),
59 |             ));
60 |   }
61 | }
62 | 


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/example/lib/main.dart:
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 1 | import 'package:flutter/material.dart';
 2 | import 'package:flutter_custom_dropdown_example/pages/home_index.dart';
 3 | 
 4 | void main() {
 5 |   runApp(MyApp());
 6 | }
 7 | 
 8 | class MyApp extends StatefulWidget {
 9 |   @override
10 |   _MyAppState createState() => _MyAppState();
11 | }
12 | 
13 | class _MyAppState extends State<MyApp> {
14 | 
15 |   @override
16 |   void initState() {
17 |     super.initState();
18 |   }
19 | 
20 |   // Platform messages are asynchronous, so we initialize in an async method.
21 | 
22 | 
23 |   @override
24 |   Widget build(BuildContext context) {
25 |     return MaterialApp(
26 |       home: Scaffold(
27 |         appBar: AppBar(
28 |           title: const Center(child: Text('复杂下拉插件'),),
29 |         ),
30 |         body: HomeIndex(),
31 |       ),
32 |     );
33 |   }
34 | }
35 | 


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/example/lib/pages/home_index.dart:
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 1 | import 'package:flutter/cupertino.dart';
 2 | import 'package:flutter/material.dart';
 3 | 
 4 | import 'motionless_moving_filter.dart';
 5 | import 'motionless_multiple_filter.dart';
 6 | import 'motionless_screening_filter.dart';
 7 | import 'motionless_scroll_filter.dart';
 8 | 
 9 | class HomeIndex extends StatefulWidget {
10 |   @override
11 |   _HomeIndexState createState() => _HomeIndexState();
12 | }
13 | 
14 | class _HomeIndexState extends State<HomeIndex> with SingleTickerProviderStateMixin {
15 |   late TabController _tabController;
16 | 
17 |   @override
18 |   void initState() {
19 |     // TODO: implement initState
20 |     super.initState();
21 |     _tabController = TabController(length: 4, vsync: this);
22 |     _tabController.addListener(() {
23 |       setState(() {});
24 |     });
25 |   }
26 | 
27 |   // 底部栏切换
28 |   void _onBottomNavigationBarTap(int index) {
29 |     setState(() {
30 |       _tabController.index = index;
31 |     });
32 |   }
33 | 
34 |   @override
35 |   Widget build(BuildContext context) {
36 |     return Scaffold(
37 |       body: TabBarView(
38 |         controller: _tabController,
39 |         children: <Widget>[MotionlessScreeningFilter(), MotionlessMultipleFilter(), MotionlessMovingFilter(), MotionlessScrollFilter()],
40 |       ),
41 |       bottomNavigationBar: BottomNavigationBar(
42 |         currentIndex: _tabController.index,
43 |         type: BottomNavigationBarType.fixed,
44 |         fixedColor: Colors.black,
45 |         onTap: _onBottomNavigationBarTap,
46 |         items: <BottomNavigationBarItem>[
47 |           BottomNavigationBarItem(icon: Icon(Icons.dashboard), label: '普普通通'),
48 |           BottomNavigationBarItem(icon: Icon(Icons.album), label: '多选主动'),
49 |           BottomNavigationBarItem(icon: Icon(Icons.extension), label: '自主赋值'),
50 |           BottomNavigationBarItem(icon: Icon(Icons.style), label: '滚滚动动'),
51 |         ],
52 |       ),
53 |     );
54 |   }
55 | }
56 | 


--------------------------------------------------------------------------------
/example/lib/pages/motionless_moving_filter.dart:
--------------------------------------------------------------------------------
  1 | import 'package:flutter/cupertino.dart';
  2 | import 'package:flutter/material.dart';
  3 | import 'package:flutter_custom_dropdown/flutter_custom_dropdown.dart';
  4 | import 'package:flutter_custom_dropdown_example/config/filter_data.dart';
  5 | import 'package:flutter_custom_dropdown_example/config/index.dart';
  6 | 
  7 | /// 自定义
  8 | /// @param
  9 | /// @return
 10 | /// @author 丁平
 11 | /// created at 2021/1/12 17:04
 12 | ///
 13 | class MotionlessMovingFilter extends StatefulWidget {
 14 |   @override
 15 |   _MotionlessMovingFilterState createState() => _MotionlessMovingFilterState();
 16 | }
 17 | 
 18 | class _MotionlessMovingFilterState extends State<MotionlessMovingFilter> {
 19 |   DropdownMenuController? controller;
 20 |   late GlobalKey _globalKey;
 21 |   late ScrollController scrollController;
 22 |   String? value1;
 23 |   String? value2;
 24 |   String? value3;
 25 | 
 26 |   @override
 27 |   void initState() {
 28 |     // TODO: implement initState
 29 |     super.initState();
 30 |     _globalKey = new GlobalKey();
 31 |     scrollController = new ScrollController();
 32 |   }
 33 | 
 34 |   @override
 35 |   void dispose() {
 36 |     // TODO: implement dispose
 37 |     super.dispose();
 38 |     scrollController.dispose();
 39 |   }
 40 | 
 41 |   void _onTapHead(BuildContext context, int index) {
 42 |     controller = DefaultDropdownMenuController.of(_globalKey.currentContext!);
 43 |     scrollController.animateTo(scrollController.offset, duration: const Duration(milliseconds: 150), curve: Curves.ease).whenComplete(() {
 44 |       controller?.show(index);
 45 |     });
 46 |   }
 47 | 
 48 |   @override
 49 |   Widget build(BuildContext context) {
 50 |     return Container(
 51 |         child: DefaultDropdownMenuController(
 52 |       onSelected: ({int? menuIndex, dynamic data}) {
 53 |         print("int menuIndex, dynamic data = $menuIndex,$data");
 54 |         if (menuIndex == 0) {
 55 |           value1 = '选中下标$menuIndex,\n选中内容$data';
 56 |         }
 57 |         if (menuIndex == 1) {
 58 |           value2 = '选中下标$menuIndex,\n选中内容$data';
 59 |         }
 60 |         if (menuIndex == 2) {
 61 |           value3 = '选中下标$menuIndex,\n选中内容$data';
 62 |           if (data['urgency'] != '-1') {
 63 |             ////自定义赋值这么搞的
 64 |             controller?.assignment({'title': '更多---'}, menuIndex);
 65 |           } else {
 66 |             controller?.assignment({'title': '更多'}, menuIndex);
 67 |           }
 68 |         }
 69 |         setState(() {});
 70 |       },
 71 |       child: Stack(
 72 |         key: _globalKey,
 73 |         children: [
 74 |           Column(
 75 |             children: [
 76 |               Container(
 77 |                   color: Colors.white,
 78 |                   child: buildDropdownHeader(onTap: (index) {
 79 |                     if (index == 1) {
 80 |                       _openAddEntryDialog(context, index);
 81 |                       controller?.show(index);
 82 |                       controller?.hide(); //打开
 83 |                     } else {
 84 |                       _onTapHead(context, index);
 85 |                     }
 86 |                   })),
 87 |               Expanded(
 88 |                   child: CustomScrollView(
 89 |                 controller: scrollController,
 90 |                 slivers: [
 91 |                   SliverFixedExtentList(
 92 |                       delegate: SliverChildBuilderDelegate((BuildContext context, int index) {
 93 |                         return Container(
 94 |                           color: Colors.red,
 95 |                           alignment: Alignment.center,
 96 |                           child: Text("$index"),
 97 |                         );
 98 |                       }, childCount: 20),
 99 |                       itemExtent: 50),
100 |                 ],
101 |               )),
102 |               Container(
103 |                 alignment: Alignment.centerLeft,
104 |                 color: const Color(0XFF00CCA9),
105 |                 child: Text(
106 |                   '交易类型筛选：单选,不提供选中头部回显,在元数据中剔除title字段即可 \n\n范围筛选：单选，不提供选中头部回显，但是提供选中头部颜色更改，使用specialModules属性标注，\n\n排序类型筛选：单选，提供选中内容头部回显不剔除title字段，设置selectIsChangingColor属性',
107 |                   style: TextStyle(color: Colors.white),
108 |                 ),
109 |               )
110 |             ],
111 |           ),
112 |           Padding(padding: const EdgeInsets.only(top: 40), child: buildDropdownMenu(context))
113 |         ],
114 |       ),
115 |     ));
116 |   }
117 | 
118 |   _openAddEntryDialog(context, index) async {
119 |     controller = DefaultDropdownMenuController.of(_globalKey.currentContext!);
120 |     var res = await Navigator.of(context).push(MaterialPageRoute<dynamic>(
121 |         builder: (BuildContext context) {
122 |           return TakeOff();
123 |         },
124 |         fullscreenDialog: true));
125 |     if (res == null || res['urgency'] == '-1') {
126 |       controller?.select({'title': '自定义内容'}, index);
127 |     } else {
128 |       controller?.select({'title': '自定义内容呀'}, index);
129 |     }
130 |   }
131 | 
132 |   DropdownHeader buildDropdownHeader({DropdownMenuHeadTapCallback? onTap}) {
133 |     return DropdownHeader(
134 |       isSideline: false,
135 |       onTap: onTap,
136 |       titles: ['交易类型', '自定义内容', '更多'],
137 |       selectIsChangingColor: true,
138 |       specialModules: [1, 2],
139 | 
140 |       ///特殊模块,选中数据只亮起,不需要更改头部title,下标为1
141 |     );
142 |   }
143 | 
144 |   DropdownMenu buildDropdownMenu(BuildContext context) {
145 |     return new DropdownMenu(menus: [
146 |       DropdownMenuBuilder(
147 |           builder: (BuildContext context) {
148 |             return DropdownListMenu(
149 |               selectedIndex: FilterData.housingTypes[0],
150 |               isOperatingButton: false,
151 |               keyWords: "key",
152 |               data: FilterData.housingTypes,
153 |               valueKey: 'value',
154 |               itemBuilder: buildCheckItem,
155 |             );
156 |           },
157 |           screenHeight: MediaQuery.of(context).size.height,
158 |           draughtHeight: 60 * 2.5,
159 |           bottomSpacingHeight: 168.0),
160 |       DropdownMenuBuilder(
161 |           builder: (BuildContext context) {
162 |             return SizedBox();
163 |           },
164 |           draughtHeight: 0.0),
165 |       DropdownMenuBuilder(
166 |           builder: (BuildContext context) {
167 |             return DropdownMenuCustomize(
168 |               data: [],
169 |               itemBuilder: financialMoreTemplate,
170 |             );
171 |           },
172 |           screenHeight: MediaQuery.of(context).size.height,
173 |           draughtHeight: 60 * 6.66,
174 |           bottomSpacingHeight: 168.0 + 50.0),
175 |     ]);
176 |   }
177 | }
178 | 
179 | Widget financialMoreTemplate(BuildContext context, List<dynamic> data, DropdownMenuController? controller) {
180 |   return _FinancialMoreTemplate(controller);
181 | }
182 | 
183 | class _FinancialMoreTemplate extends StatefulWidget {
184 |   final DropdownMenuController? controller;
185 | 
186 |   const _FinancialMoreTemplate(this.controller);
187 | 
188 |   @override
189 |   __FinancialMoreTemplateState createState() => __FinancialMoreTemplateState();
190 | }
191 | 
192 | class __FinancialMoreTemplateState extends State<_FinancialMoreTemplate> {
193 |   Map<String, Object?> _map = {
194 |     'urgency': null,
195 |   };
196 | 
197 |   @override
198 |   Widget build(BuildContext context) {
199 |     return Scaffold(
200 |       backgroundColor: Colors.white,
201 |       body: Container(
202 |         child: Column(
203 |           children: [
204 |             Expanded(
205 |                 child: ListView(
206 |               padding: const EdgeInsets.all(0.0),
207 |               children: [
208 |                 const SizedBox(
209 |                   height: 12.0,
210 |                 ),
211 |                 Container(
212 |                   margin: const EdgeInsets.symmetric(horizontal: 12.0),
213 |                   child: Column(
214 |                     mainAxisSize: MainAxisSize.min,
215 |                     children: [
216 |                       Container(
217 |                         alignment: Alignment.centerLeft,
218 |                         child: Text(
219 |                           '急迫程度',
220 |                           style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Color(0XFF303133)),
221 |                         ),
222 |                       ),
223 |                       const SizedBox(
224 |                         height: 12.0,
225 |                       ),
226 |                       GridView.count(
227 |                         childAspectRatio: 109 / 34,
228 |                         crossAxisSpacing: 12.0,
229 |                         mainAxisSpacing: 12.0,
230 |                         physics: const NeverScrollableScrollPhysics(),
231 |                         padding: const EdgeInsets.all(0),
232 |                         primary: false,
233 |                         shrinkWrap: true,
234 | 
235 |                         ///添加当前可解决Vertical viewport was given unbounded height.报错
236 |                         crossAxisCount: 3,
237 |                         children: _urgencyList(),
238 |                       ),
239 |                     ],
240 |                   ),
241 |                 ),
242 |                 const SizedBox(
243 |                   height: 34.0,
244 |                 ),
245 |               ],
246 |             )),
247 |             FilterButton(
248 |               fixOnTap: () {
249 |                 assert(widget.controller != null);
250 |                 widget.controller!.select(_map);
251 |               },
252 |               resetOnTap: () {},
253 |             )
254 |           ],
255 |         ),
256 |       ),
257 |     );
258 |   }
259 | 
260 |   List<Widget> _urgencyList() {
261 |     return FilterData.moreListMap.map((item) {
262 |       bool _isSelected = false;
263 |       if (_map['urgency'] != null) {
264 |         _isSelected = _map['urgency'] == item['key'];
265 |       } else {
266 |         _isSelected = item['key'] == '-1';
267 |       }
268 |       return GestureDetector(
269 |         behavior: HitTestBehavior.opaque,
270 |         onTap: () {
271 |           Map<String, Object?> _item = {}..addEntries(_map.entries);
272 |           if (item['key'] == -1) {
273 |             _item['urgency'] = null;
274 |           } else {
275 |             _item['urgency'] = item['key'];
276 |           }
277 |           setState(() {
278 |             _map = {}..addEntries(_item.entries);
279 |           });
280 |         },
281 |         child: LabelWidget(
282 |           isBorder: !_isSelected,
283 |           borderRadius: const BorderRadius.all(Radius.circular(4.0)),
284 |           padding: const EdgeInsets.all(0.0),
285 |           alignment: Alignment.center,
286 |           border: _isSelected ? null : Border.all(width: .5, color: Color(0XFFD9D9D9)),
287 |           fontColor: _isSelected ? Color(0XFF00CCA9) : Color(0XFF909399),
288 |           labelBgColor: _isSelected ? Color(0X2100CCA9) : Colors.white,
289 |           fontSize: 14,
290 |           tagItem: {'name': item['value']},
291 |         ),
292 |       );
293 |     }).toList();
294 |   }
295 | }
296 | 
297 | class TakeOff extends StatefulWidget {
298 |   @override
299 |   _TakeOffState createState() => _TakeOffState();
300 | }
301 | 
302 | class _TakeOffState extends State<TakeOff> {
303 |   Map<String, Object?> _map = {
304 |     'urgency': null,
305 |   };
306 | 
307 |   @override
308 |   Widget build(BuildContext context) {
309 |     return Scaffold(
310 |       backgroundColor: Colors.white,
311 |       body: Container(
312 |         child: Column(
313 |           children: [
314 |             Expanded(
315 |                 child: ListView(
316 |               padding: const EdgeInsets.all(0.0),
317 |               children: [
318 |                 const SizedBox(
319 |                   height: 12.0,
320 |                 ),
321 |                 Container(
322 |                   margin: const EdgeInsets.symmetric(horizontal: 12.0),
323 |                   child: Column(
324 |                     mainAxisSize: MainAxisSize.min,
325 |                     children: [
326 |                       Container(
327 |                         alignment: Alignment.centerLeft,
328 |                         child: Text(
329 |                           '急迫程度',
330 |                           style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Color(0XFF303133)),
331 |                         ),
332 |                       ),
333 |                       const SizedBox(
334 |                         height: 12.0,
335 |                       ),
336 |                       GridView.count(
337 |                         childAspectRatio: 109 / 34,
338 |                         crossAxisSpacing: 12.0,
339 |                         mainAxisSpacing: 12.0,
340 |                         physics: const NeverScrollableScrollPhysics(),
341 |                         padding: const EdgeInsets.all(0),
342 |                         primary: false,
343 |                         shrinkWrap: true,
344 | 
345 |                         ///添加当前可解决Vertical viewport was given unbounded height.报错
346 |                         crossAxisCount: 3,
347 |                         children: _urgencyList(),
348 |                       ),
349 |                     ],
350 |                   ),
351 |                 ),
352 |                 const SizedBox(
353 |                   height: 34.0,
354 |                 ),
355 |               ],
356 |             )),
357 |             FilterButton(
358 |               fixOnTap: () {
359 |                 Navigator.pop(context, _map);
360 |               },
361 |               resetOnTap: () {},
362 |             )
363 |           ],
364 |         ),
365 |       ),
366 |     );
367 |   }
368 | 
369 |   List<Widget> _urgencyList() {
370 |     return FilterData.moreListMap.map((item) {
371 |       bool _isSelected = false;
372 |       if (_map['urgency'] != null) {
373 |         _isSelected = _map['urgency'] == item['key'];
374 |       } else {
375 |         _isSelected = item['key'] == '-1';
376 |       }
377 |       return GestureDetector(
378 |         behavior: HitTestBehavior.opaque,
379 |         onTap: () {
380 |           Map<String, Object?> _item = {}..addEntries(_map.entries);
381 |           if (item['key'] == -1) {
382 |             _item['urgency'] = null;
383 |           } else {
384 |             _item['urgency'] = item['key'];
385 |           }
386 |           setState(() {
387 |             _map = {}..addEntries(_item.entries);
388 |           });
389 |         },
390 |         child: LabelWidget(
391 |           isBorder: !_isSelected,
392 |           borderRadius: const BorderRadius.all(Radius.circular(4.0)),
393 |           padding: const EdgeInsets.all(0.0),
394 |           alignment: Alignment.center,
395 |           border: _isSelected ? null : Border.all(width: .5, color: Color(0XFFD9D9D9)),
396 |           fontColor: _isSelected ? Color(0XFF00CCA9) : Color(0XFF909399),
397 |           labelBgColor: _isSelected ? Color(0X2100CCA9) : Colors.white,
398 |           fontSize: 14,
399 |           tagItem: {'name': item['value']},
400 |         ),
401 |       );
402 |     }).toList();
403 |   }
404 | }
405 | 


