├── .gitignore
├── README.md
├── app
    ├── .gitignore
    ├── build.gradle
    ├── proguard-rules.pro
    └── src
    │   └── main
    │       ├── AndroidManifest.xml
    │       ├── java
    │           └── com
    │           │   └── ziwenl
    │           │       └── srcscrollframelayout
    │           │           └── MainActivity.kt
    │       └── res
    │           ├── drawable-v24
    │               └── ic_launcher_foreground.xml
    │           ├── drawable
    │               ├── ic_launcher_background.xml
    │               └── shape_btn_bg.xml
    │           ├── layout
    │               └── activity_main.xml
    │           ├── mipmap-anydpi-v26
    │               ├── ic_launcher.xml
    │               └── ic_launcher_round.xml
    │           ├── mipmap-hdpi
    │               ├── ic_launcher.png
    │               └── ic_launcher_round.png
    │           ├── mipmap-mdpi
    │               ├── ic_launcher.png
    │               └── ic_launcher_round.png
    │           ├── mipmap-xhdpi
    │               ├── ic_launcher.png
    │               └── ic_launcher_round.png
    │           ├── mipmap-xxhdpi
    │               ├── ic_launcher.png
    │               ├── ic_launcher_round.png
    │               ├── login_icon_red_logo_login.png
    │               ├── login_longpic_background.webp
    │               └── xhswebview_icon_logo.png
    │           ├── mipmap-xxxhdpi
    │               ├── ic_launcher.png
    │               └── ic_launcher_round.png
    │           └── values
    │               ├── colors.xml
    │               ├── strings.xml
    │               └── styles.xml
├── build.gradle
├── gradle.properties
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── library
    ├── .gitignore
    ├── build.gradle
    ├── consumer-rules.pro
    ├── proguard-rules.pro
    └── src
    │   ├── androidTest
    │       └── java
    │       │   └── com
    │       │       └── ziwenl
    │       │           └── library
    │       │               └── ExampleInstrumentedTest.kt
    │   ├── main
    │       ├── AndroidManifest.xml
    │       ├── java
    │       │   └── com
    │       │   │   └── ziwenl
    │       │   │       └── library
    │       │   │           └── widgets
    │       │   │               ├── SrcLoopScrollFrameLayout.kt
    │       │   │               └── SrcScrollFrameLayout.java
    │       └── res
    │       │   └── values
    │       │       └── attrs.xml
    │   └── test
    │       └── java
    │           └── com
    │               └── ziwenl
    │                   └── library
    │                       └── ExampleUnitTest.kt
└── settings.gradle


/.gitignore:
--------------------------------------------------------------------------------
 1 | *.iml
 2 | .gradle
 3 | /local.properties
 4 | /.idea/caches
 5 | /.idea/libraries
 6 | /.idea/modules.xml
 7 | /.idea/workspace.xml
 8 | /.idea/navEditor.xml
 9 | /.idea/assetWizardSettings.xml
10 | .DS_Store
11 | /build
12 | /captures
13 | .externalNativeBuild
14 | .cxx
15 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # SrcScrollFrameLayout <a href="https://blog.csdn.net/lzw398756924/article/details/106101545" rel="nofollow">博客地址</a>
 2 | <h3 >基本介绍</h3>
 3 | <p>　　仿小红书登陆页面背景图无限滚动 FrameLayout <p>
 4 | 
 5 | <h3>显示效果</h3>
 6 | <img  src="https://img-blog.csdnimg.cn/20200514114713870.gif?raw=true" alt="实际效果" />
 7 | 
 8 | <h3>属性说明</h3>
 9 | <h5>自定义属性</h5>
10 | 
11 | |name|format|default|required|description|
12 | |:---:|:---:|:---:|:---:|:---:|
13 | | src | reference | | false |设置图片背景
14 | | maskLayerColor | color  | | false | 设置遮罩层颜色，建议带透明度
15 | | isScroll | boolean | true | false | 设置是否滚动
16 | | speed | integer | ordinary |false| 滚动速度 slow、ordinary、fast ，也可手动赋值 ( 建议取值区间 [1,50] ）
17 | | scrollOrientation| integer | toTop |false| 滚动方向 toTop、toBottom、toLeft、toRight ，默认是上移
18 | 
19 | <h5>自定义方法</h5>
20 | 
21 | |name|description|
22 | |:---:|:---:|
23 | | setSrcBitmap (Bitmap srcBitmap) | 设置背景图 bitmap |
24 | | startScroll ( ) | 开始滚动 |
25 | | stopScroll ( ) | 停止滚动 |
26 | | changeScrollOrientation ( ) | 切换滚动方向 , 从上移、下移、左移和右移按顺序切换 |
27 | | setScrollOrientation (@ScrollOrientation int scrollOrientation) | 设置滚动方向 |
28 | 
29 | <h3>使用方法</h3>
30 | <ul>
31 | <li>
32 | <p>1.复制类 <a href="https://github.com/ziwenL/SrcScrollFrameLayout/blob/master/library/src/main/java/com/ziwenl/library/widgets/SrcLoopScrollFrameLayout.kt" rel="nofollow">SrcLoopScrollFrameLayout</a> 到项目中，并将其<a href="https://github.com/ziwenL/SrcScrollFrameLayout/blob/master/library/src/main/res/values/attrs.xml" rel="nofollow"> 自定义属性 </a>复制至 attrs 中</p>
33 | </li>
34 | <li>
35 | <p>2.布局中引用 SrcLoopScrollFrameLayout ，通过 src、maskLayerColor 属性设置需要滚动的背景图和遮罩层颜色，然后当成普通 FrameLayout 来用即可</p>
36 | </li>
37 | </ul>
38 | 
39 | <h3>About Me<h3>
40 | <ul>
41 | <li>
42 | <p>Email: ziwen.lan@foxmail.com</p>
43 | </li>
44 | </ul>
45 | 


--------------------------------------------------------------------------------
/app/.gitignore:
--------------------------------------------------------------------------------
1 | /build
2 | 


--------------------------------------------------------------------------------
/app/build.gradle:
--------------------------------------------------------------------------------
 1 | apply plugin: 'com.android.application'
 2 | apply plugin: 'kotlin-android'
 3 | apply plugin: 'kotlin-android-extensions'
 4 | 
 5 | android {
 6 |     compileSdkVersion 29
 7 |     buildToolsVersion "29.0.2"
 8 | 
 9 |     defaultConfig {
10 |         applicationId "com.ziwenl.srcscrollframelayout"
11 |         minSdkVersion 19
12 |         targetSdkVersion 29
13 |         versionCode 1
14 |         versionName "1.0"
15 | 
16 |         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
17 |     }
18 | 
19 |     buildTypes {
20 |         release {
21 |             minifyEnabled false
22 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
23 |         }
24 |     }
25 | 
26 | }
27 | 
28 | dependencies {
29 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
30 |     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
31 |     implementation 'androidx.appcompat:appcompat:1.1.0'
32 |     implementation 'androidx.core:core-ktx:1.2.0'
33 |     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
34 |     testImplementation 'junit:junit:4.12'
35 |     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
36 |     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
37 | 
38 |     implementation project(':library')
39 | }
40 | 


