├── .gitignore ├── .metadata ├── README.md ├── android ├── .gitignore ├── app │ ├── build.gradle │ └── src │ │ ├── debug │ │ └── AndroidManifest.xml │ │ ├── main │ │ ├── AndroidManifest.xml │ │ ├── kotlin │ │ │ └── com │ │ │ │ └── nb │ │ │ │ └── flutter_design │ │ │ │ └── MainActivity.kt │ │ └── 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 │ │ └── xcschemes │ │ └── Runner.xcscheme ├── Runner.xcworkspace │ └── contents.xcworkspacedata └── Runner │ ├── AppDelegate.swift │ ├── 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 │ └── Runner-Bridging-Header.h ├── lib ├── constant │ ├── color_const.dart │ ├── page_const.dart │ └── string_const.dart ├── main.dart └── page │ ├── _page.dart │ ├── adapter │ ├── adapter_page.dart │ ├── adapter_target.dart │ └── gun.dart │ ├── bridge │ ├── bridge_mode.dart │ └── bridge_page.dart │ ├── builder │ ├── book.dart │ ├── builder.dart │ ├── builder_page.dart │ └── director.dart │ ├── combination │ ├── combination_mode.dart │ └── combination_page.dart │ ├── command │ ├── command_mode.dart │ └── command_page.dart │ ├── decorator │ ├── decorator_mode.dart │ └── decorator_page.dart │ ├── duty │ ├── duty_mode.dart │ └── duty_page.dart │ ├── facade │ ├── facade_model.dart │ └── facade_page.dart │ ├── factory │ ├── color_concrete.dart │ ├── describe_text.dart │ ├── factory_abstract.dart │ ├── factory_concrete.dart │ ├── factory_page.dart │ └── shape_concrete.dart │ ├── filter │ ├── filter_mode.dart │ └── filter_page.dart │ ├── flyweight │ ├── flyweight_mode.dart │ └── flyweight_page.dart │ ├── home_page.dart │ ├── interpreter │ ├── intepreter_page.dart │ └── interpreter_mode.dart │ ├── iterator │ ├── Iterator_page.dart │ └── iterator_mode.dart │ ├── memory │ ├── memory_mode.dart │ └── memory_page.dart │ ├── midd │ ├── mid_mode.dart │ └── mid_page.dart │ ├── observer │ ├── observer_mode.dart │ └── observer_page.dart │ ├── prototype │ ├── prototype_page.dart │ └── prototype_product.dart │ ├── proxy │ ├── proxy_mode.dart │ └── proxy_page.dart │ ├── single │ ├── single_manager.dart │ └── single_page.dart │ ├── state │ ├── state_mode.dart │ └── state_page.dart │ ├── strategy │ ├── strategy_mode.dart │ └── strategy_page.dart │ └── template │ ├── template_mode.dart │ └── template_page.dart ├── pubspec.lock ├── pubspec.yaml ├── test └── widget_test.dart └── web ├── icons ├── Icon-192.png └── Icon-512.png ├── index.html └── manifest.json /.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 | .dart_tool/ 26 | .flutter-plugins 27 | .flutter-plugins-dependencies 28 | .packages 29 | .pub-cache/ 30 | .pub/ 31 | /build/ 32 | 33 | # Web related 34 | lib/generated_plugin_registrant.dart 35 | 36 | # Exceptions to above rules. 37 | !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages 38 | -------------------------------------------------------------------------------- /.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: fabeb2a16f1d008ab8230f450c49141d35669798 8 | channel: beta 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Flutter 设计模式 2 | 主要是利用Flutter来实现各种设计模式，对设计模式的加深理解 3 | 4 | # 已实现 5 | ### 创造型模式 6 | 1. 工厂/抽象工厂模式 7 | 2. 单例模式 8 | 3. 建造者模式 9 | 4. 原型模式 10 | 11 | ### 结构型模式 12 | 5. 适配器模式 13 | 6. 桥接模式 14 | 7. 过滤器/标准模式 15 | 8. 组合模式 16 | 9. 装饰者模式 17 | 10. 外观/门面模式 18 | 11. 享元模式 19 | 12. 代理模式 20 | 21 | ### 行为型模式 22 | 13. 责任链模式 23 | 14. 命令模式 24 | 15. 解释器模式 25 | 16. 迭代器模式 26 | 17. 中介者模式 27 | 18. 备忘录模式 28 | 19. 观察者模式 29 | 20. 状态模式 30 | 21. 策略模式 31 | 22. 模版模式 -------------------------------------------------------------------------------- /android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | -------------------------------------------------------------------------------- /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 plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion 28 30 | 31 | sourceSets { 32 | main.java.srcDirs += 'src/main/kotlin' 33 | } 34 | 35 | lintOptions { 36 | disable 'InvalidPackage' 37 | } 38 | 39 | defaultConfig { 40 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 41 | applicationId "com.nb.flutter_design" 42 | minSdkVersion 16 43 | targetSdkVersion 28 44 | versionCode flutterVersionCode.toInteger() 45 | versionName flutterVersionName 46 | testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner" 47 | } 48 | 49 | buildTypes { 50 | release { 51 | // TODO: Add your own signing config for the release build. 52 | // Signing with the debug keys for now, so `flutter run --release` works. 53 | signingConfig signingConfigs.debug 54 | } 55 | } 56 | } 57 | 58 | flutter { 59 | source '../..' 60 | } 61 | 62 | dependencies { 63 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 64 | testImplementation 'junit:junit:4.12' 65 | androidTestImplementation 'androidx.test:runner:1.1.1' 66 | androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1' 67 | } 68 | -------------------------------------------------------------------------------- /android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 8 | 12 | 19 | 23 | 27 | 32 | 36 | 37 | 38 | 39 | 40 | 41 | 43 | 46 | 47 | 48 | -------------------------------------------------------------------------------- /android/app/src/main/kotlin/com/nb/flutter_design/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.nb.flutter_design 2 | 3 | import androidx.annotation.NonNull; 4 | import io.flutter.embedding.android.FlutterActivity 5 | import io.flutter.embedding.engine.FlutterEngine 6 | import io.flutter.plugins.GeneratedPluginRegistrant 7 | 8 | class MainActivity: FlutterActivity() { 9 | override fun configureFlutterEngine(@NonNull flutterEngine: FlutterEngine) { 10 | GeneratedPluginRegistrant.registerWith(flutterEngine); 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | jcenter() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:3.5.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | jcenter() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.enableR8=true 3 | android.useAndroidX=true 4 | android.enableJetifier=true 5 | -------------------------------------------------------------------------------- /android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip 7 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def flutterProjectRoot = rootProject.projectDir.parentFile.toPath() 4 | 5 | def plugins = new Properties() 6 | def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins') 7 | if (pluginsFile.exists()) { 8 | pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) } 9 | } 10 | 11 | plugins.each { name, path -> 12 | def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile() 13 | include ":$name" 14 | project(":$name").projectDir = pluginDirectory 15 | } 16 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 8.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /ios/Flutter/Release.xcconfig: 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-------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 39 | 40 | 41 | 42 | 43 | 44 | 54 | 56 | 62 | 63 | 64 | 65 | 66 | 67 | 73 | 75 | 81 | 82 | 83 | 84 | 86 | 87 | 90 | 91 | 92 | -------------------------------------------------------------------------------- /ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import UIKit 2 | import Flutter 3 | 4 | @UIApplicationMain 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /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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https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png -------------------------------------------------------------------------------- /ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md: -------------------------------------------------------------------------------- 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. -------------------------------------------------------------------------------- /ios/Runner/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | flutter_design 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | $(FLUTTER_BUILD_NAME) 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /lib/constant/color_const.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | 3 | /// Created by NieBin on 2020-03-16 4 | /// Github: https://github.com/nb312 5 | /// Email: niebin312@gmail.com 6 | 7 | class ColorConst{ 8 | static const Color WHITE = Colors.white; 9 | 10 | static const Color STATE_COLOR = Colors.white; 11 | static const Color BUTTON_COLOR = Color(0xFF01C2C3); 12 | static const Color BACKGROUND = Colors.black; 13 | static const Color ITEM_BACK = Colors.white; 14 | static const Color TRANSPARENT = Colors.transparent; 15 | 16 | ///背景颜色 17 | static const Color BG_NORMAL = Color(0x1F000000); 18 | static const Color BG_DISABLE = Color(0xFF757575); 19 | static const Color BG_GREY = Color(0xFFF5F5F9); 20 | static const Color BG_GREY_LIGHT = Color(0xFFF7F7F7); 21 | static const Color BG_BLUE = Color(0xFF01C2C3); 22 | static const Color BG_RED = Color(0xFFFF4556); 23 | static const Color BG_LIGHT_BLUE = Color(0xFFEEF9F9); 24 | 25 | ///横线颜色 26 | static const Color LINE_NORMAL = Color(0xFFEEEEEE); 27 | 28 | ///边框颜色 29 | static const Color BORDER_GRAY = Color(0xFFAAAABB); 30 | 31 | ///字体颜色 32 | static const Color TEXT_TITLE = Colors.black; 33 | static const Color TEXT_BLACK = Color(0xFF14151A); 34 | static const Color TEXT_CONTENT = Color(0xFF5A5F6D); 35 | static const Color TEXT_HINT = Color(0x42000000); 36 | static const Color TEXT_WARN = Color(0xFFEF5350); 37 | static const Color TEXT_GRAY_DEEPEN = Color(0xFF5A5F6D); 38 | static const Color TEXT_GRAY = Color(0xFFAAAABB); 39 | static const Color TEXT_BLUE = Color(0xFF01C2C3); 40 | } -------------------------------------------------------------------------------- /lib/constant/page_const.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-16 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | class PageConst { 5 | static const String HOME_PAGE = "/home"; 6 | static const String FACTORY_PAGE = "/factory"; //工厂模式 7 | static const String INSTANCE_PAGE = "/instance"; //单例 8 | static const String BUILD_PAGE = "/build"; //建造者模式 9 | static const String PROTOTYPE_PAGE = "/prototype"; //原型模式 10 | static const String ADAPTER_PAGE = "/adapter"; //适配器模式 11 | static const String BRIDGE_PAGE = "/bridge"; //桥接模式 12 | static const String FILTER_PAGE = "/filter"; //过滤器模式或标准模式 13 | static const String COMPOSITE_PAGE = "/composite"; //组合模式 14 | static const String DECORATOR_PAGE = "/decorator"; //装饰者模式 15 | static const String FACADE_PAGE = "/facade"; //外观模式 16 | static const String FLYWEIGHT_PAGE = "/flyweight"; //享元模式 17 | static const String PROXY_PAGE = "/proxy"; //代理模式 18 | static const String CHAIN_PAGE = "/chain"; //享元模式 19 | static const String COMMAND_PAGE = "/command"; //命令模式 20 | static const String INTERPRETER_PAGE = "/interpreter"; //解释器模式 21 | static const String DUTY_PAGE = "/duty"; //责任链模式 22 | static const String MEDIATOR_PAGE = "/mediator"; //中介者模式 23 | static const String MEMENTO_PAGE = "/memento"; //备忘录模式 24 | static const String OBSERVER_PAGE = "/observer"; //观察者模式 25 | static const String STATE_PAGE = "/state"; //状态模式 26 | static const String NULL_PAGE = "/null"; //空对象模式 27 | static const String STRATEGY_PAGE = "/strategy"; //策略模式 28 | static const String TEMPLATE_PAGE = "/template"; //模版模式 29 | static const String VISITOR_PAGE = "/vistor"; //访问者模式 30 | static const String MVC_PAGE = "/mvc"; //mvc模式 31 | static const String ITERATOR_PAGE = "/iterator"; //迭代器模式 32 | static const String BUSINESS_DELEGATE_PAGE = "/business/delegate"; //模式 33 | } 34 | -------------------------------------------------------------------------------- /lib/constant/string_const.