--------------------------------------------------------------------------------
/example/lib/pages/motionless_multiple_filter.dart:
--------------------------------------------------------------------------------
  1 | import 'package:flutter/cupertino.dart';
  2 | import 'package:flutter/material.dart';
  3 | import 'package:flutter_custom_dropdown/flutter_custom_dropdown.dart';
  4 | import 'package:flutter_custom_dropdown_example/config/filter_data.dart';
  5 | 
  6 | /// TODO : 多选实例
  7 | /// @param
  8 | /// @return
  9 | /// @author 丁平
 10 | /// created at 2021/1/12 11:06
 11 | ///
 12 | class MotionlessMultipleFilter extends StatefulWidget {
 13 |   @override
 14 |   _MotionlessMultipleFilterState createState() => _MotionlessMultipleFilterState();
 15 | }
 16 | 
 17 | class _MotionlessMultipleFilterState extends State<MotionlessMultipleFilter> {
 18 |   String? value1;
 19 |   String? value2;
 20 |   String? value3;
 21 | 
 22 |   @override
 23 |   Widget build(BuildContext context) {
 24 |     return Container(
 25 |         child: DefaultDropdownMenuController(
 26 |       onSelected: ({int? menuIndex, dynamic data}) {
 27 |         print("int menuIndex, dynamic data = $menuIndex,$data");
 28 |         if (menuIndex == 0) {
 29 |           value1 = '选中下标$menuIndex,\n选中内容$data';
 30 |         }
 31 |         if (menuIndex == 1) {
 32 |           value2 = '选中下标$menuIndex,\n选中内容$data';
 33 |         }
 34 |         if (menuIndex == 2) {
 35 |           value3 = '选中下标$menuIndex,\n选中内容$data';
 36 |         }
 37 |         setState(() {});
 38 |       },
 39 |       child: Stack(
 40 |         children: [
 41 |           Column(
 42 |             children: [
 43 |               Container(color: Colors.white, child: buildDropdownHeader()),
 44 |               Expanded(
 45 |                   child: Center(
 46 |                 child: Column(
 47 |                   mainAxisAlignment: MainAxisAlignment.center,
 48 |                   children: [
 49 |                     Text('交易类型选中 : ${value1 ?? ''}'),
 50 |                     const SizedBox(
 51 |                       height: 10.0,
 52 |                     ),
 53 |                     Text('范围选中 : ${value2 ?? ''}'),
 54 |                     const SizedBox(
 55 |                       height: 10.0,
 56 |                     ),
 57 |                     Text('排序选中 : ${value3 ?? ''}'),
 58 |                   ],
 59 |                 ),
 60 |               )),
 61 |               Container(
 62 |                 alignment: Alignment.centerLeft,
 63 |                 color: const Color(0XFF00CCA9),
 64 |                 child: Text(
 65 |                   '交易价格筛选：多选,自定义输入 \n\n范围筛选：多选，\n\n排序类型筛选：多选,自定义收起',
 66 |                   style: TextStyle(color: Colors.white),
 67 |                 ),
 68 |               )
 69 |             ],
 70 |           ),
 71 |           Padding(padding: const EdgeInsets.only(top: 40), child: buildDropdownMenu(context))
 72 |         ],
 73 |       ),
 74 |     ));
 75 |   }
 76 | 
 77 |   DropdownHeader buildDropdownHeader({DropdownMenuHeadTapCallback? onTap}) {
 78 |     return DropdownHeader(
 79 |       isSideline: false,
 80 |       onTap: onTap,
 81 |       titles: ['交易价格', '范围', '排序'],
 82 |       selectIsChangingColor: true,
 83 |       specialModules: [1],
 84 | 
 85 |       ///特殊模块,选中数据只亮起,不需要更改头部title,下标为1
 86 |     );
 87 |   }
 88 | 
 89 |   DropdownMenu buildDropdownMenu(BuildContext context) {
 90 |     return new DropdownMenu(menus: [
 91 |       DropdownMenuBuilder(
 92 |           builder: (BuildContext context) {
 93 |             return DropdownListMenu(
 94 |               selectedIndex: FilterData.amount[0],
 95 |               isOperatingButton: true,
 96 |               isCustomInput: true,
 97 |               customInput: CustomInputClass(
 98 |                 startHintText: '最低价格(万)',
 99 |                 endHintText: '最高价格(万)',
100 |               ),
101 |               keyWords: "key",
102 |               isMultiple: true,
103 |               data: FilterData.amount,
104 |               valueKey: 'value',
105 |               itemBuilder: buildCheckItem,
106 |             );
107 |           },
108 |           screenHeight: MediaQuery.of(context).size.height,
109 |           draughtHeight: 60 * 7.0,
110 |           bottomSpacingHeight: 168.0),
111 |       DropdownMenuBuilder(
112 |           builder: (BuildContext context) {
113 |             return DropdownListMenu(
114 |               selectedIndex: FilterData.ranges[0],
115 |               isOperatingButton: false,
116 |               isMultiple: true,
117 |               keyWords: "key",
118 |               data: FilterData.ranges,
119 |               itemBuilder: buildCheckItem,
120 |             );
121 |           },
122 |           screenHeight: MediaQuery.of(context).size.height,
123 |           draughtHeight: 60 * 2.5,
124 |           bottomSpacingHeight: 168.0),
125 |       DropdownMenuBuilder(
126 |           builder: (BuildContext context) {
127 |             return DropdownListMenu(
128 |               selectedIndex: FilterData.sort[0],
129 |               isOperatingButton: true,
130 |               keyWords: "key",
131 |               isMultiple: true,
132 |               data: FilterData.sort,
133 |               itemBuilder: buildCheckItem,
134 |             );
135 |           },
136 |           screenHeight: MediaQuery.of(context).size.height,
137 |           draughtHeight: 60 * 6.66,
138 |           bottomSpacingHeight: 168.0 + 50.0),
139 |     ]);
140 |   }
141 | }
142 | 


--------------------------------------------------------------------------------
/example/lib/pages/motionless_screening_filter.dart:
--------------------------------------------------------------------------------
  1 | import 'package:flutter/material.dart';
  2 | import 'package:flutter_custom_dropdown/flutter_custom_dropdown.dart';
  3 | import 'package:flutter_custom_dropdown_example/config/filter_data.dart';
  4 | 
  5 | /// TODO : 单选实例
  6 | /// @param
  7 | /// @return
  8 | /// @author 丁平
  9 | /// created at 2021/1/12 11:06
 10 | ///
 11 | class MotionlessScreeningFilter extends StatefulWidget {
 12 |   @override
 13 |   _MotionlessScreeningFilterState createState() => _MotionlessScreeningFilterState();
 14 | }
 15 | 
 16 | class _MotionlessScreeningFilterState extends State<MotionlessScreeningFilter> {
 17 |   String? value1;
 18 |   String? value2;
 19 |   String? value3;
 20 | 
 21 |   @override
 22 |   Widget build(BuildContext context) {
 23 |     return Container(
 24 |         child: DefaultDropdownMenuController(
 25 |       onSelected: ({int? menuIndex, dynamic data}) {
 26 |         print("int menuIndex, dynamic data = $menuIndex,$data");
 27 |         if (menuIndex == 0) {
 28 |           value1 = '选中下标$menuIndex,\n选中内容$data';
 29 |         }
 30 |         if (menuIndex == 1) {
 31 |           value2 = '选中下标$menuIndex,\n选中内容$data';
 32 |         }
 33 |         if (menuIndex == 2) {
 34 |           value3 = '选中下标$menuIndex,\n选中内容$data';
 35 |         }
 36 |         setState(() {});
 37 |       },
 38 |       child: Stack(
 39 |         children: [
 40 |           Column(
 41 |             children: [
 42 |               Container(color: Colors.white, child: buildDropdownHeader()),
 43 |               Expanded(
 44 |                   child: Center(
 45 |                 child: Column(
 46 |                   mainAxisAlignment: MainAxisAlignment.center,
 47 |                   children: [
 48 |                     Text('交易类型选中 : ${value1 ?? ''}'),
 49 |                     const SizedBox(
 50 |                       height: 10.0,
 51 |                     ),
 52 |                     Text('范围选中 : ${value2 ?? ''}'),
 53 |                     const SizedBox(
 54 |                       height: 10.0,
 55 |                     ),
 56 |                     Text('排序选中 : ${value3 ?? ''}'),
 57 |                   ],
 58 |                 ),
 59 |               )),
 60 |               Container(
 61 |                 alignment: Alignment.centerLeft,
 62 |                 color: const Color(0XFF00CCA9),
 63 |                 child: Text(
 64 |                   '交易类型筛选：单选,不提供选中头部回显,在元数据中剔除title字段即可 \n\n范围筛选：单选，不提供选中头部回显，但是提供选中头部颜色更改，使用specialModules属性标注，\n\n排序类型筛选：单选，提供选中内容头部回显不剔除title字段，设置selectIsChangingColor属性',
 65 |                   style: TextStyle(color: Colors.white),
 66 |                 ),
 67 |               )
 68 |             ],
 69 |           ),
 70 |           Padding(padding: const EdgeInsets.only(top: 40), child: buildDropdownMenu(context))
 71 |         ],
 72 |       ),
 73 |     ));
 74 |   }
 75 | 
 76 |   DropdownHeader buildDropdownHeader({DropdownMenuHeadTapCallback? onTap}) {
 77 |     return DropdownHeader(
 78 |       isSideline: false,
 79 |       onTap: onTap,
 80 |       titles: ['交易类型', '范围', '排序'],
 81 |       selectIsChangingColor: true,
 82 |       specialModules: [1],
 83 | 
 84 |       ///特殊模块,选中数据只亮起,不需要更改头部title,下标为1
 85 |     );
 86 |   }
 87 | 
 88 |   DropdownMenu buildDropdownMenu(BuildContext context) {
 89 |     return new DropdownMenu(menus: [
 90 |       DropdownMenuBuilder(
 91 |           builder: (BuildContext context) {
 92 |             return DropdownListMenu(
 93 |               selectedIndex: FilterData.housingTypes[0],
 94 |               isOperatingButton: false,
 95 |               keyWords: "key",
 96 |               data: FilterData.housingTypes,
 97 |               valueKey: 'value',
 98 |               itemBuilder: buildCheckItem,
 99 |             );
100 |           },
101 |           screenHeight: MediaQuery.of(context).size.height,
102 |           draughtHeight: 60 * 2.5,
103 |           bottomSpacingHeight: 168.0),
104 |       DropdownMenuBuilder(
105 |           builder: (BuildContext context) {
106 |             return DropdownListMenu(
107 |               selectedIndex: FilterData.ranges[0],
108 |               isOperatingButton: false,
109 |               keyWords: "key",
110 |               data: FilterData.ranges,
111 |               itemBuilder: buildCheckItem,
112 |             );
113 |           },
114 |           screenHeight: MediaQuery.of(context).size.height,
115 |           draughtHeight: 60 * 2.5,
116 |           bottomSpacingHeight: 168.0),
117 |       DropdownMenuBuilder(
118 |           builder: (BuildContext context) {
119 |             return DropdownListMenu(
120 |               selectedIndex: FilterData.sort[0],
121 |               isOperatingButton: false,
122 |               keyWords: "key",
123 |               data: FilterData.sort,
124 |               itemBuilder: buildCheckItem,
125 |             );
126 |           },
127 |           screenHeight: MediaQuery.of(context).size.height,
128 |           draughtHeight: 60 * 6.66,
129 |           bottomSpacingHeight: 168.0 + 50.0),
130 |     ]);
131 |   }
132 | }
133 | 