--------------------------------------------------------------------------------
/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 | 


--------------------------------------------------------------------------------
/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.ziwenl.srcscrollframelayout">
 4 | 
 5 |     <application
 6 |         android:allowBackup="true"
 7 |         android:icon="@mipmap/xhswebview_icon_logo"
 8 |         android:label="@string/app_name"
 9 |         android:supportsRtl="true"
10 |         android:theme="@style/AppTheme">
11 |         <activity android:name=".MainActivity">
12 |             <intent-filter>
13 |                 <action android:name="android.intent.action.MAIN" />
14 | 
15 |                 <category android:name="android.intent.category.LAUNCHER" />
16 |             </intent-filter>
17 |         </activity>
18 |     </application>
19 | 
20 | </manifest>


--------------------------------------------------------------------------------
/app/src/main/java/com/ziwenl/srcscrollframelayout/MainActivity.kt:
--------------------------------------------------------------------------------
 1 | package com.ziwenl.srcscrollframelayout
 2 | 
 3 | import androidx.appcompat.app.AppCompatActivity
 4 | import android.os.Bundle
 5 | import android.view.WindowManager
 6 | import kotlinx.android.synthetic.main.activity_main.*
 7 | 
 8 | class MainActivity : AppCompatActivity() {
 9 | 
10 |     override fun onCreate(savedInstanceState: Bundle?) {
11 |         super.onCreate(savedInstanceState)
12 |         window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS)
13 |         setContentView(R.layout.activity_main)
14 | 
15 |         btn_start.setOnClickListener {
16 |             fl_main.startScroll()
17 |         }
18 |         btn_stop.setOnClickListener {
19 |             fl_main.stopScroll()
20 |         }
21 |         btn_change.setOnClickListener {
22 |             fl_main.changeScrollOrientation()
23 |         }
24 | 
25 |     }
26 | }
27 | 


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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
--------------------------------------------------------------------------------
 1 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:aapt="http://schemas.android.com/aapt"
 3 |     android:width="108dp"
 4 |     android:height="108dp"
 5 |     android:viewportWidth="108"
 6 |     android:viewportHeight="108">
 7 |     <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
 8 |         <aapt:attr name="android:fillColor">
 9 |             <gradient
10 |                 android:endX="85.84757"
11 |                 android:endY="92.4963"
12 |                 android:startX="42.9492"
13 |                 android:startY="49.59793"
14 |                 android:type="linear">
15 |                 <item
16 |                     android:color="#44000000"
17 |                     android:offset="0.0" />
18 |                 <item
19 |                     android:color="#00000000"
20 |                     android:offset="1.0" />
21 |             </gradient>
22 |         </aapt:attr>
23 |     </path>
24 |     <path
25 |         android:fillColor="#FFFFFF"
26 |         android:fillType="nonZero"
27 |         android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
28 |         android:strokeWidth="1"
29 |         android:strokeColor="#00000000" />
30 | </vector>


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/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
  3 |     android:width="108dp"
  4 |     android:height="108dp"
  5 |     android:viewportWidth="108"
  6 |     android:viewportHeight="108">
  7 |     <path
  8 |         android:fillColor="#3DDC84"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeWidth="0.8"
 14 |         android:strokeColor="#33FFFFFF" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeWidth="0.8"
 19 |         android:strokeColor="#33FFFFFF" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeWidth="0.8"
 24 |         android:strokeColor="#33FFFFFF" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeWidth="0.8"
 29 |         android:strokeColor="#33FFFFFF" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeWidth="0.8"
 34 |         android:strokeColor="#33FFFFFF" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeWidth="0.8"
 39 |         android:strokeColor="#33FFFFFF" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeWidth="0.8"
 44 |         android:strokeColor="#33FFFFFF" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeWidth="0.8"
 49 |         android:strokeColor="#33FFFFFF" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeWidth="0.8"
 54 |         android:strokeColor="#33FFFFFF" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeWidth="0.8"
 59 |         android:strokeColor="#33FFFFFF" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeWidth="0.8"
 64 |         android:strokeColor="#33FFFFFF" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeWidth="0.8"
 69 |         android:strokeColor="#33FFFFFF" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeWidth="0.8"
 74 |         android:strokeColor="#33FFFFFF" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeWidth="0.8"
 79 |         android:strokeColor="#33FFFFFF" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeWidth="0.8"
 84 |         android:strokeColor="#33FFFFFF" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeWidth="0.8"
 89 |         android:strokeColor="#33FFFFFF" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeWidth="0.8"
 94 |         android:strokeColor="#33FFFFFF" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeWidth="0.8"
 99 |         android:strokeColor="#33FFFFFF" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeWidth="0.8"
104 |         android:strokeColor="#33FFFFFF" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeWidth="0.8"
109 |         android:strokeColor="#33FFFFFF" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeWidth="0.8"
114 |         android:strokeColor="#33FFFFFF" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeWidth="0.8"
119 |         android:strokeColor="#33FFFFFF" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeWidth="0.8"
124 |         android:strokeColor="#33FFFFFF" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeWidth="0.8"
129 |         android:strokeColor="#33FFFFFF" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeWidth="0.8"
134 |         android:strokeColor="#33FFFFFF" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeWidth="0.8"
139 |         android:strokeColor="#33FFFFFF" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeWidth="0.8"
144 |         android:strokeColor="#33FFFFFF" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeWidth="0.8"
149 |         android:strokeColor="#33FFFFFF" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeWidth="0.8"
154 |         android:strokeColor="#33FFFFFF" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeWidth="0.8"
159 |         android:strokeColor="#33FFFFFF" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeWidth="0.8"
164 |         android:strokeColor="#33FFFFFF" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeWidth="0.8"
169 |         android:strokeColor="#33FFFFFF" />
170 | </vector>
171 | 


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/app/src/main/res/drawable/shape_btn_bg.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <shape xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <solid android:color="@android:color/white" />
4 |     <corners android:radius="10dp"/>
5 | </shape>


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/app/src/main/res/layout/activity_main.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <com.ziwenl.library.widgets.SrcLoopScrollFrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     xmlns:app="http://schemas.android.com/apk/res-auto"
 4 |     android:id="@+id/fl_main"
 5 |     android:layout_width="match_parent"
 6 |     android:layout_height="match_parent"
 7 |     app:maskLayerColor="#80000000"
 8 |     app:scrollOrientation="toTop"
 9 |     app:src="@mipmap/login_longpic_background">
10 | 
11 |     <ImageView
12 |         android:layout_width="wrap_content"
13 |         android:layout_height="wrap_content"
14 |         android:layout_gravity="center_horizontal"
15 |         android:layout_marginTop="160dp"
16 |         android:src="@mipmap/login_icon_red_logo_login" />
17 | 
18 |     <Button
19 |         android:id="@+id/btn_start"
20 |         android:layout_width="220dp"
21 |         android:layout_height="45dp"
22 |         android:layout_gravity="center_horizontal|bottom"
23 |         android:layout_marginBottom="220dp"
24 |         android:background="@drawable/shape_btn_bg"
25 |         android:text="开始滚动" />
26 | 
27 |     <Button
28 |         android:id="@+id/btn_stop"
29 |         android:layout_width="220dp"
30 |         android:layout_height="45dp"
31 |         android:layout_gravity="center_horizontal|bottom"
32 |         android:layout_marginBottom="160dp"
33 |         android:background="@drawable/shape_btn_bg"
34 |         android:text="停止滚动" />
35 | 
36 |     <Button
37 |         android:id="@+id/btn_change"
38 |         android:layout_width="220dp"
39 |         android:layout_height="45dp"
40 |         android:layout_gravity="center_horizontal|bottom"
41 |         android:layout_marginBottom="100dp"
42 |         android:background="@drawable/shape_btn_bg"
43 |         android:text="切换滚动方向" />
44 | </com.ziwenl.library.widgets.SrcLoopScrollFrameLayout>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/ziwenL/SrcScrollFrameLayout/b3624a73e650eeffc63b710e8d2b2cca06be757e/app/src/main/res/mipmap-hdpi/ic_launcher.png