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-16 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | ///字符串常量 5 | class StringConst { 6 | static const String APP_NAME = "设计模式"; 7 | 8 | ///工厂模式 9 | static const String FACTORY_ = "工厂模式"; 10 | 11 | //单例模式 12 | static const String SINGLE_ = "单例模式"; 13 | 14 | //建造者模式 15 | static const String BUILDER_ = "建造者模式"; 16 | 17 | //原型模式 18 | static const String PROTOTYPE_ = "原型模式"; 19 | 20 | //适配器模式 21 | static const String ADAPTER_ = "适配器模式"; 22 | 23 | //桥接模式 24 | static const String BRIDGE_ = "桥接模式"; 25 | 26 | //过滤器/标准模式 27 | static const String FILTER_ = "过滤器/标准模式"; 28 | 29 | //组合模式 30 | static const String COMBINATION_ = "组合模式"; 31 | 32 | //装饰者模式 33 | static const String DECORATOR_ = "装饰者模式"; 34 | 35 | //外观模式 36 | static const String FACADE_ = "外观模式"; 37 | 38 | //享元模式 39 | static const String FLYWEIGHT_ = "享元模式"; 40 | 41 | //享元模式 42 | static const String PROXY_ = "代理模式"; 43 | 44 | //享元模式 45 | static const String DUTY_ = "责任链模式"; 46 | 47 | //命令模式 48 | static const String COMMAND_ = "命令模式"; 49 | 50 | //解释器模式 51 | static const String INTERPRETER_ = "解释器模式"; 52 | 53 | //迭代器模式 54 | static const String ITERATOR_ = "迭代器模式"; 55 | 56 | //迭代器模式 57 | static const String MID_ = "中介者模式"; 58 | 59 | //备忘录模式 60 | static const String MEMORY_ = "备忘录模式"; 61 | 62 | //观察者模式 63 | static const String OBSERVER_ = "观察者模式"; 64 | 65 | //状态模式 66 | static const String STATE_ = "状态模式"; 67 | 68 | //策略模式 69 | static const String STRATEGY_ = "策略模式"; 70 | 71 | //模版模式 72 | static const String TEMPLATE_ = "模版模式"; 73 | } 74 | -------------------------------------------------------------------------------- /lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/adapter/adapter_page.dart'; 4 | import 'package:flutter_design/page/bridge/bridge_page.dart'; 5 | import 'package:flutter_design/page/combination/combination_page.dart'; 6 | import 'package:flutter_design/page/command/command_page.dart'; 7 | import 'package:flutter_design/page/decorator/decorator_page.dart'; 8 | import 'package:flutter_design/page/duty/duty_page.dart'; 9 | import 'package:flutter_design/page/facade/facade_page.dart'; 10 | import 'package:flutter_design/page/filter/filter_page.dart'; 11 | import 'package:flutter_design/page/flyweight/flyweight_page.dart'; 12 | import 'package:flutter_design/page/interpreter/intepreter_page.dart'; 13 | import 'package:flutter_design/page/iterator/Iterator_page.dart'; 14 | import 'package:flutter_design/page/memory/memory_page.dart'; 15 | import 'package:flutter_design/page/midd/mid_page.dart'; 16 | import 'package:flutter_design/page/observer/observer_page.dart'; 17 | import 'package:flutter_design/page/proxy/proxy_page.dart'; 18 | import 'package:flutter_design/page/state/state_page.dart'; 19 | import 'package:flutter_design/page/strategy/strategy_page.dart'; 20 | import 'package:flutter_design/page/template/template_page.dart'; 21 | 22 | import 'constant/page_const.dart'; 23 | import 'constant/string_const.dart'; 24 | import 'page/_page.dart'; 25 | 26 | ///{link https://www.runoob.com/design-pattern/design-pattern-tutorial.html} 27 | void main() => runApp(MyApp()); 28 | 29 | class MyApp extends StatelessWidget { 30 | // This widget is the root of your application. 31 | @override 32 | Widget build(BuildContext context) { 33 | return MaterialApp( 34 | title: StringConst.APP_NAME, 35 | theme: ThemeData( 36 | primarySwatch: Colors.blue, 37 | ), 38 | home: HomePage(), 39 | routes: { 40 | PageConst.FACTORY_PAGE: (context) => FactoryPage(), 41 | PageConst.INSTANCE_PAGE: (context) => SinglePage(), 42 | PageConst.BUILD_PAGE: (context) => BuilderPage(), 43 | PageConst.PROTOTYPE_PAGE: (context) => PrototypePage(), 44 | PageConst.ADAPTER_PAGE: (context) => AdapterPage(), 45 | PageConst.BRIDGE_PAGE: (context) => BridgePage(), 46 | PageConst.FILTER_PAGE: (context) => FilterPage(), 47 | PageConst.COMPOSITE_PAGE: (context) => CombinationPage(), 48 | PageConst.DECORATOR_PAGE: (context) => DecoratorPage(), 49 | PageConst.FACADE_PAGE: (context) => FacadePage(), 50 | PageConst.FLYWEIGHT_PAGE: (context) => FlyweightPage(), 51 | PageConst.PROXY_PAGE: (context) => ProxyPage(), 52 | PageConst.DUTY_PAGE: (context) => DutyPage(), 53 | PageConst.COMMAND_PAGE: (context) => CommandPage(), 54 | PageConst.INTERPRETER_PAGE: (context) => InterpreterPage(), 55 | PageConst.ITERATOR_PAGE: (context) => IteratorPage(), 56 | PageConst.MEDIATOR_PAGE: (context) => MidPage(), 57 | PageConst.MEMENTO_PAGE: (context) => MemoryPage(), 58 | PageConst.OBSERVER_PAGE: (context) => ObserverPage(), 59 | PageConst.STATE_PAGE: (context) => StatePage(), 60 | PageConst.STRATEGY_PAGE: (context) => StrategyPage(), 61 | PageConst.TEMPLATE_PAGE: (context) => TemplatePage(), 62 | }, 63 | ); 64 | } 65 | } 66 | -------------------------------------------------------------------------------- /lib/page/_page.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-16 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | export "factory/factory_page.dart"; 5 | export 'home_page.dart'; 6 | export 'single/single_page.dart'; 7 | export 'builder/builder_page.dart'; 8 | export 'prototype/prototype_page.dart'; 9 | -------------------------------------------------------------------------------- /lib/page/adapter/adapter_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/adapter/adapter_target.dart'; 4 | import 'package:flutter_design/page/adapter/gun.dart'; 5 | 6 | /// Created by NieBin on 2020-03-18 7 | /// Github: https://github.com/nb312 8 | /// Email: niebin312@gmail.com 9 | 10 | class AdapterPage extends StatefulWidget { 11 | @override 12 | _AdapterPageState createState() => _AdapterPageState(); 13 | } 14 | 15 | class _AdapterPageState extends State { 16 | @override 17 | Widget build(BuildContext context) { 18 | ITarget target = Adapter(); 19 | return Scaffold( 20 | appBar: AppBar( 21 | title: Text(StringConst.ADAPTER_), 22 | ), 23 | body: Container( 24 | child: Column( 25 | children: [ 26 | Text("接口adapter模式"), 27 | Container( 28 | color: Colors.grey, 29 | child: Padding( 30 | padding: const EdgeInsets.symmetric(horizontal: 20), 31 | child: Text( 32 | "适配内容 :${target.string()}", 33 | style: TextStyle( 34 | fontSize: 30, 35 | color: Colors.orange, 36 | fontWeight: FontWeight.bold), 37 | ), 38 | ), 39 | ), 40 | SizedBox(height: 20), 41 | Text("对象adapter模式"), 42 | FlatButton( 43 | color: Colors.redAccent, 44 | child: Padding( 45 | padding: const EdgeInsets.all(20.0), 46 | child: Text("点击看看log"), 47 | ), 48 | onPressed: () { 49 | //正常 50 | Gun gun = Gun(); 51 | gun.mode = OldMode(); 52 | gun.fire(); 53 | //适配器 54 | ModeAdapter adapter = ModeAdapter(); 55 | adapter.newMode = NewMode(); 56 | gun.mode = adapter; 57 | gun.fire(); 58 | }, 59 | ) 60 | ], 61 | ), 62 | ), 63 | ); 64 | } 65 | } 66 | -------------------------------------------------------------------------------- /lib/page/adapter/adapter_target.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-18 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | ///适配对象 5 | class Adaptee { 6 | String oldStr() { 7 | return "I come from old system,\nI donot know your language"; 8 | } 9 | } 10 | 11 | //常规使用 12 | abstract class ITarget { 13 | String string(); 14 | } 15 | 16 | class Adapter extends Adaptee implements ITarget { 17 | @override 18 | String string() { 19 | return oldStr(); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /lib/page/adapter/gun.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-20 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | /// 以下主要对象适配器的实例 5 | abstract class IOldMode { 6 | void fire(); 7 | } 8 | 9 | class OldMode implements IOldMode { 10 | @override 11 | void fire() { 12 | print("发射20mm子弹"); 13 | } 14 | } 15 | 16 | abstract class INewMode { 17 | void newFire(); 18 | } 19 | 20 | class NewMode implements INewMode { 21 | @override 22 | void newFire() { 23 | print("发射两米长的大菜刀"); 24 | } 25 | } 26 | 27 | class ModeAdapter implements IOldMode { 28 | INewMode _mode; 29 | 30 | set newMode(INewMode mode) => _mode = mode; 31 | 32 | @override 33 | void fire() { 34 | _mode.newFire(); 35 | } 36 | } 37 | 38 | class Gun { 39 | IOldMode _mode; 40 | 41 | set mode(IOldMode mode) => _mode = mode; 42 | 43 | void fire() { 44 | _mode.fire(); 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /lib/page/bridge/bridge_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-20 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class ITransmission { 5 | void gear(); 6 | } 7 | 8 | abstract class ICar { 9 | ITransmission _transmission; 10 | 11 | set transmission(ITransmission transmission) { 12 | _transmission = transmission; 13 | } 14 | 15 | void run(); 16 | } 17 | 18 | class SmallCar extends ICar { 19 | @override 20 | void run() { 21 | _transmission.gear(); 22 | print("启动小车"); 23 | } 24 | } 25 | 26 | class LargeCar extends ICar { 27 | @override 28 | void run() { 29 | _transmission.gear(); 30 | print("启动大车"); 31 | } 32 | } 33 | 34 | class AutoTrans implements ITransmission { 35 | @override 36 | void gear() { 37 | print("切换到自动带"); 38 | } 39 | } 40 | 41 | class ManualTrans implements ITransmission { 42 | @override 43 | void gear() { 44 | print("切换到手动档"); 45 | } 46 | } 47 | -------------------------------------------------------------------------------- /lib/page/bridge/bridge_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/bridge/bridge_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-03-20 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class BridgePage extends StatefulWidget { 10 | @override 11 | _BridgePageState createState() => _BridgePageState(); 12 | } 13 | 14 | class _BridgePageState extends State { 15 | @override 16 | Widget build(BuildContext context) { 17 | return Scaffold( 18 | appBar: AppBar( 19 | title: Text(StringConst.BRIDGE_), 20 | ), 21 | body: Container( 22 | child: Column( 23 | mainAxisAlignment: MainAxisAlignment.start, 24 | crossAxisAlignment: CrossAxisAlignment.center, 25 | children: [ 26 | Text("演示桥接模式"), 27 | FlatButton( 28 | color: Colors.brown, 29 | child: Padding( 30 | padding: const EdgeInsets.all(8.0), 31 | child: Text("启动小车"), 32 | ), 33 | onPressed: () { 34 | /// 35 | ICar small = SmallCar(); 36 | small.transmission = AutoTrans(); 37 | small.run(); 38 | }, 39 | ), 40 | SizedBox( 41 | height: 20, 42 | ), 43 | FlatButton( 44 | color: Colors.brown, 45 | child: Padding( 46 | padding: const EdgeInsets.all(8.0), 47 | child: Text("启动大车"), 48 | ), 49 | onPressed: () { 50 | /// 51 | ICar large = LargeCar(); 52 | large.transmission = ManualTrans(); 53 | large.run(); 54 | }, 55 | ) 56 | ], 57 | ), 58 | ), 59 | ); 60 | } 61 | } 62 | -------------------------------------------------------------------------------- /lib/page/builder/book.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-17 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | class Book { 5 | String name; 6 | String content; 7 | int page; 8 | String author; 9 | String date; 10 | String address; 11 | String businessName; 12 | String phone; 13 | } 14 | -------------------------------------------------------------------------------- /lib/page/builder/builder.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_design/page/builder/book.dart'; 2 | 3 | /// Created by NieBin on 2020-03-17 4 | /// Github: https://github.com/nb312 5 | /// Email: niebin312@gmail.com 6 | /// 7 | abstract class IBuilder { 8 | set name(String name); 9 | 10 | set page(int page); 11 | 12 | set address(String address); 13 | 14 | set phone(String phone); 15 | 16 | set date(String date); 17 | 18 | set content(String content); 19 | 20 | set author(String author); 21 | 22 | set businessName(String business); 23 | 24 | Book build(); 25 | } 26 | 27 | class DuBuilder implements IBuilder { 28 | Book _book = Book(); 29 | 30 | @override 31 | set address(String address) => _book.address = "$address"; 32 | 33 | @override 34 | set author(String author) => _book.author = "独家-$author"; 35 | 36 | @override 37 | Book build() => _book; 38 | 39 | @override 40 | set businessName(String business) => _book.businessName = business; 41 | 42 | @override 43 | set date(String date) => _book.date = date; 44 | 45 | @override 46 | set name(String name) => _book.name = name; 47 | 48 | @override 49 | set page(int page) => _book.page = page; 50 | 51 | @override 52 | set phone(String phone) => _book.phone = phone; 53 | 54 | @override 55 | set content(String content) { 56 | _book.content = "独家制作书籍，非卖品\n"; 57 | _book.content += content; 58 | _book.content += "\n独家感谢你的阅读"; 59 | } 60 | } 61 | -------------------------------------------------------------------------------- /lib/page/builder/builder_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/builder/builder.dart'; 4 | import 'package:flutter_design/page/builder/director.dart'; 5 | 6 | /// Created by NieBin on 2020-03-17 7 | /// Github: https://github.com/nb312 8 | /// Email: niebin312@gmail.com 9 | class BuilderPage extends StatefulWidget { 10 | @override 11 | _BuilderPageState createState() => _BuilderPageState(); 12 | } 13 | 14 | class _BuilderPageState extends State { 15 | IBuilder _builder = DuBuilder(); 16 | BusinessDirector _director; 17 | 18 | @override 19 | Widget build(BuildContext context) { 20 | if (_director == null) { 21 | _director = BusinessDirector(_builder); 22 | } 23 | return Scaffold( 24 | appBar: AppBar( 25 | title: Text(StringConst.BUILDER_), 26 | ), 27 | body: Container( 28 | child: Center( 29 | child: Text( 30 | _director.publish( 31 | "《春风20里》", 32 | "春回大地，万物复苏，又是一个可以做自己爱做的事情", 33 | "东边的小草", 34 | 1, 35 | "北国的最南端", 36 | "1234321", 37 | "月球出版社", 38 | ), 39 | ), 40 | ), 41 | ), 42 | ); 43 | } 44 | } 45 | -------------------------------------------------------------------------------- /lib/page/builder/director.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_design/page/builder/builder.dart'; 2 | 3 | import 'book.dart'; 4 | 5 | /// Created by NieBin on 2020-03-17 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | ///排布build进行书籍书写 9 | class BusinessDirector { 10 | IBuilder _builder; 11 | 12 | BusinessDirector(this._builder); 13 | 14 | String publish( 15 | String name, 16 | String content, 17 | String author, 18 | int page, 19 | String address, 20 | String phone, 21 | String businessName, 22 | ) { 23 | _builder 24 | ..name = name 25 | ..author = author 26 | ..page = page 27 | ..address = address 28 | ..phone = phone 29 | ..content = content 30 | ..businessName = businessName; 31 | Book book = _builder.build(); 32 | String b = "开始发布\n"; 33 | b += "书名: ${book.name}\n"; 34 | b += "作者: ${book.author}\n"; 35 | b += "出版社名称:${book.businessName}\n"; 36 | b += "地址:${book.address}\n"; 37 | b += "电话:${book.phone}\n"; 38 | b += "书内容: \n${book.content}\n"; 39 | return b; 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /lib/page/combination/combination_mode.