--------------------------------------------------------------------------------
/example/lib/pages/motionless_scroll_filter.dart:
--------------------------------------------------------------------------------
  1 | import 'package:flutter/material.dart';
  2 | import 'package:flutter_custom_dropdown/flutter_custom_dropdown.dart';
  3 | import 'package:flutter_custom_dropdown_example/config/filter_data.dart';
  4 | 
  5 | class MotionlessScrollFilter extends StatefulWidget {
  6 |   @override
  7 |   _MotionlessScrollFilterState createState() => _MotionlessScrollFilterState();
  8 | }
  9 | 
 10 | class _MotionlessScrollFilterState extends State<MotionlessScrollFilter> {
 11 |   late ScrollController scrollController;
 12 |   late GlobalKey globalKey;
 13 | 
 14 |   @override
 15 |   void initState() {
 16 |     scrollController = new ScrollController();
 17 |     globalKey = new GlobalKey();
 18 |     super.initState();
 19 |   }
 20 | 
 21 |   void _onTapHead(int index) {
 22 |     RenderObject renderObject = globalKey.currentContext!.findRenderObject()!;
 23 |     DropdownMenuController? controller = DefaultDropdownMenuController.of(globalKey.currentContext!);
 24 |     //
 25 |     scrollController
 26 |         .animateTo(scrollController.offset + renderObject.semanticBounds.height, duration: new Duration(milliseconds: 150), curve: Curves.ease)
 27 |         .whenComplete(() {
 28 |       controller?.show(index);
 29 |     });
 30 |   }
 31 | 
 32 |   @override
 33 |   Widget build(BuildContext context) {
 34 |     return Container(
 35 |         child: DefaultDropdownMenuController(
 36 |       onSelected: ({int? menuIndex, dynamic data}) {
 37 |         print("int menuIndex, dynamic data = $menuIndex,$data");
 38 |       },
 39 |       child: Stack(
 40 |         children: [
 41 |           CustomScrollView(controller: scrollController, slivers: <Widget>[
 42 |             new SliverList(
 43 |                 key: globalKey,
 44 |                 delegate: new SliverChildBuilderDelegate((BuildContext context, int index) {
 45 |                   return new Container(
 46 |                     height: 200,
 47 |                     color: Colors.black26,
 48 |                     child: Text('高吧'),
 49 |                   );
 50 |                 }, childCount: 1)),
 51 |             new SliverPersistentHeader(
 52 |               delegate: DropdownSliverChildBuilderDelegate(builder: (BuildContext context) {
 53 |                 return Container(color: Theme.of(context).scaffoldBackgroundColor, child: buildDropdownHeader(onTap: _onTapHead));
 54 |               }),
 55 |               pinned: true,
 56 |               floating: true,
 57 |             ),
 58 |             SliverList(
 59 |                 delegate: SliverChildBuilderDelegate((BuildContext context, int index) {
 60 |               return Container(
 61 |                 height: 50,
 62 |                 color: Color(0XFF00CCA9),
 63 |                 child: Text('数量+$index'),
 64 |               );
 65 |             }, childCount: 300)),
 66 |           ]),
 67 |           Padding(padding: const EdgeInsets.only(top: 40), child: buildDropdownMenu(context))
 68 |         ],
 69 |       ),
 70 |     ));
 71 |   }
 72 | 
 73 |   DropdownHeader buildDropdownHeader({DropdownMenuHeadTapCallback? onTap}) {
 74 |     return DropdownHeader(
 75 |       isSideline: false,
 76 |       onTap: onTap,
 77 |       titles: ['交易类型', '范围', '排序'],
 78 |       selectIsChangingColor: true,
 79 |       specialModules: [1],
 80 | 
 81 |       ///特殊模块,选中数据只亮起,不需要更改头部title,下标为1
 82 |     );
 83 |   }
 84 | 
 85 |   DropdownMenu buildDropdownMenu(BuildContext context) {
 86 |     return new DropdownMenu(menus: [
 87 |       DropdownMenuBuilder(
 88 |           builder: (BuildContext context) {
 89 |             return DropdownListMenu(
 90 |               selectedIndex: FilterData.housingTypes[0],
 91 |               isOperatingButton: false,
 92 |               keyWords: "key",
 93 |               data: FilterData.housingTypes,
 94 |               valueKey: 'value',
 95 |               itemBuilder: buildCheckItem,
 96 |             );
 97 |           },
 98 |           screenHeight: MediaQuery.of(context).size.height,
 99 |           draughtHeight: 60 * 2.5,
100 |           bottomSpacingHeight: 168.0),
101 |       DropdownMenuBuilder(
102 |           builder: (BuildContext context) {
103 |             return DropdownListMenu(
104 |               selectedIndex: FilterData.ranges[0],
105 |               isOperatingButton: false,
106 |               keyWords: "key",
107 |               data: FilterData.ranges,
108 |               itemBuilder: buildCheckItem,
109 |             );
110 |           },
111 |           screenHeight: MediaQuery.of(context).size.height,
112 |           draughtHeight: 60 * 2.5,
113 |           bottomSpacingHeight: 168.0),
114 |       DropdownMenuBuilder(
115 |           builder: (BuildContext context) {
116 |             return DropdownListMenu(
117 |               selectedIndex: FilterData.sort[0],
118 |               isOperatingButton: false,
119 |               keyWords: "key",
120 |               data: FilterData.sort,
121 |               itemBuilder: buildCheckItem,
122 |             );
123 |           },
124 |           screenHeight: MediaQuery.of(context).size.height,
125 |           draughtHeight: 60 * 6.66,
126 |           bottomSpacingHeight: 168.0 + 50.0),
127 |     ]);
128 |   }
129 | }
130 | 


--------------------------------------------------------------------------------
/example/pubspec.lock:
--------------------------------------------------------------------------------
  1 | # Generated by pub
  2 | # See https://dart.dev/tools/pub/glossary#lockfile
  3 | packages:
  4 |   async:
  5 |     dependency: transitive
  6 |     description:
  7 |       name: async
  8 |       url: "https://pub.dartlang.org"
  9 |     source: hosted
 10 |     version: "2.8.2"
 11 |   boolean_selector:
 12 |     dependency: transitive
 13 |     description:
 14 |       name: boolean_selector
 15 |       url: "https://pub.dartlang.org"
 16 |     source: hosted
 17 |     version: "2.1.0"
 18 |   characters:
 19 |     dependency: transitive
 20 |     description:
 21 |       name: characters
 22 |       url: "https://pub.dartlang.org"
 23 |     source: hosted
 24 |     version: "1.2.0"
 25 |   charcode:
 26 |     dependency: transitive
 27 |     description:
 28 |       name: charcode
 29 |       url: "https://pub.dartlang.org"
 30 |     source: hosted
 31 |     version: "1.3.1"
 32 |   clock:
 33 |     dependency: transitive
 34 |     description:
 35 |       name: clock
 36 |       url: "https://pub.dartlang.org"
 37 |     source: hosted
 38 |     version: "1.1.0"
 39 |   collection:
 40 |     dependency: transitive
 41 |     description:
 42 |       name: collection
 43 |       url: "https://pub.dartlang.org"
 44 |     source: hosted
 45 |     version: "1.15.0"
 46 |   cupertino_icons:
 47 |     dependency: "direct main"
 48 |     description:
 49 |       name: cupertino_icons
 50 |       url: "https://pub.dartlang.org"
 51 |     source: hosted
 52 |     version: "1.0.5"
 53 |   fake_async:
 54 |     dependency: transitive
 55 |     description:
 56 |       name: fake_async
 57 |       url: "https://pub.dartlang.org"
 58 |     source: hosted
 59 |     version: "1.2.0"
 60 |   flutter:
 61 |     dependency: "direct main"
 62 |     description: flutter
 63 |     source: sdk
 64 |     version: "0.0.0"
 65 |   flutter_custom_dropdown:
 66 |     dependency: "direct main"
 67 |     description:
 68 |       path: ".."
 69 |       relative: true
 70 |     source: path
 71 |     version: "0.0.1"
 72 |   flutter_test:
 73 |     dependency: "direct dev"
 74 |     description: flutter
 75 |     source: sdk
 76 |     version: "0.0.0"
 77 |   matcher:
 78 |     dependency: transitive
 79 |     description:
 80 |       name: matcher
 81 |       url: "https://pub.dartlang.org"
 82 |     source: hosted
 83 |     version: "0.12.11"
 84 |   material_color_utilities:
 85 |     dependency: transitive
 86 |     description:
 87 |       name: material_color_utilities
 88 |       url: "https://pub.dartlang.org"
 89 |     source: hosted
 90 |     version: "0.1.3"
 91 |   meta:
 92 |     dependency: transitive
 93 |     description:
 94 |       name: meta
 95 |       url: "https://pub.dartlang.org"
 96 |     source: hosted
 97 |     version: "1.7.0"
 98 |   path:
 99 |     dependency: transitive
100 |     description:
101 |       name: path
102 |       url: "https://pub.dartlang.org"
103 |     source: hosted
104 |     version: "1.8.0"
105 |   sky_engine:
106 |     dependency: transitive
107 |     description: flutter
108 |     source: sdk
109 |     version: "0.0.99"
110 |   source_span:
111 |     dependency: transitive
112 |     description:
113 |       name: source_span
114 |       url: "https://pub.dartlang.org"
115 |     source: hosted
116 |     version: "1.8.1"
117 |   stack_trace:
118 |     dependency: transitive
119 |     description:
120 |       name: stack_trace
121 |       url: "https://pub.dartlang.org"
122 |     source: hosted
123 |     version: "1.10.0"
124 |   stream_channel:
125 |     dependency: transitive
126 |     description:
127 |       name: stream_channel
128 |       url: "https://pub.dartlang.org"
129 |     source: hosted
130 |     version: "2.1.0"
131 |   string_scanner:
132 |     dependency: transitive
133 |     description:
134 |       name: string_scanner
135 |       url: "https://pub.dartlang.org"
136 |     source: hosted
137 |     version: "1.1.0"
138 |   term_glyph:
139 |     dependency: transitive
140 |     description:
141 |       name: term_glyph
142 |       url: "https://pub.dartlang.org"
143 |     source: hosted
144 |     version: "1.2.0"
145 |   test_api:
146 |     dependency: transitive
147 |     description:
148 |       name: test_api
149 |       url: "https://pub.dartlang.org"
150 |     source: hosted
151 |     version: "0.4.8"
152 |   typed_data:
153 |     dependency: transitive
154 |     description:
155 |       name: typed_data
156 |       url: "https://pub.dartlang.org"
157 |     source: hosted
158 |     version: "1.3.0"
159 |   vector_math:
160 |     dependency: transitive
161 |     description:
162 |       name: vector_math
163 |       url: "https://pub.dartlang.org"
164 |     source: hosted
165 |     version: "2.1.1"
166 | sdks:
167 |   dart: ">=2.14.0 <3.0.0"
168 |   flutter: ">=1.20.0"
169 | 