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/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
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/app/src/main/res/mipmap-xxhdpi/login_icon_red_logo_login.png:
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/app/src/main/res/mipmap-xxhdpi/login_longpic_background.webp:
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/app/src/main/res/mipmap-xxhdpi/xhswebview_icon_logo.png:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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/app/src/main/res/values/colors.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 |     <color name="colorPrimary">#FFFFFF</color>
4 |     <color name="colorPrimaryDark">#FFFFFF</color>
5 |     <color name="colorAccent">#03DAC5</color>
6 | </resources>
7 | 


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/app/src/main/res/values/strings.xml:
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1 | <resources>
2 |     <string name="app_name">SrcScrollFrameLayout</string>
3 | </resources>
4 | 


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/app/src/main/res/values/styles.xml:
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 1 | <resources>
 2 | 
 3 |     <!-- Base application theme. -->
 4 |     <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
 5 |         <!-- Customize your theme here. -->
 6 |         <item name="colorPrimary">@color/colorPrimary</item>
 7 |         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 8 |         <item name="colorAccent">@color/colorAccent</item>
 9 |     </style>
10 | 
11 | </resources>
12 | 


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/build.gradle:
--------------------------------------------------------------------------------
 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
 2 | 
 3 | buildscript {
 4 |     ext.kotlin_version = '1.3.71'
 5 |     repositories {
 6 |         google()
 7 |         jcenter()
 8 |         
 9 |     }
10 |     dependencies {
11 |         classpath 'com.android.tools.build:gradle:3.6.0'
12 |         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
13 | 
14 |         // NOTE: Do not place your application dependencies here; they belong
15 |         // in the individual module build.gradle files
16 |     }
17 | }
18 | 
19 | allprojects {
20 |     repositories {
21 |         google()
22 |         jcenter()
23 |         
24 |     }
25 | }
26 | 
27 | task clean(type: Delete) {
28 |     delete rootProject.buildDir
29 | }
30 | 


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/gradle.properties:
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 1 | # Project-wide Gradle settings.
 2 | # IDE (e.g. Android Studio) users:
 3 | # Gradle settings configured through the IDE *will override*
 4 | # any settings specified in this file.
 5 | # For more details on how to configure your build environment visit
 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 7 | # Specifies the JVM arguments used for the daemon process.
 8 | # The setting is particularly useful for tweaking memory settings.
 9 | org.gradle.jvmargs=-Xmx1536m
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
13 | # org.gradle.parallel=true
14 | # AndroidX package structure to make it clearer which packages are bundled with the
15 | # Android operating system, and which are packaged with your app's APK
16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn
17 | android.useAndroidX=true
18 | # Automatically convert third-party libraries to use AndroidX
19 | android.enableJetifier=true
20 | # Kotlin code style for this project: "official" or "obsolete":
21 | kotlin.code.style=official
22 | 


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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/ziwenL/SrcScrollFrameLayout/b3624a73e650eeffc63b710e8d2b2cca06be757e/gradle/wrapper/gradle-wrapper.jar


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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Wed May 13 11:21:15 CST 2020
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-5.6.4-all.zip
7 | 


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/gradlew:
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  1 | #!/usr/bin/env sh
  2 | 
  3 | ##############################################################################
  4 | ##
  5 | ##  Gradle start up script for UN*X
  6 | ##
  7 | ##############################################################################
  8 | 
  9 | # Attempt to set APP_HOME
 10 | # Resolve links: $0 may be a link
 11 | PRG="$0"
 12 | # Need this for relative symlinks.
 13 | while [ -h "$PRG" ] ; do
 14 |     ls=`ls -ld "$PRG"`
 15 |     link=`expr "$ls" : '.*-> \(.*\)$'`
 16 |     if expr "$link" : '/.*' > /dev/null; then
 17 |         PRG="$link"
 18 |     else
 19 |         PRG=`dirname "$PRG"`"/$link"
 20 |     fi
 21 | done
 22 | SAVED="`pwd`"
 23 | cd "`dirname \"$PRG\"`/" >/dev/null
 24 | APP_HOME="`pwd -P`"
 25 | cd "$SAVED" >/dev/null
 26 | 
 27 | APP_NAME="Gradle"
 28 | APP_BASE_NAME=`basename "$0"`
 29 | 
 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 31 | DEFAULT_JVM_OPTS=""
 32 | 
 33 | # Use the maximum available, or set MAX_FD != -1 to use that value.
 34 | MAX_FD="maximum"
 35 | 
 36 | warn () {
 37 |     echo "$*"
 38 | }
 39 | 
 40 | die () {
 41 |     echo
 42 |     echo "$*"
 43 |     echo
 44 |     exit 1
 45 | }
 46 | 
 47 | # OS specific support (must be 'true' or 'false').
 48 | cygwin=false
 49 | msys=false
 50 | darwin=false
 51 | nonstop=false
 52 | case "`uname`" in
 53 |   CYGWIN* )
 54 |     cygwin=true
 55 |     ;;
 56 |   Darwin* )
 57 |     darwin=true
 58 |     ;;
 59 |   MINGW* )
 60 |     msys=true
 61 |     ;;
 62 |   NONSTOP* )
 63 |     nonstop=true
 64 |     ;;
 65 | esac
 66 | 
 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 68 | 
 69 | # Determine the Java command to use to start the JVM.
 70 | if [ -n "$JAVA_HOME" ] ; then
 71 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 72 |         # IBM's JDK on AIX uses strange locations for the executables
 73 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 74 |     else
 75 |         JAVACMD="$JAVA_HOME/bin/java"
 76 |     fi
 77 |     if [ ! -x "$JAVACMD" ] ; then
 78 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 79 | 
 80 | Please set the JAVA_HOME variable in your environment to match the
 81 | location of your Java installation."
 82 |     fi
 83 | else
 84 |     JAVACMD="java"
 85 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 86 | 
 87 | Please set the JAVA_HOME variable in your environment to match the
 88 | location of your Java installation."
 89 | fi
 90 | 
 91 | # Increase the maximum file descriptors if we can.
 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
 93 |     MAX_FD_LIMIT=`ulimit -H -n`
 94 |     if [ $? -eq 0 ] ; then
 95 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
 96 |             MAX_FD="$MAX_FD_LIMIT"
 97 |         fi
 98 |         ulimit -n $MAX_FD
 99 |         if [ $? -ne 0 ] ; then
100 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
101 |         fi
102 |     else
103 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
104 |     fi
105 | fi
106 | 
107 | # For Darwin, add options to specify how the application appears in the dock
108 | if $darwin; then
109 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
110 | fi
111 | 
112 | # For Cygwin, switch paths to Windows format before running java
113 | if $cygwin ; then
114 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
115 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
116 |     JAVACMD=`cygpath --unix "$JAVACMD"`
117 | 
118 |     # We build the pattern for arguments to be converted via cygpath
119 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 |     SEP=""
121 |     for dir in $ROOTDIRSRAW ; do
122 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
123 |         SEP="|"
124 |     done
125 |     OURCYGPATTERN="(^($ROOTDIRS))"
126 |     # Add a user-defined pattern to the cygpath arguments
127 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 |     fi
130 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 |     i=0
132 |     for arg in "$@" ; do
133 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
135 | 
136 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
137 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 |         else
139 |             eval `echo args$i`="\"$arg\""
140 |         fi
141 |         i=$((i+1))
142 |     done
143 |     case $i in
144 |         (0) set -- ;;
145 |         (1) set -- "$args0" ;;
146 |         (2) set -- "$args0" "$args1" ;;
147 |         (3) set -- "$args0" "$args1" "$args2" ;;
148 |         (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 |         (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 |         (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 |         (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 |         (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 |         (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 |     esac
155 | fi
156 | 
157 | # Escape application args
158 | save () {
159 |     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
160 |     echo " "
161 | }
162 | APP_ARGS=$(save "$@")
163 | 
164 | # Collect all arguments for the java command, following the shell quoting and substitution rules
165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
166 | 
167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
169 |   cd "$(dirname "$0")"
170 | fi
171 | 
172 | exec "$JAVACMD" "$@"
173 | 