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | 3 | /// Created by NieBin on 2020-03-23 4 | /// Github: https://github.com/nb312 5 | /// Email: niebin312@gmail.com 6 | 7 | class Tree { 8 | double length; 9 | double radius; 10 | List _subTrees; 11 | double depth; 12 | String name; 13 | 14 | Tree( 15 | this.name, 16 | this.length, 17 | this.radius, 18 | this.depth, 19 | ) { 20 | _subTrees = List(); 21 | } 22 | 23 | void addTree(Tree tree) { 24 | _subTrees?.add(tree); 25 | } 26 | 27 | void remove(Tree tree) { 28 | _subTrees?.remove(tree); 29 | } 30 | 31 | List get subTrees => _subTrees; 32 | 33 | @override 34 | String toString() { 35 | return "Tree(length:$length,rradius:$radius,depth:$depth) \n subTree.count=${_subTrees.length}"; 36 | } 37 | } 38 | 39 | abstract class File { 40 | String name; 41 | 42 | File(this.name); 43 | 44 | void display(); 45 | } 46 | 47 | class Folder extends File { 48 | List _files; 49 | 50 | Folder(String name) : super(name) { 51 | _files = List(); 52 | } 53 | 54 | void add(File file) { 55 | _files.add(file); 56 | } 57 | 58 | void remove(File file) { 59 | _files.remove(file); 60 | } 61 | 62 | @override 63 | void display() { 64 | print("This is folder: $name"); 65 | for (File f in _files) { 66 | f.display(); 67 | } 68 | } 69 | } 70 | 71 | class TextFile extends File { 72 | TextFile(String name) : super(name); 73 | 74 | @override 75 | void display() { 76 | debugPrint("This is text file: $name"); 77 | } 78 | } 79 | 80 | class JpgFile extends File { 81 | JpgFile(String name) : super(name); 82 | 83 | @override 84 | void display() { 85 | debugPrint("This is jpg file: $name"); 86 | } 87 | } 88 | 89 | class VideoFile extends File { 90 | VideoFile(String name) : super(name); 91 | 92 | @override 93 | void display() { 94 | debugPrint("This is video file: $name"); 95 | } 96 | } 97 | -------------------------------------------------------------------------------- /lib/page/combination/combination_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/combination/combination_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-03-23 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class CombinationPage extends StatefulWidget { 10 | @override 11 | _CombinationPageState createState() => _CombinationPageState(); 12 | } 13 | 14 | class _CombinationPageState extends State { 15 | Tree root; 16 | 17 | @override 18 | void initState() { 19 | initData(); 20 | super.initState(); 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return Scaffold( 26 | appBar: AppBar( 27 | title: Text(StringConst.COMBINATION_), 28 | ), 29 | body: Container( 30 | child: SingleChildScrollView( 31 | child: Column( 32 | children: _items(), 33 | ), 34 | ), 35 | ), 36 | floatingActionButton: FloatingActionButton( 37 | onPressed: () { 38 | Folder folder = Folder("设计文档"); 39 | File txtFile = TextFile("readme.txt"); 40 | File jpg = JpgFile("切图.jpg"); 41 | File video = VideoFile("交互动画.mp4"); 42 | 43 | folder.add(txtFile); 44 | folder.add(jpg); 45 | folder.add(video); 46 | folder.display(); 47 | }, 48 | child: Icon(Icons.refresh), 49 | ), 50 | ); 51 | } 52 | 53 | List _items() { 54 | List list = List(); 55 | list.add(_branchItem(root)); 56 | for (Tree tree in root.subTrees) { 57 | list.add(Divider( 58 | color: Colors.blue, 59 | )); 60 | list.add(_branchItem(tree)); 61 | } 62 | return list; 63 | } 64 | 65 | Widget _branchItem(Tree tree) => Container( 66 | child: Column( 67 | children: [ 68 | Text("分支名: ${tree.name}"), 69 | Text("长度: ${tree.length}"), 70 | Text("有多粗: ${tree.radius}"), 71 | Text("深度: ${tree.depth}"), 72 | ], 73 | ), 74 | ); 75 | 76 | void initData() { 77 | root = Tree("Root", 100, 10, 0); 78 | for (int i = 0; i < 10; i++) { 79 | root.addTree(Tree("Branch$i", 50, 5, 1)); 80 | } 81 | print("Root:${root.toString()}"); 82 | } 83 | } 84 | -------------------------------------------------------------------------------- /lib/page/command/command_mode.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | 3 | /// Created by NieBin on 2020-03-31 4 | /// Github: https://github.com/nb312 5 | /// Email: niebin312@gmail.com 6 | //接收角色 7 | class AudioPlayer { 8 | void play() { 9 | debugPrint("播放音乐"); 10 | } 11 | 12 | void stop() { 13 | debugPrint("停止播放音乐"); 14 | } 15 | 16 | void pause() { 17 | debugPrint("暂停播放音乐"); 18 | } 19 | 20 | void nextPlay() { 21 | debugPrint("播放下一首"); 22 | } 23 | } 24 | 25 | //命令角色 26 | abstract class Command { 27 | void execute(); 28 | } 29 | 30 | class PlayCommand implements Command { 31 | AudioPlayer player; 32 | 33 | PlayCommand(this.player); 34 | 35 | @override 36 | void execute() { 37 | player?.play(); 38 | } 39 | } 40 | 41 | class StopCommand implements Command { 42 | AudioPlayer player; 43 | 44 | StopCommand(this.player); 45 | 46 | @override 47 | void execute() { 48 | player?.stop(); 49 | } 50 | } 51 | 52 | class PauseCommand implements Command { 53 | AudioPlayer player; 54 | 55 | PauseCommand(this.player); 56 | 57 | @override 58 | void execute() { 59 | player?.pause(); 60 | } 61 | } 62 | 63 | class NextCommand implements Command { 64 | AudioPlayer player; 65 | 66 | NextCommand(this.player); 67 | 68 | @override 69 | void execute() { 70 | player?.nextPlay(); 71 | } 72 | } 73 | 74 | //手势调用命令 75 | class PointerInvoker { 76 | Command _command; 77 | 78 | set command(Command command) => _command = command; 79 | 80 | void execute() { 81 | _command.execute(); 82 | } 83 | } 84 | -------------------------------------------------------------------------------- /lib/page/command/command_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/command/command_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-03-31 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class CommandPage extends StatefulWidget { 10 | @override 11 | _CommandPageState createState() => _CommandPageState(); 12 | } 13 | 14 | class _CommandPageState extends State { 15 | AudioPlayer _player; 16 | 17 | @override 18 | initState() { 19 | super.initState(); 20 | _player = AudioPlayer(); 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return Scaffold( 26 | appBar: AppBar( 27 | title: Text(StringConst.COMMAND_), 28 | ), 29 | body: Container( 30 | alignment: Alignment.center, 31 | child: Row( 32 | crossAxisAlignment: CrossAxisAlignment.center, 33 | mainAxisAlignment: MainAxisAlignment.center, 34 | children: [ 35 | _button( 36 | icon: Icons.pause, 37 | callback: () { 38 | PointerInvoker invoker = PointerInvoker(); 39 | invoker.command = PauseCommand(_player); 40 | invoker.execute(); 41 | }, 42 | color: Colors.red), 43 | _button( 44 | icon: Icons.stop, 45 | callback: () { 46 | PointerInvoker invoker = PointerInvoker(); 47 | invoker.command = StopCommand(_player); 48 | invoker.execute(); 49 | }, 50 | color: Colors.red), 51 | _button( 52 | icon: Icons.play_arrow, 53 | callback: () { 54 | PointerInvoker invoker = PointerInvoker(); 55 | invoker.command = PlayCommand(_player); 56 | invoker.execute(); 57 | }, 58 | color: Colors.red), 59 | _button( 60 | icon: Icons.skip_next, 61 | callback: () { 62 | PointerInvoker invoker = PointerInvoker(); 63 | invoker.command = NextCommand(_player); 64 | invoker.execute(); 65 | }, 66 | color: Colors.green), 67 | ], 68 | ), 69 | ), 70 | ); 71 | } 72 | 73 | Widget _button({ 74 | IconData icon, 75 | VoidCallback callback, 76 | Color color = Colors.white, 77 | }) => 78 | FlatButton( 79 | color: color, 80 | child: Padding( 81 | padding: const EdgeInsets.all(10.0), 82 | child: Icon( 83 | icon, 84 | size: 30, 85 | ), 86 | ), 87 | onPressed: callback, 88 | shape: CircleBorder(), 89 | ); 90 | } 91 | -------------------------------------------------------------------------------- /lib/page/decorator/decorator_mode.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | 3 | /// Created by NieBin on 2020-03-24 4 | /// Github: https://github.com/nb312 5 | /// Email: niebin312@gmail.com 6 | /// 7 | 8 | abstract class Building { 9 | String decorate(); 10 | } 11 | 12 | class Paint implements Building { 13 | final Building building; 14 | 15 | Paint(this.building); 16 | 17 | @override 18 | String decorate() { 19 | return "1.${building.decorate()}"; 20 | } 21 | } 22 | 23 | ///商业建筑 24 | class BusinessBuilding extends Building { 25 | @override 26 | String decorate() { 27 | return "装修商业楼"; 28 | } 29 | } 30 | 31 | ///居民楼 32 | class PersonBuilding extends Building { 33 | @override 34 | String decorate() { 35 | return "装修居民楼"; 36 | } 37 | } 38 | 39 | class RedPaint extends Paint { 40 | RedPaint(Building building) : super(building); 41 | 42 | @override 43 | String decorate() { 44 | return "${super.decorate()}\n 2.粉刷为红色"; 45 | } 46 | } 47 | 48 | class GreenPaint extends Paint { 49 | GreenPaint(Building building) : super(building); 50 | 51 | @override 52 | String decorate() { 53 | return "${super.decorate()}\n 2.粉刷为绿色"; 54 | } 55 | } 56 | -------------------------------------------------------------------------------- /lib/page/decorator/decorator_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/decorator/decorator_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-03-24 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class DecoratorPage extends StatefulWidget { 10 | @override 11 | _DecoratorPageState createState() => _DecoratorPageState(); 12 | } 13 | 14 | class _DecoratorPageState extends State { 15 | String businessStr = ""; 16 | String personStr = ""; 17 | 18 | bool isPersonEven = false; 19 | bool isBusinessEven = false; 20 | 21 | @override 22 | Widget build(BuildContext context) { 23 | return Scaffold( 24 | appBar: AppBar( 25 | title: Text(StringConst.DECORATOR_), 26 | ), 27 | body: Container( 28 | color: Colors.white, 29 | child: Row( 30 | children: [ 31 | Expanded( 32 | child: Column( 33 | mainAxisAlignment: MainAxisAlignment.center, 34 | children: [ 35 | Text( 36 | "$businessStr", 37 | style: TextStyle( 38 | color: isBusinessEven ? Colors.red : Colors.green, 39 | fontSize: 20, 40 | fontWeight: FontWeight.bold, 41 | ), 42 | ), 43 | SizedBox( 44 | height: 20, 45 | ), 46 | FlatButton( 47 | color: Colors.brown, 48 | onPressed: () { 49 | setState(() { 50 | isBusinessEven = !isBusinessEven; 51 | Paint p = isBusinessEven 52 | ? RedPaint(BusinessBuilding()) 53 | : GreenPaint(BusinessBuilding()); 54 | businessStr = p.decorate(); 55 | }); 56 | }, 57 | child: Text( 58 | "装修商业楼", 59 | style: TextStyle(color: Colors.white), 60 | ), 61 | ) 62 | ], 63 | ), 64 | ), 65 | Expanded( 66 | child: Column( 67 | mainAxisAlignment: MainAxisAlignment.center, 68 | children: [ 69 | Text( 70 | "$personStr", 71 | style: TextStyle( 72 | color: isPersonEven ? Colors.red : Colors.green, 73 | fontSize: 20, 74 | fontWeight: FontWeight.bold, 75 | ), 76 | ), 77 | SizedBox( 78 | height: 20, 79 | ), 80 | FlatButton( 81 | color: Colors.brown, 82 | onPressed: () { 83 | setState(() { 84 | isPersonEven = !isPersonEven; 85 | Paint p = isPersonEven 86 | ? RedPaint(PersonBuilding()) 87 | : GreenPaint(PersonBuilding()); 88 | personStr = p.decorate(); 89 | }); 90 | }, 91 | child: Text( 92 | "装修居民楼", 93 | style: TextStyle(color: Colors.white), 94 | ), 95 | ) 96 | ], 97 | ), 98 | ), 99 | ], 100 | ), 101 | ), 102 | ); 103 | } 104 | } 105 | -------------------------------------------------------------------------------- /lib/page/duty/duty_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-30 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | class MessageModel { 5 | final String message; 6 | final int level; 7 | 8 | MessageModel(this.message, this.level); 9 | } 10 | 11 | abstract class IHandler { 12 | static const int LEVEL_ONE = 1; 13 | static const int LEVEL_TWO = 2; 14 | static const int LEVEL_THREE = 3; 15 | int level = LEVEL_ONE; 16 | IHandler _nextHandler; 17 | 18 | IHandler(this.level); 19 | 20 | set nextHandler(IHandler handler) => _nextHandler = handler; 21 | 22 | void sendMessage(MessageModel model); 23 | 24 | void hand(MessageModel model) { 25 | if (model.level == level) { 26 | this.sendMessage(model); 27 | } else { 28 | if (_nextHandler != null) { 29 | print("正在发送到下一级"); 30 | _nextHandler.hand(model); 31 | } else { 32 | //实在找不到人，先改下 33 | print("已经到达顶级了"); 34 | this.sendMessage(model); 35 | } 36 | } 37 | } 38 | } 39 | 40 | class EarthHandler extends IHandler { 41 | EarthHandler() : super(IHandler.LEVEL_ONE); 42 | 43 | @override 44 | void sendMessage(MessageModel model) { 45 | print("我是地球，我已经收到: ${model.message}"); 46 | } 47 | } 48 | 49 | class MoonHandler extends IHandler { 50 | MoonHandler() : super(IHandler.LEVEL_TWO); 51 | 52 | @override 53 | void sendMessage(MessageModel model) { 54 | print("我是月亮，我已经收到: ${model.message}"); 55 | } 56 | } 57 | 58 | class SunHandler extends IHandler { 59 | SunHandler() : super(IHandler.LEVEL_THREE); 60 | 61 | @override 62 | void sendMessage(MessageModel model) { 63 | print("我是太阳，我已经收到: ${model.message}"); 64 | } 65 | } 66 | -------------------------------------------------------------------------------- /lib/page/duty/duty_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | import 'package:flutter/material.dart'; 3 | import 'package:flutter_design/constant/string_const.dart'; 4 | import 'package:flutter_design/page/duty/duty_mode.dart'; 5 | 6 | /// Created by NieBin on 2020-03-30 7 | /// Github: https://github.com/nb312 8 | /// Email: niebin312@gmail.com 9 | 10 | class DutyPage extends StatefulWidget { 11 | @override 12 | _DutyPageState createState() => _DutyPageState(); 13 | } 14 | 15 | class _DutyPageState extends State { 16 | IHandler _handler; 17 | 18 | @override 19 | Widget build(BuildContext context) { 20 | return Scaffold( 21 | appBar: AppBar( 22 | title: Text(StringConst.DUTY_), 23 | ), 24 | body: Container( 25 | constraints: BoxConstraints.expand(), 26 | child: Column( 27 | crossAxisAlignment: CrossAxisAlignment.center, 28 | mainAxisAlignment: MainAxisAlignment.center, 29 | children: [ 30 | FlatButton( 31 | onPressed: () { 32 | if (_handler == null) { 33 | _handler = EarthHandler(); 34 | IHandler moon = MoonHandler(); 35 | 36 | IHandler sun = SunHandler(); 37 | moon.nextHandler = sun; 38 | _handler.nextHandler = moon; 39 | print("初始化成功"); 40 | } else { 41 | print("你已经初始化"); 42 | } 43 | }, 44 | color: Colors.yellow, 45 | child: Padding( 46 | padding: const EdgeInsets.all(10.0), 47 | child: Text("初始化"), 48 | ), 49 | ), 50 | SizedBox(height: 10), 51 | FlatButton( 52 | onPressed: () { 53 | MessageModel model = MessageModel("我爱地球", IHandler.LEVEL_ONE); 54 | _handler.hand(model); 55 | }, 56 | color: Colors.green, 57 | child: Text("发送信息给地球"), 58 | ), 59 | SizedBox(height: 10), 60 | FlatButton( 61 | onPressed: () { 62 | MessageModel model = MessageModel("我爱月球", IHandler.LEVEL_TWO); 63 | _handler.hand(model); 64 | }, 65 | color: Colors.blueGrey, 66 | child: Text("发送信息给月亮"), 67 | ), 68 | SizedBox(height: 10), 69 | FlatButton( 70 | onPressed: () { 71 | MessageModel model = 72 | MessageModel("我爱太阳", IHandler.LEVEL_THREE); 73 | _handler.hand(model); 74 | }, 75 | color: Colors.red, 76 | child: Text("发送信息给太阳"), 77 | ), 78 | ], 79 | )), 80 | ); 81 | } 82 | } 83 | -------------------------------------------------------------------------------- /lib/page/facade/facade_model.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-25 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class IOTObject { 5 | void open(); 6 | } 7 | 8 | class Light implements IOTObject { 9 | @override 10 | void open() { 11 | print("打开智能灯"); 12 | } 13 | } 14 | 15 | class TV implements IOTObject { 16 | @override 17 | void open() { 18 | print("打开智能电视"); 19 | } 20 | } 21 | 22 | class Door implements IOTObject { 23 | @override 24 | void open() { 25 | print("打开智能门"); 26 | } 27 | } 28 | 29 | class FacadeManager { 30 | FacadeManager._(); 31 | 32 | static FacadeManager _instance; 33 | 34 | static FacadeManager get instance => _getInstance(); 35 | 36 | static FacadeManager _getInstance() { 37 | if (_instance == null) { 38 | _instance = FacadeManager._(); 39 | } 40 | return _instance; 41 | } 42 | 43 | void open() { 44 | IOTObject light = Light(); 45 | IOTObject tv = TV(); 46 | IOTObject door = Door(); 47 | light.open(); 48 | tv.open(); 49 | door.open(); 50 | } 51 | } 52 | -------------------------------------------------------------------------------- /lib/page/facade/facade_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/facade/facade_model.dart'; 4 | 5 | /// Created by NieBin on 2020-03-25 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class FacadePage extends StatefulWidget { 10 | @override 11 | _FacadePageState createState() => _FacadePageState(); 12 | } 13 | 14 | class _FacadePageState extends State { 15 | @override 16 | Widget build(BuildContext context) { 17 | return Scaffold( 18 | appBar: AppBar( 19 | title: Text(StringConst.FACADE_), 20 | ), 21 | body: Center( 22 | child: FlatButton( 23 | color: Colors.brown, 24 | onPressed: () { 25 | FacadeManager.instance.open(); 26 | }, 27 | child: Padding( 28 | padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), 29 | child: Text("紫妈开门"), 30 | ), 31 | ), 32 | ), 33 | ); 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /lib/page/factory/color_concrete.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-16 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | 5 | abstract class IColor { 6 | void fill(); 7 | } 8 | 9 | class Red implements IColor { 10 | @override 11 | void fill() { 12 | print("this color is Red"); 13 | } 14 | } 15 | 16 | class Green implements IColor { 17 | @override 18 | void fill() { 19 | print("this color is Green"); 20 | } 21 | } 22 | 23 | class Yellow implements IColor { 24 | @override 25 | void fill() { 26 | print("this color is Yellow"); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /lib/page/factory/describe_text.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/color_const.dart'; 3 | 4 | /// Created by NieBin on 2020-03-16 5 | /// Github: https://github.com/nb312 6 | /// Email: niebin312@gmail. 7 | // 8 | abstract class IPlatformDescribeText { 9 | Widget text(String content); 10 | } 11 | 12 | class AndroidDescribeText implements IPlatformDescribeText { 13 | @override 14 | Widget text(String content) => Card( 15 | child: Center( 16 | child: Text( 17 | content, 18 | style: TextStyle( 19 | fontSize: 16, color: Colors.green, fontWeight: FontWeight.bold), 20 | ), 21 | ), 22 | ); 23 | } 24 | 25 | class IosDescribeText implements IPlatformDescribeText { 26 | @override 27 | Widget text(String content) => Card( 28 | elevation: 10, 29 | child: Center( 30 | child: Text( 31 | content, 32 | style: TextStyle( 33 | fontSize: 16, color: Colors.red, fontWeight: FontWeight.w100), 34 | ), 35 | ), 36 | ); 37 | } 38 | 39 | class WebDescribeText implements IPlatformDescribeText { 40 | @override 41 | Widget text(String content) => Card( 42 | elevation: 4, 43 | child: Center( 44 | child: Text( 45 | content, 46 | style: TextStyle(fontSize: 16, color: Colors.purple), 47 | ), 48 | ), 49 | ); 50 | } 51 | -------------------------------------------------------------------------------- /lib/page/factory/factory_abstract.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter_design/page/factory/color_concrete.dart'; 2 | import 'package:flutter_design/page/factory/shape_concrete.dart'; 3 | 4 | /// Created by NieBin on 2020-03-16 5 | /// Github: https://github.com/nb312 6 | /// Email: niebin312@gmail.com 7 | enum ColorType { Red, Green, Yellow } 8 | enum ShapeType { Rectangle, Circle, Triangle } 9 | 10 | ///示列 抽象工厂 11 | abstract class IFactory { 12 | IShape getShape(ShapeType type); 13 | 14 | IColor getColor(ColorType type); 15 | } 16 | 17 | class _ColorFactory implements IFactory { 18 | @override 19 | IColor getColor(ColorType type) { 20 | switch (type) { 21 | case ColorType.Green: 22 | return Green(); 23 | case ColorType.Yellow: 24 | return Yellow(); 25 | case ColorType.Red: 26 | return Red(); 27 | default: 28 | return Red(); 29 | } 30 | } 31 | 32 | @override 33 | IShape getShape(ShapeType type) { 34 | return null; 35 | } 36 | } 37 | 38 | class _ShapeFactory implements IFactory { 39 | @override 40 | IColor getColor(ColorType type) { 41 | return null; 42 | } 43 | 44 | @override 45 | IShape getShape(ShapeType type) { 46 | switch (type) { 47 | case ShapeType.Circle: 48 | return Circle(); 49 | case ShapeType.Rectangle: 50 | return Rectangle(); 51 | case ShapeType.Triangle: 52 | return Triangle(); 53 | default: 54 | return Circle(); 55 | } 56 | } 57 | } 58 | 59 | //选择工厂类型 60 | enum FType { Color, Shape } 61 | 62 | //工厂类的工厂类 63 | class FactoryProducer { 64 | static IFactory createFactory(FType type) { 65 | switch (type) { 66 | case FType.Color: 67 | return _ColorFactory(); 68 | case FType.Shape: 69 | return _ShapeFactory(); 70 | default: 71 | return _ColorFactory(); 72 | } 73 | } 74 | } 75 | -------------------------------------------------------------------------------- /lib/page/factory/factory_concrete.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/page/factory/describe_text.dart'; 3 | 4 | /// Created by NieBin on 2020-03-16 5 | /// Github: https://github.com/nb312 6 | /// Email: niebin312@gmail.com 7 | enum P { Android, Ios, Web } 8 | 9 | //普通工厂写法 10 | class DesFactory { 11 | static IPlatformDescribeText createPlatformText(P p) { 12 | switch (p) { 13 | case P.Android: 14 | return AndroidDescribeText(); 15 | case P.Ios: 16 | return IosDescribeText(); 17 | case P.Web: 18 | return WebDescribeText(); 19 | default: 20 | return AndroidDescribeText(); 21 | } 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /lib/page/factory/factory_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/page/factory/color_concrete.dart'; 3 | import 'package:flutter_design/page/factory/factory_abstract.dart'; 4 | import 'package:flutter_design/page/factory/factory_concrete.dart'; 5 | import 'package:flutter_design/page/factory/shape_concrete.dart'; 6 | 7 | import '../../constant/string_const.dart'; 8 | 9 | /// Created by NieBin on 2020-03-16 10 | /// Github: https://github.com/nb312 11 | /// Email: niebin312@gmail.com 12 | class FactoryPage extends StatefulWidget { 13 | @override 14 | _FactoryPageState createState() => _FactoryPageState(); 15 | } 16 | 17 | class _FactoryPageState extends State { 18 | @override 19 | Widget build(BuildContext context) { 20 | return Scaffold( 21 | appBar: AppBar( 22 | title: Text(StringConst.FACTORY_), 23 | ), 24 | body: Container( 25 | child: Column( 26 | children: [ 27 | Container( 28 | color: Colors.red, 29 | padding: EdgeInsets.symmetric(vertical: 10), 30 | margin: EdgeInsets.symmetric(vertical: 10), 31 | child: Center( 32 | child: Text( 33 | "下面是普通工厂的演示", 34 | style: TextStyle(color: Colors.white), 35 | ), 36 | ), 37 | ), 38 | Text("Android"), 39 | Divider( 40 | height: 1, 41 | ), 42 | Container( 43 | constraints: BoxConstraints.expand(height: 50), 44 | child: 45 | DesFactory.createPlatformText(P.Android).text("我是Android的描述"), 46 | ), 47 | Text("Ios"), 48 | Divider( 49 | height: 1, 50 | ), 51 | Container( 52 | constraints: BoxConstraints.expand(height: 50), 53 | child: DesFactory.createPlatformText(P.Ios).text("我是Ios的描述"), 54 | ), 55 | Text("Web"), 56 | Divider( 57 | height: 1, 58 | ), 59 | Container( 60 | constraints: BoxConstraints.expand(height: 50), 61 | child: DesFactory.createPlatformText(P.Web).text("我是Web的描述"), 62 | ), 63 | Container( 64 | color: Colors.brown, 65 | padding: EdgeInsets.symmetric(vertical: 10), 66 | margin: EdgeInsets.symmetric(vertical: 10), 67 | child: Center( 68 | child: Text( 69 | "下面是抽象工厂的演示", 70 | style: TextStyle(color: Colors.white), 71 | ), 72 | ), 73 | ), 74 | FlatButton( 75 | child: Text( 76 | "点击一下看看打印日志", 77 | style: TextStyle(color: Colors.white), 78 | ), 79 | color: Colors.brown, 80 | onPressed: () { 81 | //获取颜色工厂 82 | IFactory colorFactory = 83 | FactoryProducer.createFactory(FType.Color); 84 | IColor color = colorFactory.getColor(ColorType.Yellow); 85 | color.fill(); 86 | 87 | //创建形状的工厂实例 88 | IFactory shapeFactory = 89 | FactoryProducer.createFactory(FType.Shape); 90 | IShape shape = shapeFactory.getShape(ShapeType.Triangle); 91 | shape.draw(); 92 | }, 93 | ) 94 | ], 95 | ), 96 | ), 97 | ); 98 | } 99 | } 100 | -------------------------------------------------------------------------------- /lib/page/factory/shape_concrete.