--------------------------------------------------------------------------------
/example/pubspec.yaml:
--------------------------------------------------------------------------------
 1 | name: flutter_custom_dropdown_example
 2 | description: Demonstrates how to use the flutter_custom_dropdown plugin.
 3 | 
 4 | # The following line prevents the package from being accidentally published to
 5 | # pub.dev using `pub publish`. This is preferred for private packages.
 6 | publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 7 | 
 8 | environment:
 9 |   sdk: ">=2.12.0 <3.0.0"
10 | 
11 | dependencies:
12 |   flutter:
13 |     sdk: flutter
14 | 
15 |   flutter_custom_dropdown:
16 |     # When depending on this package from a real application you should use:
17 |     #   flutter_custom_dropdown: ^x.y.z
18 |     # See https://dart.dev/tools/pub/dependencies#version-constraints
19 |     # The example app is bundled with the plugin so we use a path dependency on
20 |     # the parent directory to use the current plugin's version.
21 |     path: ../
22 | 
23 |   # The following adds the Cupertino Icons font to your application.
24 |   # Use with the CupertinoIcons class for iOS style icons.
25 |   cupertino_icons: ^1.0.0
26 | 
27 | dev_dependencies:
28 |   flutter_test:
29 |     sdk: flutter
30 | 
31 | # For information on the generic Dart part of this file, see the
32 | # following page: https://dart.dev/tools/pub/pubspec
33 | 
34 | # The following section is specific to Flutter.
35 | flutter:
36 | 
37 |   # The following line ensures that the Material Icons font is
38 |   # included with your application, so that you can use the icons in
39 |   # the material Icons class.
40 |   uses-material-design: true
41 | 
42 |   # To add assets to your application, add an assets section, like this:
43 |   # assets:
44 |   #   - images/a_dot_burr.jpeg
45 |   #   - images/a_dot_ham.jpeg
46 | 
47 |   # An image asset can refer to one or more resolution-specific "variants", see
48 |   # https://flutter.dev/assets-and-images/#resolution-aware.
49 | 
50 |   # For details regarding adding assets from package dependencies, see
51 |   # https://flutter.dev/assets-and-images/#from-packages
52 | 
53 |   # To add custom fonts to your application, add a fonts section here,
54 |   # in this "flutter" section. Each entry in this list should have a
55 |   # "family" key with the font family name, and a "fonts" key with a
56 |   # list giving the asset and other descriptors for the font. For
57 |   # example:
58 |   # fonts:
59 |   #   - family: Schyler
60 |   #     fonts:
61 |   #       - asset: fonts/Schyler-Regular.ttf
62 |   #       - asset: fonts/Schyler-Italic.ttf
63 |   #         style: italic
64 |   #   - family: Trajan Pro
65 |   #     fonts:
66 |   #       - asset: fonts/TrajanPro.ttf
67 |   #       - asset: fonts/TrajanPro_Bold.ttf
68 |   #         weight: 700
69 |   #
70 |   # For details regarding fonts from package dependencies,
71 |   # see https://flutter.dev/custom-fonts/#from-packages
72 | 


--------------------------------------------------------------------------------
/example/test/widget_test.dart:
--------------------------------------------------------------------------------
 1 | // This is a basic Flutter widget test.
 2 | //
 3 | // To perform an interaction with a widget in your test, use the WidgetTester
 4 | // utility that Flutter provides. For example, you can send tap and scroll
 5 | // gestures. You can also use WidgetTester to find child widgets in the widget
 6 | // tree, read text, and verify that the values of widget properties are correct.
 7 | 
 8 | import 'package:flutter/material.dart';
 9 | import 'package:flutter_custom_dropdown_example/main.dart';
10 | import 'package:flutter_test/flutter_test.dart';
11 | 
12 | void main() {
13 |   testWidgets('Verify Platform version', (WidgetTester tester) async {
14 |     // Build our app and trigger a frame.
15 |     await tester.pumpWidget(MyApp());
16 | 
17 |     // Verify that platform version is retrieved.
18 |     expect(
19 |       find.byWidgetPredicate(
20 |         (Widget widget) => widget is Text && (widget.data?.startsWith('Running on:') ?? false),
21 |       ),
22 |       findsOneWidget,
23 |     );
24 |   });
25 | }
26 | 


--------------------------------------------------------------------------------
/flutter_custom_dropdown.iml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <module type="JAVA_MODULE" version="4">
 3 |   <component name="NewModuleRootManager" inherit-compiler-output="true">
 4 |     <exclude-output />
 5 |     <content url="file://$MODULE_DIR$">
 6 |       <sourceFolder url="file://$MODULE_DIR$/lib" isTestSource="false" />
 7 |       <excludeFolder url="file://$MODULE_DIR$/.dart_tool" />
 8 |       <excludeFolder url="file://$MODULE_DIR$/.idea" />
 9 |       <excludeFolder url="file://$MODULE_DIR$/.pub" />
10 |       <excludeFolder url="file://$MODULE_DIR$/build" />
11 |       <excludeFolder url="file://$MODULE_DIR$/example/.dart_tool" />
12 |       <excludeFolder url="file://$MODULE_DIR$/example/.pub" />
13 |       <excludeFolder url="file://$MODULE_DIR$/example/build" />
14 |     </content>
15 |     <orderEntry type="sourceFolder" forTests="false" />
16 |     <orderEntry type="library" name="Dart SDK" level="project" />
17 |     <orderEntry type="library" name="Flutter Plugins" level="project" />
18 |   </component>
19 | </module>


--------------------------------------------------------------------------------
/ios/.gitignore:
--------------------------------------------------------------------------------
 1 | .idea/
 2 | .vagrant/
 3 | .sconsign.dblite
 4 | .svn/
 5 | 
 6 | .DS_Store
 7 | *.swp
 8 | profile
 9 | 
10 | DerivedData/
11 | build/
12 | GeneratedPluginRegistrant.h
13 | GeneratedPluginRegistrant.m
14 | 
15 | .generated/
16 | 
17 | *.pbxuser
18 | *.mode1v3
19 | *.mode2v3
20 | *.perspectivev3
21 | 
22 | !default.pbxuser
23 | !default.mode1v3
24 | !default.mode2v3
25 | !default.perspectivev3
26 | 
27 | xcuserdata
28 | 
29 | *.moved-aside
30 | 
31 | *.pyc
32 | *sync/
33 | Icon?
34 | .tags*
35 | 
36 | /Flutter/Generated.xcconfig
37 | /Flutter/flutter_export_environment.sh


--------------------------------------------------------------------------------
/ios/Assets/.gitkeep:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Quietly-20201113/flutter_custom_dropdown/a15df55f29ca15437f1d8c43122956f316962b78/ios/Assets/.gitkeep


--------------------------------------------------------------------------------
/ios/Classes/FlutterCustomDropdownPlugin.h:
--------------------------------------------------------------------------------
1 | #import <Flutter/Flutter.h>
2 | 
3 | @interface FlutterCustomDropdownPlugin : NSObject<FlutterPlugin>
4 | @end
5 | 


--------------------------------------------------------------------------------
/ios/Classes/FlutterCustomDropdownPlugin.m:
--------------------------------------------------------------------------------
 1 | #import "FlutterCustomDropdownPlugin.h"
 2 | 
 3 | @implementation FlutterCustomDropdownPlugin
 4 | + (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
 5 |   FlutterMethodChannel* channel = [FlutterMethodChannel
 6 |       methodChannelWithName:@"flutter_custom_dropdown"
 7 |             binaryMessenger:[registrar messenger]];
 8 |   FlutterCustomDropdownPlugin* instance = [[FlutterCustomDropdownPlugin alloc] init];
 9 |   [registrar addMethodCallDelegate:instance channel:channel];
10 | }
11 | 
12 | - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
13 |   if ([@"getPlatformVersion" isEqualToString:call.method]) {
14 |     result([@"iOS " stringByAppendingString:[[UIDevice currentDevice] systemVersion]]);
15 |   } else {
16 |     result(FlutterMethodNotImplemented);
17 |   }
18 | }
19 | 
20 | @end
21 | 


--------------------------------------------------------------------------------
/ios/flutter_custom_dropdown.podspec:
--------------------------------------------------------------------------------
 1 | #
 2 | # To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
 3 | # Run `pod lib lint flutter_custom_dropdown.podspec' to validate before publishing.
 4 | #
 5 | Pod::Spec.new do |s|
 6 |   s.name             = 'flutter_custom_dropdown'
 7 |   s.version          = '0.0.1'
 8 |   s.summary          = 'A new flutter plugin project.'
 9 |   s.description      = <<-DESC
10 | A new flutter plugin project.
11 |                        DESC
12 |   s.homepage         = 'http://example.com'
13 |   s.license          = { :file => '../LICENSE' }
14 |   s.author           = { 'Your Company' => 'email@example.com' }
15 |   s.source           = { :path => '.' }
16 |   s.source_files = 'Classes/**/*'
17 |   s.public_header_files = 'Classes/**/*.h'
18 |   s.dependency 'Flutter'
19 |   s.platform = :ios, '8.0'
20 | 
21 |   # Flutter.framework does not contain a i386 slice.
22 |   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }
23 | end
24 | 


--------------------------------------------------------------------------------
/lib/flutter_custom_dropdown.dart:
--------------------------------------------------------------------------------
 1 | library flutter_custom_dropdown;
 2 | export 'tool/drapdown_common.dart';
 3 | export 'tool/dropdown_header.dart';
 4 | export 'tool/dropdown_menu.dart';
 5 | export 'tool/dropdown_sliver.dart';
 6 | export 'tool/dropdown_list_menu.dart';
 7 | export 'tool/dropdown_menu_customize.dart';
 8 | export 'tool/templates/build_check_item.dart';
 9 | export 'tool/custom_button/filter_button.dart';
10 | 


--------------------------------------------------------------------------------
/lib/tool/custom_button/filter_button.dart:
--------------------------------------------------------------------------------
 1 | import 'package:flutter/material.dart';
 2 | 
 3 | ///定义多选或者特殊操作时按钮
 4 | class FilterButton extends StatelessWidget {
 5 |   final VoidCallback resetOnTap;
 6 | 
 7 |   ///重置
 8 |   final VoidCallback fixOnTap;
 9 | 
10 |   ///确定
11 |   const FilterButton({Key? key, required this.resetOnTap, required this.fixOnTap}) : super(key: key);
12 |   @override
13 |   Widget build(BuildContext context) {
14 |     return Container(
15 |       margin: const EdgeInsets.symmetric(horizontal: 12.0, vertical: 8.0),
16 |       child: Row(
17 |         mainAxisAlignment: MainAxisAlignment.spaceBetween,
18 |         children: <Widget>[
19 |           Container(
20 |               child: GestureDetector(
21 |                   behavior: HitTestBehavior.opaque,
22 |                   onTap: resetOnTap,
23 |                   child: Container(
24 |                       alignment: Alignment.center,
25 |                       padding: const EdgeInsets.symmetric(vertical: 10.0, horizontal: 41.5),
26 |                       decoration: BoxDecoration(
27 |                         color: Color(0XFFFFFFFF),
28 |                         borderRadius: const BorderRadius.all(Radius.circular(2.0)),
29 |                         border: Border.all(width: .5, color: Theme.of(context).primaryColor),
30 |                       ),
31 |                       child: Text(
32 |                         '重置',
33 |                         style: TextStyle(color: Theme.of(context).primaryColor, fontSize: 18),
34 |                       )))),
35 |           const SizedBox(
36 |             width: 12.0,
37 |           ),
38 |           Expanded(
39 |             child: GestureDetector(
40 |                 behavior: HitTestBehavior.opaque,
41 |                 onTap: fixOnTap,
42 |                 child: Container(
43 |                     alignment: Alignment.center,
44 |                     padding: const EdgeInsets.symmetric(vertical: 10.0, horizontal: 41.5),
45 |                     decoration: BoxDecoration(
46 |                       color: Theme.of(context).primaryColor,
47 |                       borderRadius: const BorderRadius.all(Radius.circular(2.0)),
48 |                     ),
49 |                     child: Text(
50 |                       '确定',
51 |                       style: TextStyle(color: Colors.white, fontSize: 18),
52 |                     ))),
53 |           )
54 |         ],
55 |       ),
56 |     );
57 |   }
58 | }
59 | 