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/gradlew.bat:
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 1 | @if "%DEBUG%" == "" @echo off
 2 | @rem ##########################################################################
 3 | @rem
 4 | @rem  Gradle startup script for Windows
 5 | @rem
 6 | @rem ##########################################################################
 7 | 
 8 | @rem Set local scope for the variables with windows NT shell
 9 | if "%OS%"=="Windows_NT" setlocal
10 | 
11 | set DIRNAME=%~dp0
12 | if "%DIRNAME%" == "" set DIRNAME=.
13 | set APP_BASE_NAME=%~n0
14 | set APP_HOME=%DIRNAME%
15 | 
16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
17 | set DEFAULT_JVM_OPTS=
18 | 
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 | 
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 | 
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 | 
32 | goto fail
33 | 
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 | 
38 | if exist "%JAVA_EXE%" goto init
39 | 
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 | 
46 | goto fail
47 | 
48 | :init
49 | @rem Get command-line arguments, handling Windows variants
50 | 
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | 
53 | :win9xME_args
54 | @rem Slurp the command line arguments.
55 | set CMD_LINE_ARGS=
56 | set _SKIP=2
57 | 
58 | :win9xME_args_slurp
59 | if "x%~1" == "x" goto execute
60 | 
61 | set CMD_LINE_ARGS=%*
62 | 
63 | :execute
64 | @rem Setup the command line
65 | 
66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
67 | 
68 | @rem Execute Gradle
69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
70 | 
71 | :end
72 | @rem End local scope for the variables with windows NT shell
73 | if "%ERRORLEVEL%"=="0" goto mainEnd
74 | 
75 | :fail
76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
77 | rem the _cmd.exe /c_ return code!
78 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
79 | exit /b 1
80 | 
81 | :mainEnd
82 | if "%OS%"=="Windows_NT" endlocal
83 | 
84 | :omega
85 | 


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/library/.gitignore:
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1 | /build
2 | 


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/library/build.gradle:
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 1 | apply plugin: 'com.android.library'
 2 | apply plugin: 'kotlin-android'
 3 | apply plugin: 'kotlin-android-extensions'
 4 | 
 5 | android {
 6 |     compileSdkVersion 29
 7 |     buildToolsVersion "29.0.2"
 8 | 
 9 |     defaultConfig {
10 |         minSdkVersion 19
11 |         targetSdkVersion 29
12 |         versionCode 1
13 |         versionName "1.0"
14 | 
15 |         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
16 |         consumerProguardFiles 'consumer-rules.pro'
17 |     }
18 | 
19 |     buildTypes {
20 |         release {
21 |             minifyEnabled false
22 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
23 |         }
24 |     }
25 | 
26 | }
27 | 
28 | dependencies {
29 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
30 |     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
31 |     implementation 'androidx.appcompat:appcompat:1.1.0'
32 |     implementation 'androidx.core:core-ktx:1.2.0'
33 |     testImplementation 'junit:junit:4.12'
34 |     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
35 |     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
36 | }
37 | 


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/library/consumer-rules.pro:
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https://raw.githubusercontent.com/ziwenL/SrcScrollFrameLayout/b3624a73e650eeffc63b710e8d2b2cca06be757e/library/consumer-rules.pro


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/library/proguard-rules.pro:
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 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 | 


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/library/src/androidTest/java/com/ziwenl/library/ExampleInstrumentedTest.kt:
--------------------------------------------------------------------------------
 1 | package com.ziwenl.library
 2 | 
 3 | import androidx.test.platform.app.InstrumentationRegistry
 4 | import androidx.test.ext.junit.runners.AndroidJUnit4
 5 | 
 6 | import org.junit.Test
 7 | import org.junit.runner.RunWith
 8 | 
 9 | import org.junit.Assert.*
10 | 
11 | /**
12 |  * Instrumented test, which will execute on an Android device.
13 |  *
14 |  * See [testing documentation](http://d.android.com/tools/testing).
15 |  */
16 | @RunWith(AndroidJUnit4::class)
17 | class ExampleInstrumentedTest {
18 |     @Test
19 |     fun useAppContext() {
20 |         // Context of the app under test.
21 |         val appContext = InstrumentationRegistry.getInstrumentation().targetContext
22 |         assertEquals("com.ziwenl.library.test", appContext.packageName)
23 |     }
24 | }
25 | 