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-16 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class IShape { 5 | void draw(); 6 | } 7 | 8 | class Rectangle implements IShape { 9 | @override 10 | void draw() { 11 | print("draw rectangle"); 12 | } 13 | } 14 | 15 | class Circle implements IShape { 16 | @override 17 | void draw() { 18 | print("draw circle"); 19 | } 20 | } 21 | 22 | class Triangle implements IShape { 23 | @override 24 | void draw() { 25 | print("draw triangle"); 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /lib/page/filter/filter_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-22 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | /// 5 | class Book { 6 | String name; 7 | String author; 8 | String type; 9 | String date; 10 | 11 | Book({ 12 | this.name, 13 | this.author, 14 | this.type, 15 | this.date, 16 | }); 17 | } 18 | 19 | abstract class ICondition { 20 | List filter(List source); 21 | } 22 | 23 | class PersonBookCondition implements ICondition { 24 | @override 25 | List filter(List source) { 26 | if (source == null || source.length == 0) return null; 27 | return source.where((element) => element.type == "person").toList(); 28 | } 29 | } 30 | 31 | class MusicBookCondition implements ICondition { 32 | @override 33 | List filter(List source) { 34 | if (source == null || source.length == 0) 35 | return null; 36 | else 37 | return source.where((element) => element.type == "music").toList(); 38 | } 39 | } 40 | -------------------------------------------------------------------------------- /lib/page/filter/filter_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/filter/filter_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-03-22 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | ///过滤器模式 9 | class FilterPage extends StatefulWidget { 10 | @override 11 | _FilterPageState createState() => _FilterPageState(); 12 | } 13 | 14 | class _FilterPageState extends State { 15 | List _books = List(); 16 | 17 | @override 18 | void initState() { 19 | initData(); 20 | super.initState(); 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return Scaffold( 26 | appBar: AppBar( 27 | title: Text(StringConst.FILTER_), 28 | ), 29 | body: SingleChildScrollView( 30 | child: Column( 31 | children: _item(), 32 | ), 33 | ), 34 | ); 35 | } 36 | 37 | List _item() { 38 | List list = List(); 39 | List persons = _personList(); 40 | list.add(Container( 41 | constraints: BoxConstraints.expand(height: 20), 42 | color: Colors.blueGrey, 43 | child: Text( 44 | "人物分类", 45 | style: TextStyle( 46 | fontSize: 16, color: Colors.white, fontWeight: FontWeight.bold), 47 | ), 48 | )); 49 | for (Book b in persons) { 50 | list.add((_bookItem(b))); 51 | } 52 | list.add(SizedBox(height: 10)); 53 | list.add(Container( 54 | constraints: BoxConstraints.expand(height: 20), 55 | color: Colors.blueGrey, 56 | child: Text( 57 | "音乐分类", 58 | style: TextStyle( 59 | fontSize: 16, color: Colors.white, fontWeight: FontWeight.bold), 60 | ), 61 | )); 62 | List musics = _musicList(); 63 | for (Book b in musics) { 64 | list.add((_bookItem(b))); 65 | } 66 | return list; 67 | } 68 | 69 | Widget _bookItem(Book book) => Card( 70 | elevation: 4, 71 | child: Container( 72 | constraints: BoxConstraints.expand(height: 80), 73 | child: Column( 74 | children: [ 75 | Text("书名: ${book.name}"), 76 | Text("作者: ${book.author}"), 77 | Text("作品类型: ${book.type == "person" ? "人物" : "音乐"}"), 78 | Text("发布日期: ${book.date}") 79 | ], 80 | ), 81 | ), 82 | ); 83 | 84 | //过滤人 85 | List _personList() { 86 | ICondition condition = PersonBookCondition(); 87 | return condition.filter(_books); 88 | } 89 | 90 | //过滤音乐 91 | List _musicList() { 92 | ICondition condition = MusicBookCondition(); 93 | return condition.filter(_books); 94 | } 95 | 96 | void initData() { 97 | _books.add( 98 | Book(name: "肖申克的救赎", author: "弗兰克·达拉邦特", type: "person", date: "2015")); 99 | 100 | _books.add( 101 | Book(name: "人类简史", author: "尤瓦尔·赫拉利", type: "person", date: "2014")); 102 | _books.add(Book(name: "黛玉专", author: "林海", type: "music", date: "2014")); 103 | _books.add( 104 | Book(name: "时间的秩序", author: "卡洛·罗韦利", type: "person", date: "2019")); 105 | _books.add(Book(name: "北方的女王", author: "绕十三", type: "music", date: "2020")); 106 | _books 107 | .add(Book(name: "小王子", author: "圣埃克苏佩里", type: "person", date: "2003")); 108 | 109 | _books 110 | .add(Book(name: "只想要太阳的你", author: "张特", type: "music", date: "2020")); 111 | } 112 | } 113 | -------------------------------------------------------------------------------- /lib/page/flyweight/flyweight_mode.dart: -------------------------------------------------------------------------------- 1 | import 'dart:collection'; 2 | 3 | import 'package:flutter/material.dart'; 4 | 5 | /// Created by NieBin on 2020-03-26 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | abstract class Clock { 9 | Color color; 10 | 11 | Widget display(); 12 | } 13 | 14 | class PinkClock implements Clock { 15 | @override 16 | Color color = Colors.pink; 17 | 18 | @override 19 | Widget display() => Container( 20 | width: 100, 21 | height: 100, 22 | decoration: BoxDecoration( 23 | shape: BoxShape.rectangle, 24 | border: Border.all(color: Colors.green), 25 | color: color, 26 | ), 27 | child: Center(child: Text(DateTime.now().toIso8601String())), 28 | ); 29 | } 30 | 31 | class GreenClock implements Clock { 32 | @override 33 | Color color = Colors.green; 34 | 35 | @override 36 | Widget display() => Container( 37 | width: 200, 38 | height: 100, 39 | decoration: BoxDecoration(shape: BoxShape.circle, color: color), 40 | child: Center(child: Text(DateTime.now().toIso8601String())), 41 | ); 42 | } 43 | 44 | class BlueClock implements Clock { 45 | @override 46 | Color color = Colors.blue; 47 | 48 | @override 49 | Widget display() => Container( 50 | width: 150, 51 | height: 150, 52 | decoration: BoxDecoration(shape: BoxShape.circle, color: color), 53 | child: Center(child: Text(DateTime.now().toIso8601String())), 54 | ); 55 | } 56 | 57 | class WhiteClock implements Clock { 58 | @override 59 | Color color = Colors.white; 60 | 61 | @override 62 | Widget display() => Container( 63 | width: 100, 64 | height: 100, 65 | decoration: BoxDecoration( 66 | shape: BoxShape.rectangle, 67 | color: color, 68 | border: Border.all(color: Colors.orangeAccent)), 69 | child: Center(child: Text(DateTime.now().toIso8601String())), 70 | ); 71 | } 72 | 73 | class ClockManager { 74 | static Map _clocks = HashMap(); 75 | 76 | static Clock getColorClock(String color) { 77 | if (_clocks.containsKey(color)) { 78 | return _clocks[color]; 79 | } else { 80 | _clocks.putIfAbsent(color, () { 81 | if (color.toLowerCase() == "pink") { 82 | return PinkClock(); 83 | } else if (color.toLowerCase() == "green") { 84 | return GreenClock(); 85 | } else if (color.toLowerCase() == "blue") { 86 | return BlueClock(); 87 | } else { 88 | return WhiteClock(); 89 | } 90 | }); 91 | return _clocks[color]; 92 | } 93 | } 94 | 95 | static Clock removeClock(String color) { 96 | if (_clocks.containsKey(color)) { 97 | return _clocks.remove(color); 98 | } else { 99 | return null; 100 | } 101 | } 102 | 103 | static void clearAll() { 104 | _clocks.clear(); 105 | } 106 | } 107 | -------------------------------------------------------------------------------- /lib/page/flyweight/flyweight_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/flyweight/flyweight_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-03-26 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class FlyweightPage extends StatefulWidget { 10 | @override 11 | _FlyweightPageState createState() => _FlyweightPageState(); 12 | } 13 | 14 | class _FlyweightPageState extends State { 15 | @override 16 | Widget build(BuildContext context) { 17 | return Scaffold( 18 | appBar: AppBar( 19 | title: Text(StringConst.FLYWEIGHT_), 20 | ), 21 | body: Container( 22 | child: Center( 23 | child: Column( 24 | mainAxisAlignment: MainAxisAlignment.center, 25 | crossAxisAlignment: CrossAxisAlignment.center, 26 | children: [ 27 | ClockManager.getColorClock("pink").display(), 28 | SizedBox(height: 10,), 29 | ClockManager.getColorClock("green").display(), 30 | SizedBox(height: 10,), 31 | ClockManager.getColorClock("blue").display(), 32 | SizedBox(height: 10,), 33 | ClockManager.getColorClock("12423").display(), 34 | SizedBox(height: 10,) 35 | ], 36 | ), 37 | ), 38 | ), 39 | ); 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /lib/page/home_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | 4 | import '../constant/page_const.dart'; 5 | import '../constant/string_const.dart'; 6 | 7 | /// Created by NieBin on 2020-03-16 8 | /// Github: https://github.com/nb312 9 | /// Email: niebin312@gmail.com 10 | 11 | class HomePage extends StatefulWidget { 12 | @override 13 | _HomePageState createState() => _HomePageState(); 14 | } 15 | 16 | //参考链接 17 | Map map = { 18 | PageConst.FACTORY_PAGE: StringConst.FACTORY_, 19 | PageConst.INSTANCE_PAGE: StringConst.SINGLE_, 20 | PageConst.BUILD_PAGE: StringConst.BUILDER_, 21 | PageConst.PROTOTYPE_PAGE: StringConst.PROTOTYPE_, 22 | PageConst.ADAPTER_PAGE: StringConst.ADAPTER_, 23 | PageConst.BRIDGE_PAGE: StringConst.BRIDGE_, 24 | PageConst.FILTER_PAGE: StringConst.FILTER_, 25 | PageConst.COMPOSITE_PAGE: StringConst.COMBINATION_, 26 | PageConst.DECORATOR_PAGE: StringConst.DECORATOR_, 27 | PageConst.FACADE_PAGE: StringConst.FACADE_, 28 | PageConst.FLYWEIGHT_PAGE: StringConst.FLYWEIGHT_, 29 | PageConst.PROXY_PAGE: StringConst.PROXY_, 30 | PageConst.DUTY_PAGE: StringConst.DUTY_, 31 | PageConst.COMMAND_PAGE: StringConst.COMMAND_, 32 | PageConst.INTERPRETER_PAGE: StringConst.INTERPRETER_, 33 | PageConst.ITERATOR_PAGE: StringConst.ITERATOR_, 34 | PageConst.MEDIATOR_PAGE: StringConst.MID_, 35 | PageConst.MEMENTO_PAGE: StringConst.MEMORY_, 36 | PageConst.OBSERVER_PAGE: StringConst.OBSERVER_, 37 | PageConst.STATE_PAGE: StringConst.STATE_, 38 | PageConst.STRATEGY_PAGE: StringConst.STRATEGY_, 39 | PageConst.TEMPLATE_PAGE: StringConst.TEMPLATE_, 40 | }; 41 | 42 | class _HomePageState extends State { 43 | @override 44 | Widget build(BuildContext context) { 45 | List items = List(); 46 | List keys = map.keys.toList(); 47 | for (int i = 0; i < map.length; i++) { 48 | String page = keys[i]; 49 | String content = map[page]; 50 | Widget w = _item(page: page, content: content); 51 | items.add(w); 52 | } 53 | return Scaffold( 54 | appBar: AppBar( 55 | title: Text(StringConst.APP_NAME), 56 | ), 57 | body: GridView.count( 58 | crossAxisCount: 2, 59 | childAspectRatio: 2, 60 | children: items, 61 | ), 62 | ); 63 | } 64 | 65 | Widget _item({String content, String page}) => Container( 66 | child: InkWell( 67 | onTap: () { 68 | Navigator.of(context).pushNamed(page); 69 | }, 70 | child: Card( 71 | elevation: 10, 72 | child: Center( 73 | child: Text( 74 | content, 75 | style: TextStyle(fontWeight: FontWeight.bold, fontSize: 16), 76 | ), 77 | ), 78 | ), 79 | ), 80 | ); 81 | } 82 | -------------------------------------------------------------------------------- /lib/page/interpreter/intepreter_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/interpreter/interpreter_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-04-01 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class InterpreterPage extends StatefulWidget { 10 | @override 11 | _InterpreterPageState createState() => _InterpreterPageState(); 12 | } 13 | 14 | class _InterpreterPageState extends State { 15 | Value _value1 = Value(0); 16 | Value _value2 = Value(0); 17 | Add _add; 18 | Minus _minus; 19 | Multiple _multiply; 20 | 21 | @override 22 | Widget build(BuildContext context) { 23 | return Scaffold( 24 | appBar: AppBar( 25 | title: Text(StringConst.INTERPRETER_), 26 | ), 27 | body: Container( 28 | child: Column( 29 | mainAxisSize: MainAxisSize.min, 30 | children: [ 31 | Row( 32 | mainAxisSize: MainAxisSize.min, 33 | children: [ 34 | Padding( 35 | padding: const EdgeInsets.symmetric(horizontal: 10), 36 | child: Text("变量1"), 37 | ), 38 | Expanded( 39 | child: Container( 40 | constraints: BoxConstraints.expand(height: 40), 41 | child: TextFormField( 42 | onChanged: (v) { 43 | _value1 = Value(int.parse(v)); 44 | }, 45 | ), 46 | ), 47 | ), 48 | ], 49 | ), 50 | SizedBox(height: 10), 51 | Row( 52 | mainAxisSize: MainAxisSize.min, 53 | children: [ 54 | Padding( 55 | padding: const EdgeInsets.symmetric(horizontal: 10), 56 | child: Text("变量2"), 57 | ), 58 | Expanded( 59 | child: Container( 60 | constraints: BoxConstraints.expand(height: 40), 61 | child: TextFormField( 62 | onChanged: (v) { 63 | _value2 = Value(int.parse(v)); 64 | }, 65 | ), 66 | ), 67 | ), 68 | ], 69 | ), 70 | SizedBox(height: 10), 71 | Container( 72 | height: 100, 73 | color: Colors.grey, 74 | padding: EdgeInsets.symmetric(horizontal: 10), 75 | child: Row( 76 | children: [ 77 | FlatButton( 78 | child: Icon(Icons.add), 79 | color: Colors.white, 80 | onPressed: () { 81 | setState(() { 82 | print("v1=$_value1,v2=$_value2}"); 83 | _add = Add(_value1, _value2); 84 | }); 85 | }, 86 | ), 87 | SizedBox(width: 10), 88 | Expanded(child: Text("加法=${_add?.interpret()}")) 89 | ], 90 | ), 91 | ), 92 | SizedBox(height: 10), 93 | Container( 94 | height: 100, 95 | padding: EdgeInsets.symmetric(horizontal: 10), 96 | color: Colors.brown, 97 | child: Row( 98 | children: [ 99 | FlatButton( 100 | child: Icon(Icons.remove), 101 | color: Colors.white, 102 | onPressed: () { 103 | setState(() { 104 | print("v1=$_value1,v2=$_value2}"); 105 | _minus = Minus(_value1, _value2); 106 | }); 107 | }, 108 | ), 109 | SizedBox(width: 10), 110 | Expanded(child: Text("减法=${_minus?.interpret()}")) 111 | ], 112 | ), 113 | ), 114 | SizedBox(height: 10), 115 | Container( 116 | height: 100, 117 | color: Colors.brown, 118 | padding: EdgeInsets.symmetric(horizontal: 10), 119 | child: Row( 120 | children: [ 121 | FlatButton( 122 | child: Icon(Icons.clear), 123 | color: Colors.white, 124 | onPressed: () { 125 | setState(() { 126 | print("v1=$_value1,v2=$_value2}"); 127 | _multiply = Multiple(_value1, _value2); 128 | }); 129 | }, 130 | ), 131 | SizedBox(width: 10), 132 | Expanded(child: Text("乘法=${_multiply?.interpret()}")) 133 | ], 134 | ), 135 | ) 136 | ], 137 | ), 138 | ), 139 | ); 140 | } 141 | } 142 | -------------------------------------------------------------------------------- /lib/page/interpreter/interpreter_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-04-01 