--------------------------------------------------------------------------------
/lib/tool/drapdown_common.dart:
--------------------------------------------------------------------------------
  1 | import 'package:flutter/widgets.dart';
  2 | 
  3 | enum DropdownEvent {
  4 |   // 关闭
  5 |   HIDE,
  6 | 
  7 |   // 打开
  8 |   ACTIVE,
  9 | 
 10 |   // 传输数据
 11 |   SELECT
 12 | }
 13 | 
 14 | class DropdownMenuController extends ChangeNotifier {
 15 |   ///下拉状态
 16 |   DropdownEvent event = DropdownEvent.HIDE;
 17 | 
 18 |   ///当前操作下标
 19 |   int menuIndex = -1;
 20 | 
 21 |   /// 选中内容
 22 |   dynamic data;
 23 | 
 24 |   void hide() {
 25 |     event = DropdownEvent.HIDE;
 26 |     notifyListeners();
 27 |   }
 28 | 
 29 |   void show(int index) {
 30 |     event = DropdownEvent.ACTIVE;
 31 |     menuIndex = index;
 32 |     notifyListeners();
 33 |   }
 34 | 
 35 |   ///自定义赋值
 36 |   void select(dynamic _data, [int? index]) {
 37 |     event = DropdownEvent.SELECT;
 38 |     this.data = _data;
 39 |     if (index != null) {
 40 |       this.menuIndex = index;
 41 |     }
 42 |     notifyListeners();
 43 |   }
 44 | 
 45 |   ///单纯的赋值,不做操作,适用于非弹出页面,复杂模块赋值
 46 |   void assignment(dynamic _data, [int? index]) {
 47 |     this.data = _data;
 48 |     if (index != null) {
 49 |       this.menuIndex = index;
 50 |     }
 51 |   }
 52 | }
 53 | 
 54 | typedef DropdownMenuOnSelected({int menuIndex, dynamic data});
 55 | 
 56 | class DefaultDropdownMenuController extends StatefulWidget {
 57 |   const DefaultDropdownMenuController({
 58 |     Key? key,
 59 |     required this.child,
 60 |     this.onSelected,
 61 |   }) : super(key: key);
 62 | 
 63 |   final Widget child;
 64 | 
 65 |   final DropdownMenuOnSelected? onSelected;
 66 | 
 67 |   static DropdownMenuController? of(BuildContext context) {
 68 |     final _DropdownMenuControllerScope? scope = context.dependOnInheritedWidgetOfExactType<_DropdownMenuControllerScope>();
 69 |     return scope?.controller;
 70 |   }
 71 | 
 72 |   @override
 73 |   _DefaultDropdownMenuControllerState createState() => new _DefaultDropdownMenuControllerState();
 74 | }
 75 | 
 76 | class _DefaultDropdownMenuControllerState extends State<DefaultDropdownMenuController> with SingleTickerProviderStateMixin {
 77 |   late DropdownMenuController _controller;
 78 | 
 79 |   @override
 80 |   void initState() {
 81 |     super.initState();
 82 |     _controller = new DropdownMenuController();
 83 |     _controller.addListener(_onController);
 84 |   }
 85 | 
 86 |   void _onController() {
 87 |     switch (_controller.event) {
 88 |       case DropdownEvent.SELECT:
 89 |         {
 90 |           //通知widget
 91 |           if (widget.onSelected == null) return;
 92 |           widget.onSelected!(
 93 |             data: _controller.data,
 94 |             menuIndex: _controller.menuIndex,
 95 |           );
 96 |         }
 97 |         break;
 98 |       case DropdownEvent.ACTIVE:
 99 |         break;
100 |       case DropdownEvent.HIDE:
101 |         break;
102 |     }
103 |   }
104 | 
105 |   @override
106 |   void dispose() {
107 |     _controller.removeListener(_onController);
108 |     _controller.dispose();
109 |     super.dispose();
110 |   }
111 | 
112 |   @override
113 |   Widget build(BuildContext context) {
114 |     return _DropdownMenuControllerScope(
115 |       controller: _controller,
116 |       enabled: TickerMode.of(context),
117 |       child: widget.child,
118 |     );
119 |   }
120 | }
121 | 
122 | class _DropdownMenuControllerScope extends InheritedWidget {
123 |   const _DropdownMenuControllerScope({Key? key, this.controller, required this.enabled, required Widget child}) : super(key: key, child: child);
124 | 
125 |   final DropdownMenuController? controller;
126 |   final bool enabled;
127 | 
128 |   @override
129 |   bool updateShouldNotify(_DropdownMenuControllerScope old) {
130 |     return enabled != old.enabled || controller != old.controller;
131 |   }
132 | }
133 | 
134 | abstract class DropdownWidget extends StatefulWidget {
135 |   final DropdownMenuController? controller;
136 | 
137 |   const DropdownWidget({Key? key, this.controller}) : super(key: key);
138 | 
139 |   @override
140 |   DropdownState<DropdownWidget> createState();
141 | }
142 | 
143 | abstract class DropdownState<T extends DropdownWidget> extends State<T> {
144 |   DropdownMenuController? controller;
145 | 
146 |   @override
147 |   void dispose() {
148 |     if (controller != null) {
149 |       controller!.removeListener(_onController);
150 |     }
151 |     super.dispose();
152 |   }
153 | 
154 |   @override
155 |   void didChangeDependencies() {
156 |     if (controller == null) {
157 |       if (widget.controller == null) {
158 |         controller = DefaultDropdownMenuController.of(context);
159 |       } else {
160 |         controller = widget.controller;
161 |       }
162 | 
163 |       if (controller != null) {
164 |         controller!.addListener(_onController);
165 |       }
166 |     }
167 |     super.didChangeDependencies();
168 |   }
169 | 
170 |   @override
171 |   void didUpdateWidget(T oldWidget) {
172 |     if (widget.controller != null) {
173 |       if (controller != null) {
174 |         controller!.removeListener(_onController);
175 |       }
176 |       controller = widget.controller;
177 |       controller!.addListener(_onController);
178 |     }
179 | 
180 |     super.didUpdateWidget(oldWidget);
181 |   }
182 | 
183 |   void _onController() {
184 |     onEvent(controller!.event);
185 |   }
186 | 
187 |   void onEvent(DropdownEvent event);
188 | }
189 | 
190 | class DropdownMenuBuilder {
191 |   final WidgetBuilder builder;
192 | 
193 |   /* *
194 |    * 计算高度
195 |    * TODO : 例子60 * 6.66;[6行][每行6.66高]
196 |    */
197 |   final double draughtHeight;
198 | 
199 |   ///手机高度
200 |   final double? screenHeight;
201 | 
202 |   /* *
203 |    * 距离底部间距
204 |    */
205 |   final double bottomSpacingHeight;
206 | 
207 |   ///计算出的高度
208 |   final double height;
209 | 
210 |   /* *
211 |    *  TODO : height =  (screenHeight != null && screenHeight > 0.0) ? ((screenHeight - bottomSpacingHeight) > draughtHeight) ? draughtHeight : (screenHeight - bottomSpacingHeight) : draughtHeight;
212 |    *  TODO : 计算高度
213 |    *  TODO : 如果给了屏幕高度screenHeight以及距离底部高度则进行计算
214 |    *  TODO : 屏幕高度减去距离底部高度,对比计算高度,取出最小的做高度使用
215 |    */
216 |   //if height == null , use [DropdownMenu.maxMenuHeight]
217 |   const DropdownMenuBuilder({required this.builder, required this.draughtHeight, this.screenHeight, this.bottomSpacingHeight = 0.0})
218 |       : height = (screenHeight != null && screenHeight != 0.0 && screenHeight > 0.0)
219 |             ? ((screenHeight - bottomSpacingHeight) > draughtHeight)
220 |                 ? draughtHeight
221 |                 : (screenHeight - bottomSpacingHeight)
222 |             : draughtHeight;
223 | }
224 | 


--------------------------------------------------------------------------------
/lib/tool/dropdown_header.dart:
--------------------------------------------------------------------------------
  1 | import 'dart:ui';
  2 | 
  3 | import 'package:flutter/foundation.dart';
  4 | import 'package:flutter/material.dart';
  5 | import 'package:flutter/widgets.dart';
  6 | 
  7 | import 'drapdown_common.dart';
  8 | 
  9 | typedef void DropdownMenuHeadTapCallback(int index);
 10 | 
 11 | ///头部样式
 12 | typedef String GetItemLabel(dynamic data, [String valueKey]);
 13 | 
 14 | ///头部图标样式
 15 | typedef Widget GetCustomizeImage(bool selected, bool subjectiveSelected);
 16 | 
 17 | ///文本显示title提取
 18 | String defaultGetItemLabel(dynamic data, [String? valueKey]) {
 19 |   if (data is String) return data;
 20 |   if (data is Map) {
 21 |     ///自定义显示文本字段
 22 |     if (valueKey != null) {
 23 |       if (data.containsKey(valueKey)) {
 24 |         if (data[valueKey] != null) {
 25 |           return data[valueKey];
 26 |         }
 27 |       }
 28 |     }
 29 |     if (data.containsKey('title')) {
 30 |       if (data["title"] != null) {
 31 |         return data["title"];
 32 |       }
 33 |     }
 34 |   }
 35 |   if (data is List) {
 36 |     ///多选情况赋值第一个
 37 |     if (data.length >= 1) {
 38 |       try {
 39 |         String _title = data[0]["title"];
 40 |         if (_title.isNotEmpty) {
 41 |           return _title;
 42 |         }
 43 |       } catch (err) {
 44 |         return '';
 45 |       }
 46 |     }
 47 |   }
 48 |   return '';
 49 | }
 50 | 
 51 | class DropdownHeader extends DropdownWidget {
 52 |   final List<dynamic> titles;
 53 |   final bool selectIsChangingColor;
 54 | 
 55 |   ///选中查询内容是否显示选中颜色
 56 |   final int? activeIndex;
 57 |   final Color? selectColor;
 58 |   final Color? unselectedColor;
 59 | 
 60 |   ///是否有边线
 61 |   final bool isSideline;
 62 | 
 63 |   final DropdownMenuHeadTapCallback? onTap;
 64 |   final String? dropDownImage;
 65 | 
 66 |   ///未选中图标
 67 |   final String? dropDownSelectImage;
 68 | 
 69 |   ///选中图标
 70 |   final List<int> specialModules;
 71 | 
 72 |   ///只显示不回填值
 73 |   final GetCustomizeImage? imageWidget;
 74 | 
 75 |   ///自定义头部图标
 76 | 
 77 |   /// 筛选头部高度
 78 |   final double height;
 79 | 
 80 |   /// 头部显示内容
 81 |   final GetItemLabel getItemLabel;
 82 | 
 83 |   const DropdownHeader({
 84 |     Key? key,
 85 |     required this.titles,
 86 |     this.activeIndex,
 87 |     DropdownMenuController? controller,
 88 |     this.onTap,
 89 |     this.selectIsChangingColor = false,
 90 |     this.selectColor,
 91 |     this.unselectedColor,
 92 |     this.specialModules = const [],
 93 |     this.height: 46.0,
 94 |     this.isSideline = true,
 95 |     this.dropDownSelectImage,
 96 |     this.dropDownImage,
 97 |     this.imageWidget,
 98 |     GetItemLabel? getItemLabel,
 99 |   })  : getItemLabel = getItemLabel ?? defaultGetItemLabel,
100 |         assert(titles.length > 0),
101 |         super(key: key, controller: controller);
102 | 
103 |   @override
104 |   DropdownState<DropdownWidget> createState() {
105 |     return new _DropdownHeaderState();
106 |   }
107 | }
108 | 
109 | class _DropdownHeaderState extends DropdownState<DropdownHeader> {
110 |   bool contentSelected = false;
111 | 
112 |   Widget buildItem(BuildContext context, dynamic title, bool selected, int index, dynamic _title) {
113 |     double _screenWidth = MediaQuery.of(context).size.width - 20;
114 |     final Color primaryColor = widget.selectColor ?? Theme.of(context).primaryColor;
115 |     final Color unselectedColor = widget.unselectedColor ?? Theme.of(context).unselectedWidgetColor;
116 |     final GetItemLabel getItemLabel = widget.getItemLabel;
117 |     bool _selected = false;
118 |     dynamic _showTitle = title;
119 | 
120 |     ///选中后是否亮起
121 |     if (widget.selectIsChangingColor) {
122 |       if (!(_title == title)) {
123 |         _selected = true;
124 | 
125 |         ///处理特殊显示问题,有些样例只需要显示颜色不需要更改头部title
126 |         if (widget.specialModules.length > 0) {
127 |           if (widget.specialModules.contains(index)) {
128 |             _showTitle = _title;
129 |           }
130 |         }
131 |       }
132 |     }
133 |     return new GestureDetector(
134 |       behavior: HitTestBehavior.opaque,
135 |       child: Padding(
136 |           padding: const EdgeInsets.fromLTRB(0.0, 10.0, 0.0, 10.0),
137 |           child: DecoratedBox(
138 |               decoration: new BoxDecoration(border: widget.isSideline ? Border(left: Divider.createBorderSide(context)) : null),
139 |               child: new Container(
140 |                 margin: const EdgeInsets.only(left: 1.0, right: 1.0),
141 |                 width: (_screenWidth / widget.titles.length) - 20,
142 |                 child: Row(
143 |                   mainAxisSize: MainAxisSize.min,
144 |                   mainAxisAlignment: MainAxisAlignment.center,
145 |                   children: [
146 |                     Flexible(
147 |                       child: Row(
148 |                         mainAxisSize: MainAxisSize.min,
149 |                         mainAxisAlignment: MainAxisAlignment.center,
150 |                         children: [
151 |                           Flexible(
152 |                               child: Container(
153 |                             child: Text(
154 |                               getItemLabel(_showTitle),
155 |                               style: TextStyle(
156 |                                   color: _selected
157 |                                       ? primaryColor
158 |                                       : selected
159 |                                           ? primaryColor
160 |                                           : unselectedColor,
161 |                                   fontSize: 15.0),
162 |                               overflow: TextOverflow.ellipsis,
163 |                               maxLines: 1,
164 |                             ),
165 |                           )),
166 |                           Container(
167 |                             width: 0.0,
168 |                           )
169 |                         ],
170 |                       ),
171 |                     ),
172 |                     _imageAsset(selected, _selected, primaryColor, unselectedColor)
173 |                   ],
174 |                 ),
175 |               ))),
176 |       onTap: () {
177 |         if (widget.onTap != null) {
178 |           widget.onTap!(index);
179 |           return;
180 |         }
181 |         if (controller != null) {
182 |           if (_activeIndex == index) {
183 |             controller!.hide();
184 |             setState(() {
185 |               _activeIndex = null;
186 |             });
187 |           } else {
188 |             if (_activeIndex != null) {
189 |               controller!.hide();
190 |               ////TODO : 延时处理show时蒙层刚关闭没反应过来
191 |               Future.delayed(const Duration(milliseconds: 250), () {
192 |                 controller!.show(index);
193 |               });
194 |               return;
195 |             }
196 |             controller!.show(index);
197 |           }
198 |         }
199 |         //widget.onTap(index);
200 |       },
201 |     );
202 |   }
203 | 
204 |   ///处理图标
205 |   Widget _imageAsset(bool selected, bool _selected, Color primaryColor, Color unselectedColor) {
206 |     if (widget.imageWidget != null) {
207 |       return widget.imageWidget!(selected, _selected);
208 |     }
209 |     if (widget.dropDownImage == null || widget.dropDownSelectImage == null) {
210 |       return Icon(
211 |         selected ? Icons.arrow_drop_up : Icons.arrow_drop_down,
212 |         color: _selected
213 |             ? primaryColor
214 |             : selected
215 |                 ? primaryColor
216 |                 : unselectedColor,
217 |       );
218 |     }
219 |     return Image.asset(
220 |       selected ? widget.dropDownSelectImage! : widget.dropDownImage!,
221 |       width: 18.0,
222 |       height: 18.0,
223 |       color: _selected
224 |           ? primaryColor
225 |           : selected
226 |               ? primaryColor
227 |               : unselectedColor,
228 |     );
229 |   }
230 | 
231 |   int? _activeIndex;
232 | 
233 |   ///选中菜单index
234 |   List<dynamic> _titles = [];
235 | 
236 |   ///头部重新赋值
237 |   List<dynamic> _titlesCopy = [];
238 | 
239 |   /// 保留原始头部值
240 | 
241 |   @override
242 |   Widget build(BuildContext context) {
243 |     List<Widget> list = [];
244 |     final int? activeIndex = _activeIndex;
245 |     final List<dynamic> titles = _titles;
246 |     final double height = widget.height;
247 |     for (int i = 0, c = widget.titles.length; i < c; ++i) {
248 |       list.add(buildItem(context, titles[i], i == activeIndex, i, _titlesCopy[i]));
249 |     }
250 | 
251 |     list = list.map((Widget widget) {
252 |       return new Expanded(
253 |         child: widget,
254 |       );
255 |     }).toList();
256 | 
257 |     final Decoration decoration = new BoxDecoration(
258 |       border: new Border(
259 |         bottom: Divider.createBorderSide(context),
260 |       ),
261 |     );
262 | 
263 |     return new DecoratedBox(
264 |       decoration: decoration,
265 |       child: new SizedBox(
266 |           child: new Row(
267 |             mainAxisAlignment: MainAxisAlignment.spaceAround,
268 |             children: list,
269 |           ),
270 |           height: height),
271 |     );
272 |   }
273 | 
274 |   @override
275 |   void initState() {
276 |     _titles = widget.titles;
277 |     _titlesCopy = []..addAll(widget.titles);
278 |     super.initState();
279 |   }
280 | 
281 |   @override
282 |   void onEvent(DropdownEvent event) {
283 |     switch (event) {
284 |       case DropdownEvent.SELECT:
285 |         {
286 |           setState(() {
287 |             _activeIndex = null;
288 |             String label = widget.getItemLabel(controller!.data);
289 |             try {
290 |               _titles[controller!.menuIndex] = label == "" ? _titles[controller!.menuIndex] : label;
291 |             } catch (err) {}
292 |           });
293 |         }
294 |         break;
295 |       case DropdownEvent.HIDE:
296 |         {
297 |           print('选中内容HIDE = ${controller!.data}');
298 |           if (_activeIndex == null) return;
299 |           setState(() {
300 |             _activeIndex = null;
301 |           });
302 |         }
303 |         break;
304 |       case DropdownEvent.ACTIVE:
305 |         {
306 |           if (_activeIndex == controller!.menuIndex) return;
307 |           setState(() {
308 |             _activeIndex = controller!.menuIndex;
309 |           });
310 |         }
311 |         break;
312 |     }
313 |   }
314 | }
315 | 