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


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/library/src/main/java/com/ziwenl/library/widgets/SrcLoopScrollFrameLayout.kt:
--------------------------------------------------------------------------------
  1 | package com.ziwenl.library.widgets
  2 | 
  3 | import android.content.Context
  4 | import android.graphics.*
  5 | import android.graphics.drawable.BitmapDrawable
  6 | import android.graphics.drawable.Drawable
  7 | import android.util.AttributeSet
  8 | import android.widget.FrameLayout
  9 | import androidx.annotation.ColorInt
 10 | import androidx.annotation.IntDef
 11 | import com.ziwenl.library.R
 12 | 
 13 | /**
 14 |  * PackageName : com.ziwenl.library.widgets
 15 |  * Author : Ziwen Lan
 16 |  * Date : 2021/5/25
 17 |  * Time : 16:41
 18 |  * Introduction :仿小红书登陆页面背景图无限滚动 FrameLayout kotlin 版
 19 |  * 功能特点：
 20 |  * 1.将选择的图片按比例缩放填满当前 View 高度
 21 |  * 2.背景图片缩放后宽/高度小于当前 View 宽/高度时自动复制黏贴直到占满当前 View 宽/高度，以此来达到无限滚动效果
 22 |  * 3.可通过自定义属性 speed 调整滚动速度，提供 slow、ordinary 和 fast 选项，也可自行填入 int 值，值越大滚动速度越快，建议 1 ≤ speed ≤ 50
 23 |  * 4.可通过自定义属性 maskLayerColor 设置遮罩层颜色，建议带透明度
 24 |  * 5.提供 startScroll 和 stopScroll 方法控制开始/停止滚动
 25 |  * 6.可通过自定义属性 scrollOrientation 设置滚动方向，可设置为上移、下移、左移或右移
 26 |  */
 27 | class SrcLoopScrollFrameLayout : FrameLayout {
 28 | 
 29 |     companion object {
 30 | 
 31 |         /**
 32 |          * 滚动方向
 33 |          */
 34 |         @IntDef(OUT_SLIDE_TOP, OUT_SLIDE_BOTTOM, OUT_SLIDE_LEFT, OUT_SLIDE_RIGHT)
 35 |         @Retention(AnnotationRetention.SOURCE)
 36 |         annotation class ScrollOrientation
 37 | 
 38 |         /**
 39 |          * 滚动方向常量
 40 |          * 0:往上滚出
 41 |          * 1:往下滚出
 42 |          * 2:往左滚出
 43 |          * 3:往右滚出
 44 |          */
 45 |         const val OUT_SLIDE_TOP = 0
 46 |         const val OUT_SLIDE_BOTTOM = 1
 47 |         const val OUT_SLIDE_LEFT = 2
 48 |         const val OUT_SLIDE_RIGHT = 3
 49 | 
 50 |         /**
 51 |          * 重绘间隔时间
 52 |          */
 53 |         private const val DEFAULT_DRAW_INTERVALS_TIME = 5L
 54 |     }
 55 | 
 56 | 
 57 |     /**
 58 |      * 间隔时间内平移距离
 59 |      */
 60 |     private var mPanDistance = 0f
 61 | 
 62 |     /**
 63 |      * 间隔时间内平移增距
 64 |      */
 65 |     private var mIntervalIncreaseDistance = 0.5f
 66 | 
 67 |     /**
 68 |      * 填满当前view所需bitmap个数
 69 |      */
 70 |     private var mBitmapCount = 0
 71 | 
 72 |     /**
 73 |      * 是否开始滚动
 74 |      */
 75 |     private var mIsScroll = false
 76 | 
 77 |     /**
 78 |      * 滚动方向，默认往上滚出
 79 |      */
 80 |     @ScrollOrientation
 81 |     private var mScrollOrientation = OUT_SLIDE_TOP
 82 | 
 83 |     /**
 84 |      * 遮罩层颜色
 85 |      */
 86 |     @ColorInt
 87 |     private var mMaskLayerColor = 0
 88 | 
 89 |     private var mDrawable: Drawable? = null
 90 |     private var mSrcBitmap: Bitmap? = null
 91 |     private lateinit var mPaint: Paint
 92 |     private lateinit var mMatrix: Matrix
 93 | 
 94 |     constructor(context: Context) : super(context) {
 95 |         initView(context, null, 0)
 96 |     }
 97 | 
 98 |     constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
 99 |         initView(context, attrs, 0)
100 |     }
101 | 
102 |     constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
103 |         context,
104 |         attrs,
105 |         defStyleAttr
106 |     ) {
107 |         initView(context, attrs, defStyleAttr)
108 |     }
109 | 
110 |     private fun initView(context: Context, attrs: AttributeSet?, defStyleAttr: Int) {
111 |         val array = context.theme.obtainStyledAttributes(
112 |             attrs,
113 |             R.styleable.SrcLoopScrollFrameLayout,
114 |             defStyleAttr,
115 |             0
116 |         )
117 |         val speed = array.getInteger(R.styleable.SrcLoopScrollFrameLayout_speed, 3)
118 |         mScrollOrientation =
119 |             array.getInteger(R.styleable.SrcLoopScrollFrameLayout_scrollOrientation, OUT_SLIDE_TOP)
120 |         mIntervalIncreaseDistance *= speed
121 |         mDrawable = array.getDrawable(R.styleable.SrcLoopScrollFrameLayout_src)
122 |         mIsScroll = array.getBoolean(R.styleable.SrcLoopScrollFrameLayout_isScroll, true)
123 |         mMaskLayerColor =
124 |             array.getColor(R.styleable.SrcLoopScrollFrameLayout_maskLayerColor, Color.TRANSPARENT)
125 |         array.recycle()
126 | 
127 |         setWillNotDraw(false)
128 |         mPaint = Paint()
129 |         mMatrix = Matrix()
130 |     }
131 | 
132 |     override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
133 |         super.onSizeChanged(w, h, oldw, oldh)
134 |         if (mDrawable == null || mDrawable !is BitmapDrawable) {
135 |             return
136 |         }
137 |         if (visibility == GONE) {
138 |             return
139 |         }
140 |         if (w == 0 || h == 0) {
141 |             return
142 |         }
143 |         if (mSrcBitmap == null) {
144 |             val bitmap = (mDrawable as BitmapDrawable).bitmap
145 |             //调整色彩模式进行质量压缩
146 |             val compressBitmap = bitmap.copy(Bitmap.Config.RGB_565, true)
147 |             //缩放 Bitmap
148 |             mSrcBitmap = scaleBitmap(compressBitmap)
149 |             //计算至少需要几个 bitmap 才能填满当前 view
150 |             when (mScrollOrientation) {
151 |                 OUT_SLIDE_TOP, OUT_SLIDE_BOTTOM -> {
152 |                     mBitmapCount = measuredHeight / mSrcBitmap!!.height + 1
153 |                 }
154 |                 OUT_SLIDE_LEFT, OUT_SLIDE_RIGHT -> {
155 |                     mBitmapCount = measuredWidth / mSrcBitmap!!.width + 1
156 |                 }
157 |             }
158 |             if (!compressBitmap.isRecycled) {
159 |                 compressBitmap.isRecycled
160 |                 System.gc()
161 |             }
162 |         }
163 |     }
164 | 
165 |     override fun onDraw(canvas: Canvas) {
166 |         super.onDraw(canvas)
167 |         if (mSrcBitmap == null) {
168 |             return
169 |         }
170 |         val length = if (scrollOrientationIsVertical()) mSrcBitmap!!.height else mSrcBitmap!!.width
171 |         if (length + mPanDistance != 0f) {
172 |             //第一张图片未完全滚出屏幕
173 |             mMatrix.reset()
174 |             when (mScrollOrientation) {
175 |                 OUT_SLIDE_TOP -> {
176 |                     mMatrix.postTranslate(0f, mPanDistance)
177 |                 }
178 |                 OUT_SLIDE_BOTTOM -> {
179 |                     mMatrix.postTranslate(0f, measuredHeight - length - mPanDistance)