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class Expression { 5 | int interpret(); 6 | } 7 | 8 | class Value implements Expression { 9 | final int number; 10 | 11 | Value(this.number); 12 | 13 | @override 14 | int interpret() { 15 | return number; 16 | } 17 | 18 | @override 19 | String toString() { 20 | return "$number"; 21 | } 22 | } 23 | 24 | class Add implements Expression { 25 | final Expression value1; 26 | final Expression value2; 27 | 28 | Add(this.value1, this.value2); 29 | 30 | @override 31 | int interpret() { 32 | return value1.interpret() + value2.interpret(); 33 | } 34 | } 35 | 36 | class Minus implements Expression { 37 | final Expression value1; 38 | final Expression value2; 39 | 40 | Minus(this.value1, this.value2); 41 | 42 | @override 43 | int interpret() { 44 | return value1.interpret() - value2.interpret(); 45 | } 46 | } 47 | 48 | class Multiple implements Expression { 49 | final Expression value1; 50 | final Expression value2; 51 | 52 | Multiple(this.value1, this.value2); 53 | 54 | @override 55 | int interpret() { 56 | return value1.interpret() * value2.interpret(); 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /lib/page/iterator/Iterator_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/iterator/iterator_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-04-02 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class IteratorPage extends StatefulWidget { 10 | @override 11 | _IteratorPageState createState() => _IteratorPageState(); 12 | } 13 | 14 | class _IteratorPageState extends State { 15 | final List _names = [ 16 | "小明", 17 | "老张", 18 | "大黄", 19 | "嫦娥", 20 | "貂蝉", 21 | ]; 22 | String _name = "待切换"; 23 | Iterator _iterator; 24 | Aggregate _aggregate; 25 | 26 | @override 27 | void initState() { 28 | super.initState(); 29 | _aggregate = NameAggregate(_names); 30 | _iterator = NameIterator(_aggregate); 31 | } 32 | 33 | @override 34 | Widget build(BuildContext context) { 35 | return Scaffold( 36 | appBar: AppBar( 37 | title: Text(StringConst.ITERATOR_), 38 | ), 39 | body: Container( 40 | child: Column( 41 | mainAxisAlignment: MainAxisAlignment.center, 42 | children: [ 43 | Container( 44 | padding: EdgeInsets.symmetric(horizontal: 10), 45 | child: Row( 46 | mainAxisAlignment: MainAxisAlignment.spaceEvenly, 47 | mainAxisSize: MainAxisSize.min, 48 | children: _nameItems(), 49 | ), 50 | ), 51 | SizedBox( 52 | height: 10, 53 | ), 54 | Container( 55 | constraints: BoxConstraints.expand(height: 100), 56 | color: Colors.brown, 57 | child: Center( 58 | child: Text(_name), 59 | ), 60 | ), 61 | Row( 62 | mainAxisAlignment: MainAxisAlignment.center, 63 | children: [ 64 | FlatButton( 65 | color: Colors.blueAccent, 66 | child: Padding( 67 | padding: const EdgeInsets.symmetric(horizontal: 10), 68 | child: Text("上一个"), 69 | ), 70 | onPressed: () { 71 | setState(() { 72 | _name = _iterator.prev() ?? "没有上一个"; 73 | }); 74 | }, 75 | ), 76 | SizedBox(width: 10), 77 | FlatButton( 78 | child: Padding( 79 | padding: const EdgeInsets.symmetric(horizontal: 10), 80 | child: Text("下一个"), 81 | ), 82 | color: Colors.green, 83 | onPressed: () { 84 | setState(() { 85 | _name = _iterator.next() ?? "没有下一个"; 86 | }); 87 | }, 88 | ) 89 | ], 90 | ), 91 | ], 92 | ), 93 | ), 94 | ); 95 | } 96 | 97 | List _nameItems() { 98 | List names = List(); 99 | for (String name in _names) { 100 | names.add(_nameItem(name)); 101 | names.add(SizedBox(width: 4)); 102 | } 103 | return names; 104 | } 105 | 106 | Widget _nameItem(String name) => Container( 107 | color: Colors.grey, 108 | padding: EdgeInsets.symmetric(horizontal: 10), 109 | child: Text( 110 | name, 111 | style: TextStyle(fontSize: 20), 112 | ), 113 | ); 114 | } 115 | -------------------------------------------------------------------------------- /lib/page/iterator/iterator_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-04-02 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class Iterator { 5 | bool hasNext(); 6 | 7 | bool hasPrev(); 8 | 9 | T next(); 10 | 11 | T prev(); 12 | } 13 | 14 | abstract class Aggregate { 15 | Iterator createIterator(); 16 | } 17 | 18 | class NameIterator implements Iterator { 19 | int _index = 0; 20 | final NameAggregate name; 21 | 22 | NameIterator(this.name); 23 | 24 | @override 25 | bool hasNext() => _index < name.size && name.size > 0; 26 | 27 | @override 28 | String next() { 29 | if (hasNext()) { 30 | return name.getCurrentName(_index++); 31 | } else { 32 | return name.getCurrentName(name.size - 1); 33 | } 34 | } 35 | 36 | @override 37 | String prev() { 38 | if (hasPrev()) { 39 | return name.getCurrentName(_index--); 40 | } else { 41 | return name.getCurrentName(0); 42 | } 43 | } 44 | 45 | @override 46 | bool hasPrev() => _index <= name.size && _index > 0 && name.size > 0; 47 | } 48 | 49 | class NameAggregate implements Aggregate { 50 | final List names; 51 | 52 | NameAggregate(this.names); 53 | 54 | @override 55 | Iterator createIterator() { 56 | return NameIterator(this); 57 | } 58 | 59 | String getCurrentName(int index) { 60 | if (index < size) { 61 | return names[index]; 62 | } else { 63 | return null; 64 | } 65 | } 66 | 67 | int get size => names.length; 68 | } 69 | -------------------------------------------------------------------------------- /lib/page/memory/memory_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-04-07 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | //记忆内容 5 | class Memory { 6 | String name; 7 | int age; 8 | 9 | @override 10 | String toString() { 11 | return "name: $name, age=$age"; 12 | } 13 | } 14 | 15 | //记忆容器 16 | class MemoryContainer { 17 | Memory _memory; 18 | 19 | Memory get memory => _memory; 20 | 21 | set memory(Memory m) { 22 | this._memory = m; 23 | } 24 | } 25 | 26 | //恢复过程 27 | class XiaoMing { 28 | String name; 29 | int age; 30 | 31 | void restore(Memory memory) { 32 | this.name = memory.name; 33 | this.age = memory.age; 34 | } 35 | 36 | Memory createMemory() { 37 | Memory memory = Memory() 38 | ..name = this.name 39 | ..age = this.age; 40 | return memory; 41 | } 42 | 43 | @override 44 | String toString() { 45 | return "名字:$name, 年龄:$age"; 46 | } 47 | } 48 | -------------------------------------------------------------------------------- /lib/page/memory/memory_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/memory/memory_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-04-07 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class MemoryPage extends StatefulWidget { 10 | @override 11 | _MemoryPageState createState() => _MemoryPageState(); 12 | } 13 | 14 | class _MemoryPageState extends State { 15 | String content; 16 | 17 | MemoryContainer _container; 18 | XiaoMing _xiaoMing; 19 | 20 | @override 21 | void initState() { 22 | _container = MemoryContainer(); 23 | _xiaoMing = XiaoMing() 24 | ..name = "小名" 25 | ..age = 22; 26 | _container.memory = _xiaoMing.createMemory(); 27 | } 28 | 29 | @override 30 | Widget build(BuildContext context) { 31 | return Scaffold( 32 | appBar: AppBar( 33 | title: Text(StringConst.MEMORY_), 34 | ), 35 | body: Container( 36 | child: Column( 37 | children: [ 38 | Text(content ?? "待玩起来"), 39 | Text("记忆内容: ${_container.memory.toString()}"), 40 | SizedBox(height: 10), 41 | FlatButton( 42 | onPressed: () { 43 | setState(() { 44 | _container.memory = _xiaoMing.createMemory(); 45 | }); 46 | }, 47 | color: Colors.pink, 48 | child: Padding( 49 | padding: const EdgeInsets.all(8.0), 50 | child: Text("用笔记一下"), 51 | ), 52 | ), 53 | SizedBox(height: 10), 54 | FlatButton( 55 | onPressed: () { 56 | _xiaoMing.age = _xiaoMing.age + 1; 57 | setState(() { 58 | content = _xiaoMing.toString(); 59 | }); 60 | }, 61 | color: Colors.orange, 62 | child: Padding( 63 | padding: const EdgeInsets.all(8.0), 64 | child: Text("小名长大一岁"), 65 | ), 66 | ), 67 | FlatButton( 68 | onPressed: () { 69 | setState(() { 70 | _xiaoMing.restore(_container.memory); 71 | content = _xiaoMing.toString(); 72 | }); 73 | }, 74 | color: Colors.green, 75 | child: Padding( 76 | padding: const EdgeInsets.all(8.0), 77 | child: Padding( 78 | padding: const EdgeInsets.all(8.0), 79 | child: Text("穿越到最年轻的时候"), 80 | ), 81 | ), 82 | ), 83 | ], 84 | ), 85 | ), 86 | ); 87 | } 88 | } 89 | -------------------------------------------------------------------------------- /lib/page/midd/mid_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-04-05 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | 5 | ///普通类 6 | abstract class Student { 7 | String writeHomework(Teacher teacher, String content); 8 | } 9 | 10 | ///中介者 11 | abstract class Teacher { 12 | final Student smallMing; 13 | final Student oldWang; 14 | 15 | Teacher(this.smallMing, this.oldWang); 16 | 17 | String readSmallMing(String content); 18 | 19 | String readOldWang(String content); 20 | } 21 | 22 | ///小明 23 | class SmallMing extends Student { 24 | @override 25 | String writeHomework(Teacher teacher, String content) { 26 | return teacher.readSmallMing("小明写的内容: $content"); 27 | } 28 | } 29 | 30 | ///隔壁老王 31 | class OldWang extends Student { 32 | @override 33 | String writeHomework(Teacher teacher, String content) { 34 | return teacher.readOldWang("老王写的内容: $content"); 35 | } 36 | } 37 | 38 | class MathTeacher extends Teacher { 39 | MathTeacher(Student smallMing, Student oldWang) : super(smallMing, oldWang); 40 | 41 | @override 42 | String readOldWang(String content) { 43 | return "我正在看隔壁老王的作业: $content"; 44 | } 45 | 46 | @override 47 | String readSmallMing(String content) { 48 | return "我正在看搞笑小明的作业: $content"; 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /lib/page/midd/mid_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/midd/mid_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-04-05 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | /// 9 | class MidPage extends StatefulWidget { 10 | @override 11 | _MidPageState createState() => _MidPageState(); 12 | } 13 | 14 | class _MidPageState extends State { 15 | String _smallMing; 16 | String _wangContent; 17 | Student _small; 18 | 19 | Student _wang; 20 | Teacher _teacher; 21 | 22 | @override 23 | void initState() { 24 | super.initState(); 25 | _small = SmallMing(); 26 | _wang = OldWang(); 27 | _teacher = MathTeacher(_small, _wang); 28 | } 29 | 30 | @override 31 | Widget build(BuildContext context) { 32 | return Scaffold( 33 | appBar: AppBar( 34 | title: Text(StringConst.MID_), 35 | ), 36 | body: Container( 37 | child: Row( 38 | children: [ 39 | Expanded( 40 | child: Column( 41 | children: [ 42 | Text(_smallMing ?? ""), 43 | FlatButton( 44 | child: Text("批改小明作业"), 45 | onPressed: () { 46 | setState(() { 47 | _smallMing = _small.writeHomework( 48 | _teacher, "认真写的数学作业${DateTime.now().toUtc()}"); 49 | }); 50 | }, 51 | ) 52 | ], 53 | ), 54 | ), 55 | Expanded( 56 | child: Column( 57 | children: [ 58 | Text(_wangContent ?? ""), 59 | FlatButton( 60 | child: Text("批改老王作业"), 61 | onPressed: () { 62 | setState(() { 63 | _wangContent = _wang.writeHomework( 64 | _teacher, "认真写的数学作业${DateTime.now().toUtc()}"); 65 | }); 66 | }, 67 | ) 68 | ], 69 | ), 70 | ), 71 | ], 72 | ), 73 | ), 74 | ); 75 | } 76 | } 77 | -------------------------------------------------------------------------------- /lib/page/observer/observer_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-04-13 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class ISubject { 5 | void attach(IObserver observer); 6 | 7 | void detach(IObserver observer); 8 | 9 | void detachAll(); 10 | 11 | void notify(); 12 | } 13 | 14 | class RealSubject extends ISubject { 15 | List _list; 16 | String _name; 17 | 18 | String get name => _name; 19 | 20 | set name(String n) { 21 | _name = n; 22 | notify(); 23 | } 24 | 25 | RealSubject() { 26 | _list = List(); 27 | } 28 | 29 | @override 30 | void attach(IObserver observer) { 31 | if (observer == null) return; 32 | if (!