--------------------------------------------------------------------------------
/lib/tool/dropdown_list_menu.dart:
--------------------------------------------------------------------------------
  1 | import 'package:flutter/material.dart';
  2 | import 'package:flutter/services.dart';
  3 | 
  4 | import 'custom_button/filter_button.dart';
  5 | import 'drapdown_common.dart';
  6 | 
  7 | typedef Widget MenuItemBuilder<T>(BuildContext context, T data, bool selected, String? valueKey);
  8 | 
  9 | ///自定义按钮,重置按钮,确定按钮,选中数据,自定义处置通知按钮
 10 | typedef Widget MenuButtonBuilder(BuildContext context, Object data, {VoidCallback resetOnTap, VoidCallback fixOnTap, VoidCallback noticeOnTap});
 11 | 
 12 | class CustomInputClass {
 13 |   final String startInput;
 14 | 
 15 |   ///开始输入内容
 16 |   final String endInput;
 17 | 
 18 |   ///结束输入内容
 19 |   final String startHintText;
 20 | 
 21 |   ///开始展示提示
 22 |   final String endHintText;
 23 | 
 24 |   ///结束框展示提示
 25 |   final TextInputType? keyboardType;
 26 | 
 27 |   ///输入格式
 28 |   const CustomInputClass(
 29 |       {this.startInput = 'startInput', this.endInput = 'endInput', this.startHintText = '', this.endHintText = '', this.keyboardType});
 30 | }
 31 | 
 32 | class DropdownListMenu<T> extends DropdownWidget {
 33 |   final List<T> data;
 34 |   final dynamic keyWords;
 35 | 
 36 |   ///作为判断依据的key
 37 |   final String? valueKey;
 38 | 
 39 |   ///显示内容的key
 40 |   final bool isOperatingButton;
 41 | 
 42 |   ///是否包含按钮
 43 |   final dynamic selectedIndex;
 44 | 
 45 |   ///初始化选中数据
 46 |   final MenuItemBuilder itemBuilder;
 47 |   final MenuButtonBuilder? buttonBuilder;
 48 | 
 49 |   ///自定义按钮
 50 |   final bool isCustomInput;
 51 | 
 52 |   ///是否自定义输入
 53 |   final bool isMultiple;
 54 | 
 55 |   ///是否多选
 56 |   final CustomInputClass? customInput;
 57 | 
 58 |   ///定义输入文本格式字段key
 59 |   const DropdownListMenu({
 60 |     required this.keyWords,
 61 |     required this.data,
 62 |     this.isOperatingButton = true,
 63 |     this.isCustomInput = false,
 64 |     this.buttonBuilder,
 65 |     this.valueKey,
 66 |     this.customInput,
 67 |     this.isMultiple = false,
 68 |     this.selectedIndex,
 69 |     required this.itemBuilder,
 70 |   });
 71 | 
 72 |   @override
 73 |   DropdownState<DropdownWidget> createState() {
 74 |     return new _MenuListState<T>();
 75 |   }
 76 | }
 77 | 
 78 | class _MenuListState<T> extends DropdownState<DropdownListMenu<T>> {
 79 |   dynamic _selectedIndex;
 80 |   bool _isMultiple = false;
 81 |   bool _isCustomInput = false;
 82 |   String? minPrince = "";
 83 |   String? maxPrince = "";
 84 |   Map princes = {};
 85 |   List<dynamic> _superclassIndex = [];
 86 | 
 87 |   ///传出给父类最最终值
 88 |   List<dynamic> _subclassIndex = [];
 89 | 
 90 |   ///子类操作值
 91 |   bool isRegular = false;
 92 | 
 93 |   @override
 94 |   void initState() {
 95 |     _isCustomInput = widget.isCustomInput;
 96 |     _subclassIndex = [widget.selectedIndex];
 97 |     _selectedIndex = widget.selectedIndex;
 98 |     _isMultiple = widget.isMultiple;
 99 |     princes[widget.customInput?.startInput ?? 'value1'] = null;
100 |     princes[widget.customInput?.endInput ?? 'value2'] = null;
101 |     super.initState();
102 |   }
103 | 
104 |   bool _contains(dynamic element, List<dynamic> list) {
105 |     ///判断是否相同
106 |     for (var i = 0; i < list.length; i++) {
107 |       if (list[i][widget.keyWords] == element[widget.keyWords]) {
108 |         return true;
109 |       }
110 |     }
111 |     return false;
112 |   }
113 | 
114 |   Widget buildItem(BuildContext context, int index) {
115 |     final List<T> list = widget.data;
116 |     final T data = list[index];
117 |     return new GestureDetector(
118 |       behavior: HitTestBehavior.opaque,
119 |       child: Container(
120 |         color: const Color(0XFFFFFFFF),
121 |         child: widget.itemBuilder(context, data, _contains(data, _subclassIndex), widget.valueKey),
122 |       ),
123 |       onTap: () {
124 |         isRegular = true;
125 |         FocusScope.of(context).requestFocus(FocusNode());
126 |         _dealingMultiple(data);
127 |       },
128 |     );
129 |   }
130 | 
131 |   void _dealingMultiple(dynamic data) {
132 |     setState(() {
133 |       if (!_contains(data, _subclassIndex)) {
134 |         ///处理多选与单选问题
135 |         if (!_isMultiple || data[widget.keyWords] == _selectedIndex[widget.keyWords]) {
136 |           _subclassIndex.clear();
137 |           if (!_isMultiple) {
138 |             _superclassIndex.clear();
139 |             _superclassIndex.add(data);
140 |             _subclassIndex.add(data);
141 |             assert(controller != null);
142 |             controller!.select(_subclassIndex);
143 |           }
144 |         }
145 |         if (_isMultiple && data[widget.keyWords] != _selectedIndex[widget.keyWords]) {
146 |           if (_contains(_selectedIndex, _subclassIndex)) {
147 |             _subclassIndex.remove(_selectedIndex);
148 |             _subclassIndex.clear();
149 |           }
150 |         }
151 |         _subclassIndex.add(data);
152 |       } else {
153 |         if (_isMultiple) {
154 |           _subclassIndex.remove(data);
155 |         }
156 |       }
157 |       minPrince = "";
158 |       maxPrince = "";
159 |       if (_subclassIndex.length == 0) _subclassIndex.add(_selectedIndex);
160 |     });
161 |     if (widget.isMultiple && !widget.isOperatingButton) {
162 |       _superclassIndex = []..addAll(_subclassIndex);
163 |       assert(controller != null);
164 |       controller!.select(_superclassIndex);
165 |     }
166 |   }
167 | 
168 |   @override
169 |   Widget build(BuildContext context) {
170 |     return Container(
171 |         color: const Color(0XFFFFFFFF),
172 |         child: GestureDetector(
173 |           behavior: HitTestBehavior.translucent,
174 |           onTap: () {
175 |             FocusScope.of(context).requestFocus(FocusNode());
176 |           },
177 |           child: Column(
178 |             mainAxisAlignment: MainAxisAlignment.spaceBetween,
179 |             children: <Widget>[
180 |               Container(
181 |                 child: _isCustomInput
182 |                     ? Row(
183 |                         mainAxisAlignment: MainAxisAlignment.center,
184 |                         children: <Widget>[
185 |                           Expanded(
186 |                               child: Container(
187 |                             margin: const EdgeInsets.symmetric(horizontal: 12.0),
188 |                             child: Column(
189 |                               children: <Widget>[
190 |                                 Container(
191 |                                   child: TextField(
192 |                                     inputFormatters: [FilteringTextInputFormatter.digitsOnly],
193 |                                     keyboardType: widget.customInput?.keyboardType == TextInputType.number
194 |                                         ? const TextInputType.numberWithOptions(decimal: true)
195 |                                         : widget.customInput?.keyboardType ?? TextInputType.text,
196 |                                     autofocus: false,
197 |                                     textAlign: TextAlign.center,
198 |                                     decoration: InputDecoration(
199 |                                       border: InputBorder.none,
200 |                                       hintStyle: const TextStyle(color: Color(0XFFC0C4CC), fontSize: 18.0),
201 |                                       hintText: "${widget.customInput?.startHintText ?? ''}",
202 |                                     ),
203 |                                     //使用controller保存输入框的值
204 |                                     controller: TextEditingController.fromValue(TextEditingValue(
205 |                                         text: minPrince.toString(),
206 |                                         selection: new TextSelection.fromPosition(
207 |                                             TextPosition(affinity: TextAffinity.downstream, offset: minPrince.toString().length)))),
208 | 
209 |                                     onChanged: (text) {
210 |                                       setState(() {
211 |                                         minPrince = text;
212 | //                                      princes['minPrince'] = minPrince;
213 |                                         princes[widget.customInput?.startInput ?? 'value1'] = minPrince;
214 |                                         if (minPrince == '' && maxPrince == '') {
215 |                                           _subclassIndex.add(_selectedIndex);
216 |                                         } else {
217 |                                           _subclassIndex.clear();
218 |                                           _subclassIndex.remove(_selectedIndex);
219 |                                         }
220 |                                       });
221 |                                     },
222 |                                     onSubmitted: (text) {
223 | //                                    setState(() {
224 | //                                      minPrince = text;
225 | //
226 | ////                                      princes['minPrince'] = minPrince;
227 | //                                      _subclassIndex.remove(_selectedIndex);
228 | //                                    });
229 |                                     },
230 |                                   ),
231 |                                 ),
232 |                                 const Divider(
233 |                                   height: .5,
234 |                                   color: Color(0XFF909399),
235 |                                 )
236 |                               ],
237 |                             ),
238 |                           )),
239 |                           Container(
240 |                             margin: const EdgeInsets.symmetric(horizontal: 11.0),
241 |                             child: const Text(
242 |                               "至",
243 |                               style: TextStyle(color: Color(0XFF606266), fontSize: 15.0),
244 |                             ),
245 |                           ),
246 |                           Expanded(
247 |                               child: Container(
248 |                             margin: const EdgeInsets.symmetric(horizontal: 12.0),
249 |                             child: Column(
250 |                               children: <Widget>[
251 |                                 Container(
252 |                                   child: TextField(
253 |                                     inputFormatters: [
254 |                                       // ignore: deprecated_member_use
255 |                                       FilteringTextInputFormatter.digitsOnly
256 |                                     ],
257 |                                     keyboardType: widget.customInput?.keyboardType == TextInputType.number
258 |                                         ? const TextInputType.numberWithOptions(decimal: true)
259 |                                         : widget.customInput?.keyboardType ?? TextInputType.text,
260 |                                     autofocus: false,
261 |                                     textAlign: TextAlign.center,
262 |                                     decoration: InputDecoration(
263 |                                         border: InputBorder.none,
264 |                                         hintText: "${widget.customInput?.endHintText ?? ''}",
265 |                                         hintStyle: const TextStyle(color: Color(0XFFC0C4CC), fontSize: 18.0)),
266 |                                     //使用controller保存输入框的值
267 |                                     controller: TextEditingController.fromValue(TextEditingValue(
268 |                                         text: maxPrince.toString(),
269 |                                         selection: new TextSelection.fromPosition(
270 |                                             TextPosition(affinity: TextAffinity.downstream, offset: maxPrince.toString().length)))),
271 |                                     onChanged: (text) {
272 |                                       setState(() {
273 |                                         maxPrince = text;
274 |                                         princes[widget.customInput?.endInput ?? 'value2'] = maxPrince;
275 |                                         if (minPrince == '' && maxPrince == '') {
276 |                                           print("${minPrince == ''}||minPrince$minPrince,maxPrince$maxPrince ===${maxPrince == ''}");
277 |                                           _subclassIndex.add(_selectedIndex);
278 |                                         } else {
279 |                                           _subclassIndex.clear();
280 |                                           _subclassIndex.remove(_selectedIndex);
281 |                                         }
282 |                                       });
283 |                                     },
284 |                                     onSubmitted: (text) {
285 | //                                    setState(() {
286 | //                                      maxPrince = text;
287 | //                                      princes[widget.customInput.endInput??'value2'] = maxPrince;
288 | //                                      _subclassIndex.remove(_selectedIndex);
289 | //                                    });
290 |                                     },
291 |                                   ),
292 |                                 ),
293 |                                 const Divider(
294 |                                   height: .5,
295 |                                   color: Color(0XFF909399),
296 |                                 )
297 |                               ],
298 |                             ),
299 |                           )),
300 |                         ],
301 |                       )
302 |                     : Container(),
303 |               ),
304 |               Expanded(
305 |                 child: ListView.builder(
306 |                   padding: const EdgeInsets.all(0),
307 |                   itemExtent: 50.0,
308 |                   itemBuilder: buildItem,
309 |                   itemCount: widget.data.length,
310 |                 ),
311 |               ),
312 |               _button(context)
313 |             ],
314 |           ),
315 |         ));
316 |   }
317 | 
318 |   Widget _button(BuildContext context) {
319 |     if (widget.isOperatingButton) {
320 |       if (widget.buttonBuilder == null) {
321 |         return FilterButton(
322 |           resetOnTap: () {
323 |             _getResetOnTap();
324 |           },
325 |           fixOnTap: () {
326 |             _getFixOnTap();
327 |           },
328 |         );
329 |       }
330 |       Map _item = {widget.customInput?.startInput ?? 'value1': minPrince, widget.customInput?.endInput ?? 'value2': maxPrince};
331 |       List _list = []..addAll(_subclassIndex);
332 |       _list.add(_item);
333 |       return widget.buttonBuilder!(context, _list, fixOnTap: () {
334 |         _getFixOnTap();
335 |       }, resetOnTap: () {
336 |         _getResetOnTap();
337 |       }, noticeOnTap: () {
338 |         assert(controller != null);
339 |         controller!.hide();
340 |       });
341 |     }
342 |     return const SizedBox(
343 |       height: 0.0,
344 |     );
345 |   }
346 | 
347 |   void _getFixOnTap() {
348 |     FocusScope.of(context).requestFocus(FocusNode());
349 |     isRegular = false;
350 |     setState(() {
351 |       ///赋值深拷贝，防止清除_subclassIndex时影响_superclassIndex，两种方式
352 | //                         _superclassIndex = json.decode(json.encode(_subclassIndex));///此方式影响性能
353 |       princes[widget.customInput?.startInput ?? 'value1'] = minPrince;
354 |       princes[widget.customInput?.endInput ?? 'value2'] = maxPrince;
355 |       _superclassIndex = []..addAll(_subclassIndex);
356 |       _superclassIndex.add(princes);
357 |     });
358 |     assert(controller != null);
359 |     controller!.select(_superclassIndex);
360 |   }
361 | 
362 |   void _getResetOnTap() {
363 |     isRegular = true;
364 |     FocusScope.of(context).requestFocus(FocusNode());
365 |     setState(() {
366 |       _subclassIndex.clear();
367 |       _subclassIndex.add(_selectedIndex);
368 |       maxPrince = "";
369 |       minPrince = "";
370 |     });
371 |   }
372 | 
373 |   @override
374 |   void onEvent(DropdownEvent event) {
375 |     switch (event) {
376 |       case DropdownEvent.SELECT:
377 |       case DropdownEvent.HIDE:
378 |         setState(() {
379 |           if (_subclassIndex != _superclassIndex) {
380 |             minPrince = princes[widget.customInput?.startInput ?? 'value1'];
381 |             maxPrince = princes[widget.customInput?.endInput ?? 'value2'];
382 |             if (_superclassIndex.length == 0) _superclassIndex.add(_selectedIndex);
383 |             _subclassIndex = []..addAll(_superclassIndex);
384 |           }
385 | //          if(isRegular){
386 | //            if(_subclassIndex != _superclassIndex){
387 | //              if(_superclassIndex.length == 0)_superclassIndex.add(_selectedIndex);
388 | //              _subclassIndex = []..addAll(_superclassIndex);
389 | //            }
390 | //          }
391 |         });
392 |         {}
393 |         break;
394 |       case DropdownEvent.ACTIVE:
395 |         {}
396 |         break;
397 |     }
398 |   }
399 | }
400 | 