180 |                 }
181 |                 OUT_SLIDE_LEFT -> {
182 |                     mMatrix.postTranslate(mPanDistance, 0f)
183 |                 }
184 |                 OUT_SLIDE_RIGHT -> {
185 |                     mMatrix.postTranslate(measuredWidth - length - mPanDistance, 0f)
186 |                 }
187 |             }
188 |             canvas.drawBitmap(mSrcBitmap!!, mMatrix, mPaint)
189 |         }
190 |         if (length + mPanDistance < (if (scrollOrientationIsVertical()) measuredHeight else measuredWidth)) {
191 |             //用于补充留白的图片出现在屏幕
192 |             for (i in 0 until mBitmapCount) {
193 |                 mMatrix.reset()
194 |                 when (mScrollOrientation) {
195 |                     OUT_SLIDE_TOP -> {
196 |                         mMatrix.postTranslate(0f, (i + 1) * length + mPanDistance)
197 |                     }
198 |                     OUT_SLIDE_BOTTOM -> {
199 |                         mMatrix.postTranslate(0f, measuredHeight - (i + 2) * length - mPanDistance)
200 |                     }
201 |                     OUT_SLIDE_LEFT -> {
202 |                         mMatrix.postTranslate((i + 1) * length + mPanDistance, 0f)
203 |                     }
204 |                     OUT_SLIDE_RIGHT -> {
205 |                         mMatrix.postTranslate(measuredWidth - (i + 2) * length - mPanDistance, 0f)
206 |                     }
207 |                 }
208 |                 canvas.drawBitmap(mSrcBitmap!!, mMatrix, mPaint)
209 |             }
210 |         }
211 |         //绘制遮罩层
212 |         if (mMaskLayerColor != Color.TRANSPARENT) {
213 |             canvas.drawColor(mMaskLayerColor)
214 |         }
215 |         //延时重绘实现滚动效果
216 |         if (mIsScroll) {
217 |             handler.postDelayed(mRedrawRunnable, DEFAULT_DRAW_INTERVALS_TIME)
218 |         }
219 |     }
220 | 
221 |     /**
222 |      * 重绘
223 |      */
224 |     private val mRedrawRunnable = Runnable {
225 |         val length = if (scrollOrientationIsVertical()) mSrcBitmap!!.height else mSrcBitmap!!.width
226 |         if (length + mPanDistance <= 0) {
227 |             //第一张已完全滚出屏幕，重置平移距离
228 |             mPanDistance = 0f
229 |         }
230 |         mPanDistance -= mIntervalIncreaseDistance
231 |         invalidate()
232 |     }
233 | 
234 |     /**
235 |      * 设置背景图 bitmap
236 |      * 通过该方法设置的背景图，当 屏幕翻转/暗黑模式切换 等涉及到 activity 重构的情况出现时，需要在 activity 重构后重新设置背景图
237 |      * @srcBitmap 背景图
238 |      * @isMassReduce 是否进行质量压缩(通过调整色彩模式实现，默认进行压缩)
239 |      */
240 |     fun setSrcBitmap(srcBitmap: Bitmap, isMassReduce: Boolean = true) {
241 |         val oldScrollStatus = mIsScroll
242 |         if (oldScrollStatus) {
243 |             stopScroll()
244 |         }
245 |         val compressBitmap: Bitmap =
246 |             if (isMassReduce && srcBitmap.config != Bitmap.Config.RGB_565) {
247 |                 //调整色彩模式进行质量压缩
248 |                 srcBitmap.copy(Bitmap.Config.RGB_565, true)
249 |             } else {
250 |                 srcBitmap
251 |             }
252 |         //按当前View宽度比例缩放 Bitmap
253 |         mSrcBitmap = scaleBitmap(compressBitmap)
254 |         //计算至少需要几个 bitmap 才能填满当前 view
255 |         mBitmapCount =
256 |             if (scrollOrientationIsVertical()) measuredHeight / mSrcBitmap!!.height + 1 else measuredWidth / mSrcBitmap!!.width + 1
257 |         if (!srcBitmap.isRecycled) {
258 |             srcBitmap.isRecycled
259 |             System.gc()
260 |         }
261 |         if (!compressBitmap.isRecycled) {
262 |             compressBitmap.isRecycled
263 |             System.gc()
264 |         }
265 |         if (oldScrollStatus) {
266 |             startScroll()
267 |         }
268 |     }
269 | 
270 |     /**
271 |      * 开始滚动
272 |      */
273 |     fun startScroll() {
274 |         if (mSrcBitmap != null && mIsScroll) {
275 |             return
276 |         }
277 |         mIsScroll = true
278 |         handler.postDelayed(mRedrawRunnable, DEFAULT_DRAW_INTERVALS_TIME)
279 |     }
280 | 
281 |     /**
282 |      * 停止滚动
283 |      */
284 |     fun stopScroll() {
285 |         if (!mIsScroll) {
286 |             return
287 |         }
288 |         mIsScroll = false
289 |         handler.removeCallbacks(mRedrawRunnable)
290 |     }
291 | 
292 |     /**
293 |      * 设置滚动方向
294 |      */
295 |     fun setScrollOrientation(@ScrollOrientation scrollOrientation: Int) {
296 |         mPanDistance = 0f
297 |         mScrollOrientation = scrollOrientation
298 |         if (mSrcBitmap != null) {
299 |             if (mDrawable != null && mDrawable is BitmapDrawable) {
300 |                 val bitmap = (mDrawable as BitmapDrawable).bitmap
301 |                 if (!bitmap.isRecycled) {
302 |                     setSrcBitmap(bitmap)
303 |                     return
304 |                 }
305 |             }
306 |             setSrcBitmap(mSrcBitmap!!)
307 |         }
308 |     }
309 | 
310 |     /**
311 |      * 切换滚动方向
312 |      */
313 |     fun changeScrollOrientation() {
314 |         mPanDistance = 0f
315 |         if (mScrollOrientation == OUT_SLIDE_RIGHT) {
316 |             mScrollOrientation = OUT_SLIDE_TOP
317 |         } else {
318 |             mScrollOrientation++
319 |         }
320 |         if (mSrcBitmap != null) {
321 |             if (mDrawable != null && mDrawable is BitmapDrawable) {
322 |                 val bitmap = (mDrawable as BitmapDrawable).bitmap
323 |                 if (!bitmap.isRecycled) {
324 |                     setSrcBitmap(bitmap)
325 |                     return
326 |                 }
327 |             }
328 |             setSrcBitmap(mSrcBitmap!!)
329 |         }
330 |     }
331 | 
332 |     /**
333 |      * 判断是否为竖直滚动
334 |      */
335 |     private fun scrollOrientationIsVertical(): Boolean {
336 |         return mScrollOrientation == OUT_SLIDE_TOP || mScrollOrientation == OUT_SLIDE_BOTTOM
337 |     }
338 | 
339 | 
340 |     /**
341 |      * 缩放 Bitmap
342 |      */
343 |     private fun scaleBitmap(originBitmap: Bitmap): Bitmap? {
344 |         val width = originBitmap.width
345 |         val height = originBitmap.height
346 |         val newHeight: Int
347 |         val newWidth: Int
348 |         if (scrollOrientationIsVertical()) {
349 |             newWidth = measuredWidth
350 |             newHeight = newWidth * height / width
351 |         } else {
352 |             newHeight = measuredHeight
353 |             newWidth = newHeight * width / height
354 |         }
355 |         return Bitmap.createScaledBitmap(originBitmap, newWidth, newHeight, true)
356 |     }
357 | }