_list.contains(observer)) { 33 | _list.add(observer); 34 | } 35 | } 36 | 37 | @override 38 | void detach(IObserver observer) { 39 | if (_list.contains(observer)) { 40 | _list.remove(observer); 41 | } 42 | } 43 | 44 | @override 45 | void detachAll() { 46 | _list.clear(); 47 | } 48 | 49 | @override 50 | void notify() { 51 | for (IObserver observer in _list) { 52 | observer.update(name); 53 | } 54 | } 55 | } 56 | 57 | abstract class IObserver { 58 | void update(String name); 59 | } 60 | 61 | class AObserver extends IObserver { 62 | String content; 63 | 64 | @override 65 | void update(String name) { 66 | print("我是A,收到外星人： $name"); 67 | } 68 | } 69 | 70 | class BObserver extends IObserver { 71 | @override 72 | void update(String name) { 73 | print("我是B,收到一个东西: $name"); 74 | } 75 | } 76 | -------------------------------------------------------------------------------- /lib/page/observer/observer_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/page/observer/observer_mode.dart'; 3 | 4 | /// Created by NieBin on 2020-04-13 5 | /// Github: https://github.com/nb312 6 | /// Email: niebin312@gmail.com 7 | 8 | class ObserverPage extends StatefulWidget { 9 | @override 10 | _ObserverPageState createState() => _ObserverPageState(); 11 | } 12 | 13 | class _ObserverPageState extends State { 14 | List _observers; 15 | RealSubject _subject; 16 | 17 | @override 18 | void initState() { 19 | _observers = List(); 20 | _subject = RealSubject(); 21 | super.initState(); 22 | } 23 | 24 | @override 25 | Widget build(BuildContext context) { 26 | return Scaffold( 27 | appBar: AppBar( 28 | title: Text("观察者模式"), 29 | ), 30 | body: Container( 31 | child: Column( 32 | children: [ 33 | FlatButton( 34 | color: Colors.orange, 35 | child: Padding( 36 | padding: const EdgeInsets.all(8.0), 37 | child: Text("添加A型观察者"), 38 | ), 39 | onPressed: () { 40 | _subject.attach(AObserver()); 41 | }, 42 | ), 43 | SizedBox(height: 10), 44 | FlatButton( 45 | color: Colors.orange, 46 | child: Padding( 47 | padding: const EdgeInsets.all(8.0), 48 | child: Text("添加B型观察者"), 49 | ), 50 | onPressed: () { 51 | _subject.attach(BObserver()); 52 | }, 53 | ), 54 | SizedBox(height: 10), 55 | FlatButton( 56 | color: Colors.orange, 57 | child: Padding( 58 | padding: const EdgeInsets.all(8.0), 59 | child: Text("发个消息通知大家"), 60 | ), 61 | onPressed: () { 62 | _subject.name = "诸国缸体"; 63 | _subject.notify(); 64 | }, 65 | ), 66 | ], 67 | ), 68 | ), 69 | ); 70 | } 71 | } 72 | -------------------------------------------------------------------------------- /lib/page/prototype/prototype_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/prototype/prototype_product.dart'; 4 | 5 | /// Created by NieBin on 2020-03-17 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | class PrototypePage extends StatefulWidget { 9 | @override 10 | _PrototypePageState createState() => _PrototypePageState(); 11 | } 12 | 13 | class _PrototypePageState extends State { 14 | Product product = Product("苹果", "${DateTime.now().toUtc()}"); 15 | String cloneStr = ""; 16 | 17 | @override 18 | Widget build(BuildContext context) { 19 | return Scaffold( 20 | appBar: AppBar( 21 | title: Text(StringConst.PROTOTYPE_), 22 | ), 23 | body: Row( 24 | children: [ 25 | Expanded( 26 | child: Column( 27 | children: [ 28 | Expanded( 29 | child: Text( 30 | product.toString(), 31 | style: TextStyle(color: Colors.green , fontSize: 16), 32 | ), 33 | ), 34 | SizedBox( 35 | height: 100, 36 | ), 37 | FlatButton( 38 | color: Colors.green, 39 | onPressed: () { 40 | setState(() { 41 | product = Product("苹果", "${DateTime.now().toUtc()}"); 42 | }); 43 | }, 44 | child: Text("创建产品"), 45 | ), 46 | SizedBox( 47 | height: 100, 48 | ), 49 | ], 50 | ), 51 | ), 52 | Expanded( 53 | child: Column( 54 | children: [ 55 | Expanded( 56 | child: Text( 57 | cloneStr, 58 | style: TextStyle(color: Colors.orange, fontSize: 16), 59 | )), 60 | SizedBox( 61 | height: 100, 62 | ), 63 | FlatButton( 64 | color: Colors.orange, 65 | onPressed: () { 66 | setState(() { 67 | cloneStr = product.clone().toString(); 68 | }); 69 | }, 70 | child: Text("克隆产品"), 71 | ), 72 | SizedBox( 73 | height: 100, 74 | ), 75 | ], 76 | ), 77 | ), 78 | ], 79 | ), 80 | ); 81 | } 82 | } 83 | -------------------------------------------------------------------------------- /lib/page/prototype/prototype_product.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-18 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class IClone { 5 | IClone clone(); 6 | } 7 | 8 | class Product implements IClone { 9 | String name; 10 | String date; 11 | 12 | Product(this.name, this.date); 13 | 14 | @override 15 | IClone clone() { 16 | Product p = Product(this.name,this.date); 17 | return p; 18 | } 19 | 20 | @override 21 | String toString() { 22 | return " name: $name \n date: $date"; 23 | } 24 | } 25 | -------------------------------------------------------------------------------- /lib/page/proxy/proxy_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-27 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class BuyProduct { 5 | void buyPhone(); 6 | } 7 | 8 | class BuyHuWei implements BuyProduct { 9 | @override 10 | void buyPhone() { 11 | print("购买华为手机"); 12 | } 13 | } 14 | 15 | class ProxyBuy implements BuyProduct { 16 | @override 17 | void buyPhone() { 18 | BuyProduct hua = BuyHuWei(); 19 | hua.buyPhone(); 20 | print("我爱中国?"); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /lib/page/proxy/proxy_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/proxy/proxy_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-03-27 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class ProxyPage extends StatefulWidget { 10 | @override 11 | _ProxyPageState createState() => _ProxyPageState(); 12 | } 13 | 14 | class _ProxyPageState extends State { 15 | @override 16 | Widget build(BuildContext context) { 17 | return Scaffold( 18 | appBar: AppBar( 19 | title: Text(StringConst.PROXY_), 20 | ), 21 | body: Container( 22 | child: Center( 23 | child: FlatButton( 24 | color: Colors.brown, 25 | child: Padding( 26 | padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10), 27 | child: Text("购买手机"), 28 | ), 29 | onPressed: () { 30 | BuyProduct product = ProxyBuy(); 31 | product.buyPhone(); 32 | }, 33 | ), 34 | ), 35 | ), 36 | ); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /lib/page/single/single_manager.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-03-16 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | /// 5 | class SingleManager { 6 | SingleManager._(); 7 | 8 | factory SingleManager() => _getInstance(); 9 | static SingleManager _instance; 10 | 11 | static SingleManager get instance => _getInstance(); 12 | 13 | static SingleManager _getInstance() { 14 | if (_instance == null) { 15 | _instance = SingleManager._(); 16 | } 17 | return _instance; 18 | } 19 | 20 | int count = 0; 21 | } 22 | -------------------------------------------------------------------------------- /lib/page/single/single_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/constant/string_const.dart'; 3 | import 'package:flutter_design/page/single/single_manager.dart'; 4 | 5 | /// Created by NieBin on 2020-03-17 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | class SinglePage extends StatefulWidget { 9 | @override 10 | _SinglePageState createState() => _SinglePageState(); 11 | } 12 | 13 | class _SinglePageState extends State { 14 | @override 15 | Widget build(BuildContext context) { 16 | return Scaffold( 17 | appBar: AppBar( 18 | title: Text(StringConst.SINGLE_), 19 | ), 20 | body: Column( 21 | children: [ 22 | Expanded( 23 | child: Container( 24 | child: Center( 25 | child: Text( 26 | "${SingleManager.instance.count ?? "没有数据"}", 27 | style: TextStyle( 28 | fontWeight: FontWeight.bold, 29 | fontSize: 50, 30 | color: Colors.red), 31 | ), 32 | ), 33 | ), 34 | ), 35 | Row( 36 | mainAxisAlignment: MainAxisAlignment.center, 37 | children: [ 38 | Expanded( 39 | child: FlatButton( 40 | color: Colors.red, 41 | child: Padding( 42 | padding: const EdgeInsets.all(8.0), 43 | child: Icon( 44 | Icons.do_not_disturb_on, 45 | size: 30, 46 | color: Colors.white, 47 | ), 48 | ), 49 | shape: CircleBorder(), 50 | onPressed: () { 51 | setState(() { 52 | SingleManager.instance.count -= 5; 53 | }); 54 | }, 55 | ), 56 | ), 57 | Expanded( 58 | child: FlatButton( 59 | color: Colors.blue, 60 | child: Padding( 61 | padding: const EdgeInsets.all(8.0), 62 | child: Icon( 63 | Icons.add_circle, 64 | size: 30, 65 | color: Colors.white, 66 | ), 67 | ), 68 | shape: CircleBorder(), 69 | onPressed: () { 70 | setState(() { 71 | SingleManager.instance.count += 5; 72 | }); 73 | }, 74 | ), 75 | ) 76 | ], 77 | ), 78 | SizedBox( 79 | height: 100, 80 | ) 81 | ], 82 | ), 83 | ); 84 | } 85 | } 86 | -------------------------------------------------------------------------------- /lib/page/state/state_mode.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | 3 | /// Created by NieBin on 2020-04-14 4 | /// Github: https://github.com/nb312 5 | /// Email: niebin312@gmail.com 6 | ///参考文章https://www.runoob.com/w3cnote/state-vs-strategy.html 7 | abstract class State { 8 | void eatWater(); 9 | 10 | void watchSea(); 11 | } 12 | 13 | class FlyState extends State { 14 | @override 15 | void eatWater() { 16 | print("高空跳伞太危险不能喝水"); 17 | } 18 | 19 | @override 20 | void watchSea() { 21 | print("飞得高看得远,整个大海都尽收眼底"); 22 | } 23 | } 24 | 25 | class SubWayState extends State { 26 | @override 27 | void eatWater() { 28 | print("拿起你的矿泉水瓶开始喝水"); 29 | } 30 | 31 | @override 32 | void watchSea() { 33 | print("拿起手机开始看大海的视频"); 34 | } 35 | } 36 | 37 | class HomeState extends State { 38 | @override 39 | void eatWater() { 40 | print("用杯子倒一杯水喝了起来"); 41 | } 42 | 43 | @override 44 | void watchSea() { 45 | print("打卡电视机,调到能看大海的频道"); 46 | } 47 | } 48 | 49 | //如果程序员要执行这些状态会怎么样呢 50 | class Programmer extends State { 51 | FlyState _flyState = FlyState(); 52 | SubWayState _subWayState = SubWayState(); 53 | HomeState _homeState = HomeState(); 54 | 55 | State get fly => _flyState; 56 | 57 | State get subway => _subWayState; 58 | 59 | State get homeState => _homeState; 60 | State state; 61 | 62 | Programmer() { 63 | state = homeState; 64 | } 65 | 66 | @override 67 | void eatWater() { 68 | state?.eatWater(); 69 | } 70 | 71 | @override 72 | void watchSea() { 73 | state.watchSea(); 74 | } 75 | } 76 | -------------------------------------------------------------------------------- /lib/page/state/state_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/page/state/state_mode.dart' as s; 3 | 4 | /// Created by NieBin on 2020-04-14 5 | /// Github: https://github.com/nb312 6 | /// Email: niebin312@gmail.com 7 | 8 | class StatePage extends StatefulWidget { 9 | @override 10 | _StatePageState createState() => _StatePageState(); 11 | } 12 | 13 | class _StatePageState extends State { 14 | s.Programmer _programmer; 15 | 16 | @override 17 | void initState() { 18 | _programmer = s.Programmer(); 19 | super.initState(); 20 | } 21 | 22 | @override 23 | Widget build(BuildContext context) { 24 | return Scaffold( 25 | appBar: AppBar( 26 | title: Text("状态模式"), 27 | ), 28 | body: Container( 29 | child: Column( 30 | children: [ 31 | FlatButton( 32 | color: Colors.red, 33 | child: Text("跳伞飞起来"), 34 | onPressed: () { 35 | _programmer.state = s.FlyState(); 36 | }, 37 | ), 38 | FlatButton( 39 | color: Colors.yellow, 40 | child: Text("坐地铁"), 41 | onPressed: () { 42 | _programmer.state = s.SubWayState(); 43 | }, 44 | ), 45 | FlatButton( 46 | color: Colors.orange, 47 | child: Text("在家里"), 48 | onPressed: () { 49 | _programmer.state = s.HomeState(); 50 | }, 51 | ), 52 | FlatButton( 53 | color: Colors.green, 54 | child: Text("喝水"), 55 | onPressed: () { 56 | _programmer.eatWater(); 57 | }, 58 | ), 59 | FlatButton( 60 | color: Colors.pink, 61 | child: Text("看海"), 62 | onPressed: () { 63 | _programmer.watchSea(); 64 | }, 65 | ) 66 | ], 67 | ), 68 | ), 69 | ); 70 | } 71 | } 72 | -------------------------------------------------------------------------------- /lib/page/strategy/strategy_mode.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/cupertino.dart'; 2 | 3 | /// Created by NieBin on 2020-04-15 4 | /// Github: https://github.com/nb312 5 | /// Email: niebin312@gmail.com 6 | abstract class IMove { 7 | void run(); 8 | } 9 | 10 | class Fly extends IMove { 11 | @override 12 | void run() { 13 | debugPrint("我用飞的不香吗"); 14 | } 15 | } 16 | 17 | // 18 | class Run extends IMove { 19 | @override 20 | void run() { 21 | debugPrint("跑步使我快乐"); 22 | } 23 | } 24 | 25 | class Walk extends IMove { 26 | @override 27 | void run() { 28 | debugPrint("散散步也不无不行"); 29 | } 30 | } 31 | 32 | class ByBike extends IMove { 33 | @override 34 | void run() { 35 | debugPrint("骑行也是很环保的"); 36 | } 37 | } 38 | 39 | class ByBus extends IMove { 40 | @override 41 | void run() { 42 | debugPrint("还是老司机开车快点"); 43 | } 44 | } 45 | 46 | class Context implements IMove { 47 | IMove move; 48 | 49 | @override 50 | void run() { 51 | move?.run(); 52 | } 53 | } 54 | -------------------------------------------------------------------------------- /lib/page/strategy/strategy_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/foundation.dart'; 2 | import 'package:flutter/material.dart'; 3 | import 'package:flutter_design/page/strategy/strategy_mode.dart'; 4 | 5 | /// Created by NieBin on 2020-04-15 6 | /// Github: https://github.com/nb312 7 | /// Email: niebin312@gmail.com 8 | 9 | class StrategyPage extends StatefulWidget { 10 | @override 11 | _StrategyPageState createState() => _StrategyPageState(); 12 | } 13 | 14 | class _StrategyPageState extends State { 15 | Context _context; 16 | 17 | @override 18 | void initState() { 19 | _context = Context(); 20 | super.initState(); 21 | } 22 | 23 | @override 24 | Widget build(BuildContext context) { 25 | return Scaffold( 26 | appBar: AppBar( 27 | title: Text("策略模式"), 28 | ), 29 | body: Container( 30 | constraints: BoxConstraints.expand(), 31 | child: Column( 32 | crossAxisAlignment: CrossAxisAlignment.center, 33 | children: [ 34 | FlatButton( 35 | color: Colors.red, 36 | child: Padding( 37 | padding: const EdgeInsets.all(8.0), 38 | child: Text("开始飞"), 39 | ), 40 | onPressed: () { 41 | _context.move = Fly(); 42 | _context.run(); 43 | }, 44 | ), 45 | FlatButton( 46 | color: Colors.green, 47 | child: Padding( 48 | padding: const EdgeInsets.all(8.0), 49 | child: Text("开始跑"), 50 | ), 51 | onPressed: () { 52 | _context.move = Run(); 53 | _context.run(); 54 | }, 55 | ), 56 | FlatButton( 57 | color: Colors.yellow, 58 | child: Padding( 59 | padding: const EdgeInsets.all(8.0), 60 | child: Text("开始散步"), 61 | ), 62 | onPressed: () { 63 | _context.move = Walk(); 64 | _context.run(); 65 | }, 66 | ), 67 | FlatButton( 68 | color: Colors.blue, 69 | child: Padding( 70 | padding: const EdgeInsets.all(8.0), 71 | child: Text("开始骑行"), 72 | ), 73 | onPressed: () { 74 | _context.move = ByBike(); 75 | _context.run(); 76 | }, 77 | ), 78 | FlatButton( 79 | color: Colors.orange, 80 | child: Padding( 81 | padding: const EdgeInsets.all(8.0), 82 | child: Text("开始开车"), 83 | ), 84 | onPressed: () { 85 | _context.move = ByBus(); 86 | _context.run(); 87 | print("${Container( 88 | child: Text("Hello world"), 89 | ).toStringDeep()}"); 90 | ObserverList list = ObserverList(); 91 | list.add("Hello world"); 92 | }, 93 | ), 94 | ], 95 | ), 96 | ), 97 | ); 98 | } 99 | } 100 | -------------------------------------------------------------------------------- /lib/page/template/template_mode.dart: -------------------------------------------------------------------------------- 1 | /// Created by NieBin on 2020-04-16 2 | /// Github: https://github.com/nb312 3 | /// Email: niebin312@gmail.com 4 | abstract class IWork { 5 | void start(); 6 | 7 | void working(); 8 | 9 | void end(); 10 | 11 | void work() { 12 | start(); 13 | working(); 14 | end(); 15 | } 16 | } 17 | 18 | class NieBin extends IWork { 19 | @override 20 | void end() { 21 | print("加班后下班"); 22 | } 23 | 24 | @override 25 | void start() { 26 | print("从上海地铁站上站"); 27 | } 28 | 29 | @override 30 | void working() { 31 | print("进行Flutter开发"); 32 | } 33 | } 34 | 35 | class Other extends IWork { 36 | @override 37 | void end() { 38 | print("开开心心下班"); 39 | } 40 | 41 | @override 42 | void start() { 43 | print("从公司附近出发"); 44 | } 45 | 46 | @override 47 | void working() { 48 | print("进行前端开发"); 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /lib/page/template/template_page.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_design/page/template/template_mode.dart'; 3 | 4 | /// Created by NieBin on 2020-04-16 5 | /// Github: https://github.com/nb312 6 | /// Email: niebin312@gmail.com 7 | 8 | class TemplatePage extends StatefulWidget { 9 | @override 10 | _TemplatePageState createState() => _TemplatePageState(); 11 | } 12 | 13 | class _TemplatePageState extends State { 14 | @override 15 | Widget build(BuildContext context) { 16 | return Scaffold( 17 | appBar: AppBar( 18 | title: Text("模版模式"), 19 | ), 20 | body: Container( 21 | child: Column( 22 | children: [ 23 | FlatButton( 24 | color: Colors.orange, 25 | child: Padding( 26 | padding: const EdgeInsets.all(8.0), 27 | child: Text("NieBin的工作日常"), 28 | ), 29 | onPressed: () { 30 | NieBin nb = NieBin(); 31 | nb.work(); 32 | }, 33 | ), 34 | FlatButton( 35 | color: Colors.orange, 36 | child: Padding( 37 | padding: const EdgeInsets.all(8.0), 38 | child: Text("其他人的工作日常"), 39 | ), 40 | onPressed: () { 41 | Other other = Other(); 42 | other.work(); 43 | }, 44 | ), 45 | ], 46 | ), 47 | ), 48 | ); 49 | } 50 | } 51 | -------------------------------------------------------------------------------- /pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | archive: 5 | dependency: transitive 6 | description: 7 | name: archive 8 | url: "https://pub.dartlang.org" 9 | source: hosted 10 | version: "2.0.11" 11 | args: 12 | dependency: transitive 13 | description: 14 | name: args 15 | url: "https://pub.dartlang.org" 16 | source: hosted 17 | version: "1.5.2" 18 | async: 19 | dependency: transitive 20 | description: 21 | name: async 22 | url: "https://pub.dartlang.org" 23 | source: hosted 24 | version: "2.4.0" 25 | boolean_selector: 26 | dependency: transitive 27 | description: 28 | name: boolean_selector 29 | url: "https://pub.dartlang.org" 30 | source: hosted 31 | version: "1.0.5" 32 | charcode: 33 | dependency: transitive 34 | description: 35 | name: charcode 36 | url: "https://pub.dartlang.org" 37 | source: hosted 38 | version: "1.1.2" 39 | collection: 40 | dependency: transitive 41 | description: 42 | name: collection 43 | url: "https://pub.dartlang.org" 44 | source: hosted 45 | version: "1.14.11" 46 | convert: 47 | dependency: transitive 48 | description: 49 | name: convert 50 | url: "https://pub.dartlang.org" 51 | source: hosted 52 | version: "2.1.1" 53 | crypto: 54 | dependency: transitive 55 | description: 56 | name: crypto 57 | url: "https://pub.dartlang.org" 58 | source: hosted 59 | version: "2.1.3" 60 | cupertino_icons: 61 | dependency: "direct main" 62 | description: 63 | name: cupertino_icons 64 | url: "https://pub.dartlang.org" 65 | source: hosted 66 | version: "0.1.3" 67 | flutter: 68 | dependency: "direct main" 69 | description: flutter 70 | source: sdk 71 | version: "0.0.0" 72 | flutter_test: 73 | dependency: "direct dev" 74 | description: flutter 75 | source: sdk 76 | version: "0.0.0" 77 | image: 78 | dependency: transitive 79 | description: 80 | name: image 81 | url: "https://pub.dartlang.org" 82 | source: hosted 83 | version: "2.1.4" 84 | matcher: 85 | dependency: transitive 86 | description: 87 | name: matcher 88 | url: "https://pub.dartlang.org" 89 | source: hosted 90 | version: "0.12.6" 91 | meta: 92 | dependency: transitive 93 | description: 94 | name: meta 95 | url: "https://pub.dartlang.org" 96 | source: hosted 97 | version: "1.1.8" 98 | path: 99 | dependency: transitive 100 | description: 101 | name: path 102 | url: "https://pub.dartlang.org" 103 | source: hosted 104 | version: "1.6.4" 105 | pedantic: 106 | dependency: transitive 107 | description: 108 | name: pedantic 109 | url: "https://pub.dartlang.org" 110 | source: hosted 111 | version: "1.8.0+1" 112 | petitparser: 113 | dependency: transitive 114 | description: 115 | name: petitparser 116 | url: "https://pub.dartlang.org" 117 | source: hosted 118 | version: "2.4.0" 119 | quiver: 120 | dependency: transitive 121 | description: 122 | name: quiver 123 | url: "https://pub.dartlang.org" 124 | source: hosted 125 | version: "2.0.5" 126 | sky_engine: 127 | dependency: transitive 128 | description: flutter 129 | source: sdk 130 | version: "0.0.99" 131 | source_span: 132 | dependency: transitive 133 | description: 134 | name: source_span 135 | url: "https://pub.dartlang.org" 136 | source: hosted 137 | version: "1.5.5" 138 | stack_trace: 139 | dependency: transitive 140 | description: 141 | name: stack_trace 142 | url: "https://pub.dartlang.org" 143 | source: hosted 144 | version: "1.9.3" 145 | stream_channel: 146 | dependency: transitive 147 | description: 148 | name: stream_channel 149 | url: "https://pub.dartlang.org" 150 | source: hosted 151 | version: "2.0.0" 152 | string_scanner: 153 | dependency: transitive 154 | description: 155 | name: string_scanner 156 | url: "https://pub.dartlang.org" 157 | source: hosted 158 | version: "1.0.5" 159 | term_glyph: 160 | dependency: transitive 161 | description: 162 | name: term_glyph 163 | url: "https://pub.dartlang.org" 164 | source: hosted 165 | version: "1.1.0" 166 | test_api: 167 | dependency: transitive 168 | description: 169 | name: test_api 170 | url: "https://pub.dartlang.org" 171 | source: hosted 172 | version: "0.2.11" 173 | typed_data: 174 | dependency: transitive 175 | description: 176 | name: typed_data 177 | url: "https://pub.dartlang.org" 178 | source: hosted 179 | version: "1.1.6" 180 | vector_math: 181 | dependency: transitive 182 | description: 183 | name: vector_math 184 | url: "https://pub.dartlang.org" 185 | source: hosted 186 | version: "2.0.8" 187 | xml: 188 | dependency: transitive 189 | description: 190 | name: xml 191 | url: "https://pub.dartlang.org" 192 | source: hosted 193 | version: "3.5.0" 194 | sdks: 195 | dart: ">=2.4.0 <3.0.0" 196 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: flutter_design 2 | description: A new Flutter application. 3 | 4 | # The following defines the version and build number for your application. 5 | # A version number is three numbers separated by dots, like 1.2.43 6 | # followed by an optional build number separated by a +. 7 | # Both the version and the builder number may be overridden in flutter 8 | # build by specifying --build-name and --build-number, respectively. 9 | # In Android, build-name is used as versionName while build-number used as versionCode. 10 | # Read more about Android versioning at https://developer.android.com/studio/publish/versioning 11 | # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion. 12 | # Read more about iOS versioning at 13 | # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html 14 | version: 1.0.0+1 15 | 16 | environment: 17 | sdk: ">=2.1.0 <3.0.0" 18 | 19 | dependencies: 20 | flutter: 21 | sdk: flutter 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: ^0.1.2 26 | 27 | dev_dependencies: 28 | flutter_test: 29 | sdk: flutter 30 | 31 | 32 | # For information on the generic Dart part of this file, see the 33 | # following page: https://dart.dev/tools/pub/pubspec 34 | 35 | # The following section is specific to Flutter. 36 | flutter: 37 | 38 | # The following line ensures that the Material Icons font is 39 | # included with your application, so that you can use the icons in 40 | # the material Icons class. 41 | uses-material-design: true 42 | 43 | # To add assets to your application, add an assets section, like this: 44 | # assets: 45 | # - images/a_dot_burr.jpeg 46 | # - images/a_dot_ham.jpeg 47 | 48 | # An image asset can refer to one or more resolution-specific "variants", see 49 | # https://flutter.dev/assets-and-images/#resolution-aware. 50 | 51 | # For details regarding adding assets from package dependencies, see 52 | # https://flutter.dev/assets-and-images/#from-packages 53 | 54 | # To add custom fonts to your application, add a fonts section here, 55 | # in this "flutter" section. Each entry in this list should have a 56 | # "family" key with the font family name, and a "fonts" key with a 57 | # list giving the asset and other descriptors for the font. For 58 | # example: 59 | # fonts: 60 | # - family: Schyler 61 | # fonts: 62 | # - asset: fonts/Schyler-Regular.ttf 63 | # - asset: fonts/Schyler-Italic.ttf 64 | # style: italic 65 | # - family: Trajan Pro 66 | # fonts: 67 | # - asset: fonts/TrajanPro.ttf 68 | # - asset: fonts/TrajanPro_Bold.ttf 69 | # weight: 700 70 | # 71 | # For details regarding fonts from package dependencies, 72 | # see https://flutter.dev/custom-fonts/#from-packages 73 | -------------------------------------------------------------------------------- /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_test/flutter_test.dart'; 10 | 11 | import 'package:flutter_design/main.dart'; 12 | 13 | void main() { 14 | testWidgets('Counter increments smoke test', (WidgetTester tester) async { 15 | // Build our app and trigger a frame. 16 | await tester.pumpWidget(MyApp()); 17 | 18 | // Verify that our counter starts at 0. 19 | expect(find.text('0'), findsOneWidget); 20 | expect(find.text('1'), findsNothing); 21 | 22 | // Tap the '+' icon and trigger a frame. 23 | await tester.tap(find.byIcon(Icons.add)); 24 | await tester.pump(); 25 | 26 | // Verify that our counter has incremented. 27 | expect(find.text('0'), findsNothing); 28 | expect(find.text('1'), findsOneWidget); 29 | }); 30 | } 31 | -------------------------------------------------------------------------------- /web/icons/Icon-192.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/web/icons/Icon-192.png -------------------------------------------------------------------------------- /web/icons/Icon-512.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/FlutterOpen/design_patterns/93b7059718ac42d9d772205eaf697f81fb8aef07/web/icons/Icon-512.png -------------------------------------------------------------------------------- /web/index.html: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | flutter_design 15 | 16 | 17 | 18 | 21 | 28 | 29 | 30 | 31 | -------------------------------------------------------------------------------- /web/manifest.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "flutter_design", 3 | "short_name": "flutter_design", 4 | "start_url": ".", 5 | "display": "minimal-ui", 6 | "background_color": "#0175C2", 7 | "theme_color": "#0175C2", 8 | "description": "A new Flutter application.", 9 | "orientation": "portrait-primary", 10 | "prefer_related_applications": false, 11 | "icons": [ 12 | { 13 | "src": "icons/Icon-192.png", 14 | "sizes": "192x192", 15 | "type": "image/png" 16 | }, 17 | { 18 | "src": "icons/Icon-512.png", 19 | "sizes": "512x512", 20 | "type": "image/png" 21 | } 22 | ] 23 | } 24 | --------------------------------------------------------------------------------