--------------------------------------------------------------------------------
/lib/tool/dropdown_menu.dart:
--------------------------------------------------------------------------------
  1 | import 'dart:async';
  2 | import 'dart:ui' as ui show Image, ImageFilter;
  3 | 
  4 | import 'package:flutter/material.dart';
  5 | 
  6 | import 'drapdown_common.dart';
  7 | 
  8 | enum DropdownMenuShowHideSwitchStyle {
  9 |   /// the showing menu will direct hide without animation
 10 |   directHideAnimationShow,
 11 | 
 12 |   /// the showing menu will direct hide without animation, and another menu shows without animation
 13 |   directHideDirectShow,
 14 | 
 15 |   /// the showing menu will hide with animation,and the same time another menu shows with animation
 16 |   animationHideAnimationShow,
 17 | 
 18 |   /// the showing menu will hide with animation,until the animation complete, another menu shows with animation
 19 |   animationShowUntilAnimationHideComplete,
 20 | }
 21 | 
 22 | class DropdownMenu extends DropdownWidget {
 23 |   /// menus whant to show
 24 |   final List<DropdownMenuBuilder> menus;
 25 | 
 26 |   /* *
 27 |    * 收起高度
 28 |    * TODO : 当下拉收起时出现一丢丢没有收起,可添加收起余长(加个一两百)
 29 |    */
 30 |   final double? packUpHeight;
 31 | 
 32 |   final Duration hideDuration;
 33 |   final Duration showDuration;
 34 |   final Curve showCurve;
 35 |   final Curve hideCurve;
 36 | 
 37 |   /// if set , background is rendered with ImageFilter.blur
 38 |   final double? blur;
 39 | 
 40 |   final ValueChanged<int>? onHide;
 41 | 
 42 |   /// The style when one menu hide and another menu show ,
 43 |   /// see [DropdownMenuShowHideSwitchStyle]
 44 |   final DropdownMenuShowHideSwitchStyle switchStyle;
 45 | 
 46 |   final double? maxMenuHeight;
 47 | 
 48 |   DropdownMenu({
 49 |     Key? key,
 50 |     required this.menus,
 51 |     DropdownMenuController? controller,
 52 |     this.showDuration = const Duration(milliseconds: 300),
 53 |     this.hideDuration = const Duration(milliseconds: 150),
 54 |     this.onHide,
 55 |     this.blur,
 56 |     this.packUpHeight,
 57 |     this.maxMenuHeight,
 58 |     this.hideCurve = Curves.fastOutSlowIn,
 59 |     this.switchStyle: DropdownMenuShowHideSwitchStyle.animationShowUntilAnimationHideComplete,
 60 |     this.showCurve = Curves.fastOutSlowIn,
 61 |   }) : super(key: key, controller: controller);
 62 | 
 63 |   @override
 64 |   DropdownState<DropdownMenu> createState() {
 65 |     return new _DropdownMenuState(this.packUpHeight);
 66 |   }
 67 | }
 68 | 
 69 | class _DropdownAnimation {
 70 |   late Animation<Rect?> rect;
 71 |   late AnimationController animationController;
 72 |   late RectTween position;
 73 |   double? packUpHeight;
 74 | 
 75 |   _DropdownAnimation(TickerProvider provider, double? packUpHeight) {
 76 |     animationController = new AnimationController(vsync: provider);
 77 |     this.packUpHeight = packUpHeight;
 78 |   }
 79 | 
 80 |   set height(double value) {
 81 |     ///加300防止动画收回时值不够
 82 |     position = new RectTween(
 83 |       begin: new Rect.fromLTRB(0.0, -value - (packUpHeight ?? 300), 0.0, 0.0),
 84 |       end: new Rect.fromLTRB(0.0, 0.0, 0.0, 0.0),
 85 |     );
 86 |     rect = position.animate(animationController);
 87 |   }
 88 | 
 89 |   set value(double value) {
 90 |     animationController.value = value;
 91 |   }
 92 | 
 93 |   void dispose() {
 94 |     animationController.dispose();
 95 |   }
 96 | 
 97 |   TickerFuture animateTo(double value, {required Duration duration, required Curve curve}) {
 98 |     return animationController.animateTo(value, duration: duration, curve: curve);
 99 |   }
100 | }
101 | 
102 | class SizeClipper extends CustomClipper<Rect> {
103 |   @override
104 |   Rect getClip(Size size) {
105 |     return new Rect.fromLTWH(0.0, 0.0, size.width, size.height);
106 |   }
107 | 
108 |   @override
109 |   bool shouldReclip(CustomClipper<Rect> oldClipper) {
110 |     return false;
111 |   }
112 | }
113 | 
114 | class _DropdownMenuState extends DropdownState<DropdownMenu> with TickerProviderStateMixin {
115 |   late List<_DropdownAnimation> _dropdownAnimations;
116 |   late bool _show;
117 |   late List<int> _showing;
118 |   final double? packUpHeight;
119 |   late AnimationController _fadeController;
120 |   late Animation<double> _fadeAnimation;
121 | 
122 |   _DropdownMenuState(this.packUpHeight);
123 | 
124 |   @override
125 |   void initState() {
126 |     _showing = [];
127 |     _dropdownAnimations = [];
128 |     for (int i = 0, c = widget.menus.length; i < c; ++i) {
129 |       _dropdownAnimations.add(new _DropdownAnimation(this, widget.packUpHeight));
130 |     }
131 | 
132 |     _updateHeights();
133 | 
134 |     _show = false;
135 | 
136 |     _fadeController = new AnimationController(vsync: this);
137 |     _fadeAnimation = new Tween(
138 |       begin: 0.0,
139 |       end: 1.0,
140 |     ).animate(_fadeController);
141 | 
142 |     super.initState();
143 |   }
144 | 
145 |   @override
146 |   void dispose() {
147 |     for (int i = 0, c = _dropdownAnimations.length; i < c; ++i) {
148 |       _dropdownAnimations[i].dispose();
149 |     }
150 | 
151 |     super.dispose();
152 |   }
153 | 
154 |   void _updateHeights() {
155 |     for (int i = 0, c = widget.menus.length; i < c; ++i) {
156 |       _dropdownAnimations[i].height = _ensureHeight(_getHeight(widget.menus[i]));
157 |     }
158 |   }
159 | 
160 |   @override
161 |   void didUpdateWidget(DropdownMenu oldWidget) {
162 |     //update state
163 |     _updateHeights();
164 |     super.didUpdateWidget(oldWidget);
165 |   }
166 | 
167 |   Widget createMenu(BuildContext context, DropdownMenuBuilder menu, int i) {
168 |     DropdownMenuBuilder builder = menu;
169 | 
170 |     return new ClipRect(
171 |       clipper: new SizeClipper(),
172 |       child: new SizedBox(height: _ensureHeight(builder.height), child: _showing.contains(i) ? builder.builder(context) : null),
173 |     );
174 |   }
175 | 
176 |   Widget _buildBackground(BuildContext context) {
177 |     Widget container = new Container(
178 | //      color: Color.fromARGB(60, 0, 0, 0),
179 |       color: Colors.black12,
180 |     );
181 | 
182 |     container = new BackdropFilter(
183 |         filter: new ui.ImageFilter.blur(
184 |           sigmaY: widget.blur ?? 0.0,
185 |           sigmaX: widget.blur ?? 0.0,
186 |         ),
187 |         child: container);
188 | 
189 |     return container;
190 |   }
191 | 
192 |   @override
193 |   Widget build(BuildContext context) {
194 |     List<Widget> list = [];
195 | 
196 |     print("build ${new DateTime.now()}");
197 |     Widget _onShowH = FadeTransition(
198 |       opacity: _fadeAnimation,
199 |       child: new GestureDetector(onTap: onHide, child: _buildBackground(context)),
200 |     );
201 |     if (_show) {
202 |       list.add(_onShowH);
203 |     }
204 |     for (int i = 0, c = widget.menus.length; i < c; ++i) {
205 |       list.add(new RelativePositionedTransition(
206 |           rect: _dropdownAnimations[i].rect,
207 |           size: new Size(0.0, 0.0),
208 |           child: new Align(
209 |               alignment: Alignment.topCenter,
210 |               child: new Container(
211 |                 color: Theme.of(context).scaffoldBackgroundColor,
212 |                 child: createMenu(context, widget.menus[i], i),
213 |               ))));
214 |     }
215 | 
216 |     //WidgetsBinding;
217 |     //context.findRenderObject();
218 |     return new Stack(
219 |       fit: StackFit.expand,
220 |       children: list,
221 |     );
222 |   }
223 | 
224 |   TickerFuture onHide({bool dispatch: true}) {
225 |     if (_activeIndex != null) {
226 |       int index = _activeIndex!;
227 |       _activeIndex = null;
228 |       TickerFuture future = _hide(index);
229 |       if (dispatch) {
230 |         if (controller != null) {
231 |           controller!.hide();
232 |         }
233 | 
234 |         if (widget.onHide != null) widget.onHide!(_activeIndex!);
235 |       }
236 | 
237 |       _fadeController.animateTo(0.0, duration: widget.hideDuration, curve: widget.hideCurve);
238 | 
239 |       future.whenComplete(() {
240 |         setState(() {
241 |           _show = false;
242 |         });
243 |       });
244 |       return future;
245 |     }
246 | 
247 |     return new TickerFuture.complete();
248 |   }
249 | 
250 |   TickerFuture _hide(int index) {
251 |     TickerFuture future = _dropdownAnimations[index].animateTo(0.0, duration: widget.hideDuration, curve: widget.hideCurve);
252 |     return future;
253 |   }
254 | 
255 |   int? _activeIndex;
256 | 
257 |   Future<void> onShow(int index) {
258 |     //哪一个是要展示的
259 | 
260 |     assert(index >= 0 && index < _dropdownAnimations.length);
261 |     if (!_showing.contains(index)) {
262 |       _showing.add(index);
263 |     }
264 | 
265 |     if (_activeIndex != null) {
266 |       if (_activeIndex == index) {
267 |         return onHide();
268 |       }
269 | 
270 |       switch (widget.switchStyle) {
271 |         case DropdownMenuShowHideSwitchStyle.directHideAnimationShow:
272 |           {
273 |             _dropdownAnimations[_activeIndex!].value = 0.0;
274 |             _dropdownAnimations[index].value = 1.0;
275 |             _activeIndex = index;
276 | 
277 |             setState(() {
278 |               _show = true;
279 |             });
280 | 
281 |             return new Future.value(null);
282 |           }
283 | 
284 |           break;
285 |         case DropdownMenuShowHideSwitchStyle.animationHideAnimationShow:
286 |           {
287 |             _hide(_activeIndex!);
288 |           }
289 |           break;
290 |         case DropdownMenuShowHideSwitchStyle.directHideDirectShow:
291 |           {
292 |             _dropdownAnimations[_activeIndex!].value = 0.0;
293 |           }
294 |           break;
295 |         case DropdownMenuShowHideSwitchStyle.animationShowUntilAnimationHideComplete:
296 |           {
297 |             return _hide(_activeIndex!).whenComplete(() {
298 |               return _handleShow(index, true);
299 |             });
300 |           }
301 |       }
302 |     }
303 | 
304 |     return _handleShow(index, true);
305 |   }
306 | 
307 |   TickerFuture _handleShow(int index, bool animation) {
308 |     _activeIndex = index;
309 | 
310 |     setState(() {
311 |       _show = true;
312 |     });
313 | 
314 |     _fadeController.animateTo(1.0, duration: widget.showDuration, curve: widget.showCurve);
315 | 
316 |     return _dropdownAnimations[index].animateTo(1.0, duration: widget.showDuration, curve: widget.showCurve);
317 |   }
318 | 
319 |   double _getHeight(dynamic menu) {
320 |     DropdownMenuBuilder builder = menu as DropdownMenuBuilder;
321 | 
322 |     return builder.height;
323 |   }
324 | 
325 |   double _ensureHeight(double? height) {
326 |     final double? maxMenuHeight = widget.maxMenuHeight;
327 |     assert(height != null || maxMenuHeight != null,
328 |         "DropdownMenu.maxMenuHeight and DropdownMenuBuilder.height must not both null,| 下拉的高度与下拉内容的高度都要有高度,给一下 ");
329 |     if (maxMenuHeight != null) {
330 |       if (height == null) return maxMenuHeight;
331 |       return height > maxMenuHeight ? maxMenuHeight : height;
332 |     }
333 |     return height!;
334 |   }
335 | 
336 |   @override
337 |   void onEvent(DropdownEvent event) {
338 |     switch (event) {
339 |       case DropdownEvent.SELECT:
340 |       case DropdownEvent.HIDE:
341 |         {
342 |           onHide(dispatch: false);
343 |         }
344 |         break;
345 |       case DropdownEvent.ACTIVE:
346 |         {
347 |           onShow(controller!.menuIndex);
348 |         }
349 |         break;
350 |     }
351 |   }
352 | }
353 | 