--------------------------------------------------------------------------------
/library/src/main/java/com/ziwenl/library/widgets/SrcScrollFrameLayout.java:
--------------------------------------------------------------------------------
  1 | package com.ziwenl.library.widgets;
  2 | 
  3 | import android.content.Context;
  4 | import android.content.res.TypedArray;
  5 | import android.graphics.Bitmap;
  6 | import android.graphics.Canvas;
  7 | import android.graphics.Color;
  8 | import android.graphics.Matrix;
  9 | import android.graphics.Paint;
 10 | import android.graphics.drawable.BitmapDrawable;
 11 | import android.graphics.drawable.Drawable;
 12 | import android.util.AttributeSet;
 13 | import android.widget.FrameLayout;
 14 | 
 15 | import androidx.annotation.ColorInt;
 16 | import androidx.annotation.IntDef;
 17 | import androidx.annotation.NonNull;
 18 | import androidx.annotation.Nullable;
 19 | 
 20 | import com.ziwenl.library.R;
 21 | 
 22 | import java.lang.annotation.Retention;
 23 | import java.lang.annotation.RetentionPolicy;
 24 | 
 25 | /**
 26 |  * PackageName : com.ziwenl.library.widgets
 27 |  * Author : Ziwen Lan
 28 |  * Date : 2020/5/13
 29 |  * Time : 11:23
 30 |  * Introduction :仿小红书登陆页面背景图无限滚动 FrameLayout
 31 |  * 功能特点：
 32 |  * 1.将选择的图片按比例缩放填满当前 View 高度
 33 |  * 2.背景图片缩放后宽/高度小于当前 View 宽/高度时自动复制黏贴直到占满当前 View 宽/高度，以此来达到无限滚动效果
 34 |  * 3.可通过自定义属性 speed 调整滚动速度，提供 slow、ordinary 和 fast 选项，也可自行填入 int 值，值越大滚动速度越快，建议 1 ≤ speed ≤ 50
 35 |  * 4.可通过自定义属性 maskLayerColor 设置遮罩层颜色，建议带透明度
 36 |  * 5.提供 startScroll 和 stopScroll 方法控制开始/停止滚动
 37 |  * 6.可通过自定义属性 scrollOrientation 设置滚动方向，可设置为上移、下移、左移或右移
 38 |  *
 39 |  * @Deprecated 建议使用最新的 kotlin 版 {@link SrcLoopScrollFrameLayout}，后续 Java 版本可能将放弃维护
 40 |  */
 41 | @Deprecated
 42 | public class SrcScrollFrameLayout extends FrameLayout {
 43 |     /**
 44 |      * 滚动方向
 45 |      * 0:往上滚出
 46 |      * 1:往下滚出
 47 |      * 2:往左滚出
 48 |      * 3:往右滚出
 49 |      */
 50 |     public final static int OUT_SLIDE_TOP = 0;
 51 |     public final static int OUT_SLIDE_BOTTOM = 1;
 52 |     public final static int OUT_SLIDE_LEFT = 2;
 53 |     public final static int OUT_SLIDE_RIGHT = 3;
 54 | 
 55 |     @IntDef({OUT_SLIDE_TOP, OUT_SLIDE_BOTTOM, OUT_SLIDE_LEFT, OUT_SLIDE_RIGHT})
 56 |     @Retention(RetentionPolicy.SOURCE)
 57 |     public @interface ScrollOrientation {
 58 |     }
 59 | 
 60 |     /**
 61 |      * 重绘间隔时间
 62 |      */
 63 |     private final static long DEFAULT_DRAW_INTERVALS_TIME = 5L;
 64 |     /**
 65 |      * 间隔时间内平移距离
 66 |      */
 67 |     private float mPanDistance = 0;
 68 |     /**
 69 |      * 间隔时间内平移增距
 70 |      */
 71 |     private float mIntervalIncreaseDistance = 0.5f;
 72 |     /**
 73 |      * 填满当前view所需bitmap个数
 74 |      */
 75 |     private int mBitmapCount = 0;
 76 |     /**
 77 |      * 是否开始滚动
 78 |      */
 79 |     private boolean mIsScroll;
 80 |     /**
 81 |      * 滚动方向，默认往上滚出
 82 |      */
 83 |     @ScrollOrientation
 84 |     private int mScrollOrientation;
 85 |     /**
 86 |      * 遮罩层颜色
 87 |      */
 88 |     @ColorInt
 89 |     private int mMaskLayerColor;
 90 | 
 91 |     private Drawable mDrawable;
 92 |     private Bitmap mSrcBitmap;
 93 |     private Paint mPaint;
 94 |     private Matrix mMatrix;
 95 | 
 96 |     public SrcScrollFrameLayout(@NonNull Context context) {
 97 |         this(context, null, 0);
 98 |     }
 99 | 
100 |     public SrcScrollFrameLayout(@NonNull Context context, @Nullable AttributeSet attrs) {
101 |         this(context, attrs, 0);
102 |     }
103 | 
104 |     public SrcScrollFrameLayout(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
105 |         super(context, attrs, defStyleAttr);
106 | 
107 |         TypedArray array = context.getTheme().obtainStyledAttributes(attrs, R.styleable.SrcScrollFrameLayout, defStyleAttr, 0);
108 |         int speed = array.getInteger(R.styleable.SrcScrollFrameLayout_speed, 3);
109 |         mScrollOrientation = array.getInteger(R.styleable.SrcScrollFrameLayout_scrollOrientation, OUT_SLIDE_TOP);
110 |         mIntervalIncreaseDistance = speed * mIntervalIncreaseDistance;
111 |         mDrawable = array.getDrawable(R.styleable.SrcScrollFrameLayout_src);
112 |         mIsScroll = array.getBoolean(R.styleable.SrcScrollFrameLayout_isScroll, true);
113 |         mMaskLayerColor = array.getColor(R.styleable.SrcScrollFrameLayout_maskLayerColor, Color.TRANSPARENT);
114 |         array.recycle();
115 | 
116 |         setWillNotDraw(false);
117 |         mPaint = new Paint();
118 |         mMatrix = new Matrix();
119 | 
120 |     }
121 | 
122 |     @Override
123 |     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
124 |         super.onSizeChanged(w, h, oldw, oldh);
125 |         if (mDrawable == null || !(mDrawable instanceof BitmapDrawable)) {
126 |             return;
127 |         }
128 |         if (getVisibility() == GONE) {
129 |             return;
130 |         }
131 |         if (w == 0 || h == 0) {
132 |             return;
133 |         }
134 |         if (mSrcBitmap == null) {
135 |             Bitmap bitmap = ((BitmapDrawable) mDrawable).getBitmap();
136 |             //调整色彩模式进行质量压缩
137 |             Bitmap compressBitmap = bitmap.copy(Bitmap.Config.RGB_565, true);
138 |             //缩放 Bitmap
139 |             mSrcBitmap = scaleBitmap(compressBitmap);
140 |             //计算至少需要几个 bitmap 才能填满当前 view
141 |             mBitmapCount = scrollOrientationIsVertical() ?
142 |                     getMeasuredHeight() / mSrcBitmap.getHeight() + 1
143 |                     :
144 |                     getMeasuredWidth() / mSrcBitmap.getWidth() + 1;
145 |             if (!compressBitmap.isRecycled()) {
146 |                 compressBitmap.isRecycled();
147 |                 System.gc();
148 |             }
149 |         }
150 |     }
151 | 
152 |     @Override
153 |     protected void onDraw(Canvas canvas) {
154 |         super.onDraw(canvas);
155 |         if (mSrcBitmap == null) {
156 |             return;