--------------------------------------------------------------------------------
/lib/tool/dropdown_menu_customize.dart:
--------------------------------------------------------------------------------
 1 | import 'package:flutter/cupertino.dart';
 2 | 
 3 | import 'drapdown_common.dart';
 4 | 
 5 | typedef Widget BlankMenuItemBuilder<T>(BuildContext context, List<T> data, DropdownMenuController? controller);
 6 | 
 7 | ///提供空白页面,内容自定义使用
 8 | class DropdownMenuCustomize<T> extends DropdownWidget {
 9 |   final List<T> data;
10 |   final BlankMenuItemBuilder itemBuilder;
11 | 
12 |   const DropdownMenuCustomize({Key? key, required this.data, required this.itemBuilder});
13 | 
14 |   @override
15 |   DropdownState<DropdownWidget> createState() {
16 |     // TODO: implement createState
17 |     return _MenuListState<T>();
18 |   }
19 | }
20 | 
21 | class _MenuListState<T> extends DropdownState<DropdownMenuCustomize<T>> {
22 |   late BlankMenuItemBuilder _itemBuilder;
23 | 
24 |   @override
25 |   void initState() {
26 |     // TODO: implement initState
27 |     super.initState();
28 |     _itemBuilder = widget.itemBuilder;
29 |   }
30 | 
31 |   @override
32 |   Widget build(BuildContext context) {
33 |     // TODO: implement build
34 |     return _itemBuilder(context, widget.data, controller);
35 |   }
36 | 
37 |   @override
38 |   void onEvent(DropdownEvent event) {
39 |     // TODO: implement onEvent
40 |     switch (event) {
41 |       case DropdownEvent.SELECT:
42 |       case DropdownEvent.HIDE:
43 |         {}
44 |         break;
45 |       case DropdownEvent.ACTIVE:
46 |         {}
47 |         break;
48 |     }
49 |   }
50 | }
51 | 


--------------------------------------------------------------------------------
/lib/tool/dropdown_sliver.dart:
--------------------------------------------------------------------------------
 1 | import 'package:flutter/material.dart';
 2 | 
 3 | /// TODO : 特殊滚动页面自定义头部
 4 | /// TODO : 例子 : 滚动后停止
 5 | /// @param
 6 | /// @return
 7 | /// created at 2021/1/11 11:58
 8 | ///
 9 | class DropdownSliverChildBuilderDelegate extends SliverPersistentHeaderDelegate {
10 |   final WidgetBuilder builder;
11 |   final double? maxDefinitionExtent;
12 |   final double? minDefinitionExtent;
13 | 
14 |   const DropdownSliverChildBuilderDelegate({
15 |     required this.builder,
16 |     this.maxDefinitionExtent,
17 |     this.minDefinitionExtent,
18 |   });
19 | 
20 |   @override
21 |   Widget build(BuildContext context, double shrinkOffset, bool overlapsContent) {
22 |     return builder(context);
23 |   }
24 | 
25 |   // TODO: implement maxExtent
26 |   @override
27 |   double get maxExtent => this.maxDefinitionExtent ?? 46.0;
28 | 
29 |   // TODO: implement minExtent
30 |   @override
31 |   double get minExtent => this.minDefinitionExtent ?? 46.0;
32 | 
33 |   @override
34 |   bool shouldRebuild(SliverPersistentHeaderDelegate oldDelegate) {
35 |     return false;
36 |   }
37 | }
38 | 


--------------------------------------------------------------------------------
/lib/tool/templates/build_check_item.dart:
--------------------------------------------------------------------------------
 1 | import 'package:flutter/material.dart';
 2 | import 'package:flutter_custom_dropdown/flutter_custom_dropdown.dart';
 3 | 
 4 | Widget buildCheckItem(BuildContext context, dynamic data, bool selected, String? valueKey) {
 5 |   return new Padding(
 6 |       padding: new EdgeInsets.all(10.0),
 7 |       child: new Row(
 8 |         children: <Widget>[
 9 |           new Text(
10 |             defaultGetItemLabel(data, valueKey),
11 |             style: selected
12 |                 ? new TextStyle(fontSize: 14.0, color: Theme.of(context).primaryColor, fontWeight: FontWeight.w400)
13 |                 : new TextStyle(fontSize: 14.0),
14 |           ),
15 |           new Expanded(
16 |               child: new Align(
17 |             alignment: Alignment.centerRight,
18 |             child: selected
19 |                 ? new Icon(
20 |                     Icons.check,
21 |                     color: Theme.of(context).primaryColor,
22 |                   )
23 |                 : null,
24 |           )),
25 |         ],
26 |       ));
27 | }
28 | 


--------------------------------------------------------------------------------
/pubspec.lock:
--------------------------------------------------------------------------------
  1 | # Generated by pub
  2 | # See https://dart.dev/tools/pub/glossary#lockfile
  3 | packages:
  4 |   async:
  5 |     dependency: transitive
  6 |     description:
  7 |       name: async
  8 |       url: "https://pub.dartlang.org"
  9 |     source: hosted
 10 |     version: "2.8.2"
 11 |   boolean_selector:
 12 |     dependency: transitive
 13 |     description:
 14 |       name: boolean_selector
 15 |       url: "https://pub.dartlang.org"
 16 |     source: hosted
 17 |     version: "2.1.0"
 18 |   characters:
 19 |     dependency: transitive
 20 |     description:
 21 |       name: characters
 22 |       url: "https://pub.dartlang.org"
 23 |     source: hosted
 24 |     version: "1.2.0"
 25 |   charcode:
 26 |     dependency: transitive
 27 |     description:
 28 |       name: charcode
 29 |       url: "https://pub.dartlang.org"
 30 |     source: hosted
 31 |     version: "1.3.1"
 32 |   clock:
 33 |     dependency: transitive
 34 |     description:
 35 |       name: clock
 36 |       url: "https://pub.dartlang.org"
 37 |     source: hosted
 38 |     version: "1.1.0"
 39 |   collection:
 40 |     dependency: transitive
 41 |     description:
 42 |       name: collection
 43 |       url: "https://pub.dartlang.org"
 44 |     source: hosted
 45 |     version: "1.15.0"
 46 |   fake_async:
 47 |     dependency: transitive
 48 |     description:
 49 |       name: fake_async
 50 |       url: "https://pub.dartlang.org"
 51 |     source: hosted
 52 |     version: "1.2.0"
 53 |   flutter:
 54 |     dependency: "direct main"
 55 |     description: flutter
 56 |     source: sdk
 57 |     version: "0.0.0"
 58 |   flutter_test:
 59 |     dependency: "direct dev"
 60 |     description: flutter
 61 |     source: sdk
 62 |     version: "0.0.0"
 63 |   matcher:
 64 |     dependency: transitive
 65 |     description:
 66 |       name: matcher
 67 |       url: "https://pub.dartlang.org"
 68 |     source: hosted
 69 |     version: "0.12.11"
 70 |   material_color_utilities:
 71 |     dependency: transitive
 72 |     description:
 73 |       name: material_color_utilities
 74 |       url: "https://pub.dartlang.org"
 75 |     source: hosted
 76 |     version: "0.1.3"
 77 |   meta:
 78 |     dependency: transitive
 79 |     description:
 80 |       name: meta
 81 |       url: "https://pub.dartlang.org"
 82 |     source: hosted
 83 |     version: "1.7.0"
 84 |   path:
 85 |     dependency: transitive
 86 |     description:
 87 |       name: path
 88 |       url: "https://pub.dartlang.org"
 89 |     source: hosted
 90 |     version: "1.8.0"
 91 |   sky_engine:
 92 |     dependency: transitive
 93 |     description: flutter
 94 |     source: sdk
 95 |     version: "0.0.99"
 96 |   source_span:
 97 |     dependency: transitive
 98 |     description:
 99 |       name: source_span
100 |       url: "https://pub.dartlang.org"
101 |     source: hosted
102 |     version: "1.8.1"
103 |   stack_trace:
104 |     dependency: transitive
105 |     description:
106 |       name: stack_trace
107 |       url: "https://pub.dartlang.org"
108 |     source: hosted
109 |     version: "1.10.0"
110 |   stream_channel:
111 |     dependency: transitive
112 |     description:
113 |       name: stream_channel
114 |       url: "https://pub.dartlang.org"
115 |     source: hosted
116 |     version: "2.1.0"
117 |   string_scanner:
118 |     dependency: transitive
119 |     description:
120 |       name: string_scanner
121 |       url: "https://pub.dartlang.org"
122 |     source: hosted
123 |     version: "1.1.0"
124 |   term_glyph:
125 |     dependency: transitive
126 |     description:
127 |       name: term_glyph
128 |       url: "https://pub.dartlang.org"
129 |     source: hosted
130 |     version: "1.2.0"
131 |   test_api:
132 |     dependency: transitive
133 |     description:
134 |       name: test_api
135 |       url: "https://pub.dartlang.org"
136 |     source: hosted
137 |     version: "0.4.8"
138 |   typed_data:
139 |     dependency: transitive
140 |     description:
141 |       name: typed_data
142 |       url: "https://pub.dartlang.org"
143 |     source: hosted
144 |     version: "1.3.0"
145 |   vector_math:
146 |     dependency: transitive
147 |     description:
148 |       name: vector_math
149 |       url: "https://pub.dartlang.org"
150 |     source: hosted
151 |     version: "2.1.1"
152 | sdks:
153 |   dart: ">=2.14.0 <3.0.0"
154 |   flutter: ">=1.20.0"
155 | 


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/pubspec.yaml:
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 1 | name: flutter_custom_dropdown
 2 | description: This is a custom drop-down plugin developed using pure dart, which can be used for aple drop-down filtering and other functions in the mall.
 3 | version: 0.0.3
 4 | #author: Quietly-20201113<dp18487115313@gmail.com>
 5 | homepage: https://github.com/Quietly-20201113/flutter_custom_dropdown
 6 | 
 7 | environment:
 8 |   sdk: ">=2.12.0 <3.0.0"
 9 |   flutter: ">=1.20.0"
10 | 
11 | dependencies:
12 |   flutter:
13 |     sdk: flutter
14 | 
15 | dev_dependencies:
16 |   flutter_test:
17 |     sdk: flutter
18 | 
19 | # For information on the generic Dart part of this file, see the
20 | # following page: https://dart.dev/tools/pub/pubspec
21 | 
22 | # The following section is specific to Flutter.
23 | flutter:
24 |   # This section identifies this Flutter project as a plugin project.
25 |   # The 'pluginClass' and Android 'package' identifiers should not ordinarily
26 |   # be modified. They are used by the tooling to maintain consistency when
27 |   # adding or updating assets for this project.
28 |   plugin:
29 |     platforms:
30 |       android:
31 |         package: com.example.flutter_custom_dropdown
32 |         pluginClass: FlutterCustomDropdownPlugin
33 |       ios:
34 |         pluginClass: FlutterCustomDropdownPlugin
35 | 
36 |   # To add assets to your plugin package, add an assets section, like this:
37 |   # assets:
38 |   #   - images/a_dot_burr.jpeg
39 |   #   - images/a_dot_ham.jpeg
40 |   #
41 |   # For details regarding assets in packages, see
42 |   # https://flutter.dev/assets-and-images/#from-packages
43 |   #
44 |   # An image asset can refer to one or more resolution-specific "variants", see
45 |   # https://flutter.dev/assets-and-images/#resolution-aware.
46 | 
47 |   # To add custom fonts to your plugin package, add a fonts section here,
48 |   # in this "flutter" section. Each entry in this list should have a
49 |   # "family" key with the font family name, and a "fonts" key with a
50 |   # list giving the asset and other descriptors for the font. For
51 |   # example:
52 |   # fonts:
53 |   #   - family: Schyler
54 |   #     fonts:
55 |   #       - asset: fonts/Schyler-Regular.ttf
56 |   #       - asset: fonts/Schyler-Italic.ttf
57 |   #         style: italic
58 |   #   - family: Trajan Pro
59 |   #     fonts:
60 |   #       - asset: fonts/TrajanPro.ttf
61 |   #       - asset: fonts/TrajanPro_Bold.ttf
62 |   #         weight: 700
63 |   #
64 |   # For details regarding fonts in packages, see
65 |   # https://flutter.dev/custom-fonts/#from-packages
66 | 


--------------------------------------------------------------------------------
/test/flutter_custom_dropdown_test.dart:
--------------------------------------------------------------------------------
1 | 
2 | void main() {
3 | 
4 | }
5 | 


--------------------------------------------------------------------------------