157 |         }
158 |         int length = scrollOrientationIsVertical() ? mSrcBitmap.getHeight() : mSrcBitmap.getWidth();
159 |         int measuredHeight = getMeasuredHeight();
160 |         int measuredWidth = getMeasuredWidth();
161 |         if (length + mPanDistance != 0) {
162 |             //第一张图片未完全滚出屏幕
163 |             mMatrix.reset();
164 |             switch (mScrollOrientation) {
165 |                 case OUT_SLIDE_TOP:
166 |                     mMatrix.postTranslate(0, mPanDistance);
167 |                     break;
168 |                 case OUT_SLIDE_BOTTOM:
169 |                     mMatrix.postTranslate(0f, measuredHeight - length - mPanDistance);
170 |                     break;
171 |                 case OUT_SLIDE_LEFT:
172 |                     mMatrix.postTranslate(mPanDistance, 0);
173 |                     break;
174 |                 case OUT_SLIDE_RIGHT:
175 |                     mMatrix.postTranslate(measuredWidth - length - mPanDistance, 0f);
176 |                     break;
177 | 
178 |             }
179 |             canvas.drawBitmap(mSrcBitmap, mMatrix, mPaint);
180 |         }
181 |         if (length + mPanDistance < (scrollOrientationIsVertical() ? measuredHeight : measuredWidth)) {
182 |             //用于补充留白的图片出现在屏幕
183 |             for (int i = 0; i < mBitmapCount; i++) {
184 |                 mMatrix.reset();
185 |                 switch (mScrollOrientation) {
186 |                     case OUT_SLIDE_TOP:
187 |                         mMatrix.postTranslate(0f, (i + 1) * length + mPanDistance);
188 |                         break;
189 |                     case OUT_SLIDE_BOTTOM:
190 |                         mMatrix.postTranslate(0f, measuredHeight - (i + 2) * length - mPanDistance);
191 |                         break;
192 |                     case OUT_SLIDE_LEFT:
193 |                         mMatrix.postTranslate((i + 1) * length + mPanDistance, 0f);
194 |                         break;
195 |                     case OUT_SLIDE_RIGHT:
196 |                         mMatrix.postTranslate(measuredWidth - (i + 2) * length - mPanDistance, 0f);
197 |                         break;
198 |                 }
199 |                 canvas.drawBitmap(mSrcBitmap, mMatrix, mPaint);
200 |             }
201 |         }
202 |         //绘制遮罩层
203 |         if (mMaskLayerColor != Color.TRANSPARENT) {
204 |             canvas.drawColor(mMaskLayerColor);
205 |         }
206 |         //延时重绘实现滚动效果
207 |         if (mIsScroll) {
208 |             getHandler().postDelayed(mRedrawRunnable, DEFAULT_DRAW_INTERVALS_TIME);
209 |         }
210 |     }
211 | 
212 |     /**
213 |      * 重绘
214 |      */
215 |     private Runnable mRedrawRunnable = new Runnable() {
216 |         @Override
217 |         public void run() {
218 |             int length = scrollOrientationIsVertical() ? mSrcBitmap.getHeight() : mSrcBitmap.getWidth();
219 |             if (length + mPanDistance <= 0) {
220 |                 //第一张已完全滚出屏幕，重置平移距离
221 |                 mPanDistance = 0;
222 |             }
223 |             mPanDistance -= mIntervalIncreaseDistance;
224 |             invalidate();
225 |         }
226 |     };
227 | 
228 |     /**
229 |      * 开始滚动
230 |      */
231 |     public void startScroll() {
232 |         if (mIsScroll) {
233 |             return;
234 |         }
235 |         mIsScroll = true;
236 |         getHandler().postDelayed(mRedrawRunnable, DEFAULT_DRAW_INTERVALS_TIME);
237 |     }
238 | 
239 |     /**
240 |      * 停止滚动
241 |      */
242 |     public void stopScroll() {
243 |         if (!mIsScroll) {
244 |             return;
245 |         }
246 |         mIsScroll = false;
247 |         getHandler().removeCallbacks(mRedrawRunnable);
248 |     }
249 | 
250 |     /**
251 |      * 设置背景图 bitmap
252 |      * 通过该方法设置的背景图，当 屏幕翻转/暗黑模式切换 等涉及到 activity 重构的情况出现时，需要在 activity 重构后重新设置背景图
253 |      */
254 |     public void setSrcBitmap(Bitmap srcBitmap) {
255 |         boolean oldScrollStatus = mIsScroll;
256 |         if (oldScrollStatus) {
257 |             stopScroll();
258 |         }
259 |         Bitmap compressBitmap;
260 |         if (srcBitmap.getConfig() != Bitmap.Config.RGB_565) {
261 |             compressBitmap = srcBitmap.copy(Bitmap.Config.RGB_565, true);
262 |         } else {
263 |             compressBitmap = srcBitmap;
264 |         }
265 |         //按当前View宽度比例缩放 Bitmap
266 |         mSrcBitmap = scaleBitmap(compressBitmap);
267 |         //计算至少需要几个 bitmap 才能填满当前 view
268 |         mBitmapCount = scrollOrientationIsVertical() ?
269 |                 getMeasuredHeight() / mSrcBitmap.getHeight() + 1
270 |                 :
271 |                 getMeasuredWidth() / mSrcBitmap.getWidth() + 1;
272 |         if (!srcBitmap.isRecycled()) {
273 |             srcBitmap.isRecycled();
274 |             System.gc();
275 |         }
276 |         if (!compressBitmap.isRecycled()) {
277 |             compressBitmap.isRecycled();
278 |             System.gc();
279 |         }
280 |         if (oldScrollStatus) {
281 |             startScroll();
282 |         }
283 |     }
284 | 
285 |     /**
286 |      * 判断是否为竖直滚动
287 |      */
288 |     private boolean scrollOrientationIsVertical() {
289 |         return mScrollOrientation == OUT_SLIDE_TOP || mScrollOrientation == OUT_SLIDE_BOTTOM;
290 |     }
291 | 
292 |     /**
293 |      * 设置滚动方向
294 |      * @param scrollOrientation
295 |      */
296 |     public void setScrollOrientation(@ScrollOrientation int scrollOrientation) {
297 |         mPanDistance = 0;
298 |         mScrollOrientation = scrollOrientation;
299 |         if (mSrcBitmap != null) {
300 |             if (mDrawable != null && (mDrawable instanceof BitmapDrawable)) {
301 |                 Bitmap bitmap = ((BitmapDrawable) mDrawable).getBitmap();
302 |                 if (!bitmap.isRecycled()) {
303 |                     setSrcBitmap(bitmap);
304 |                     return;
305 |                 }
306 |             }
307 |             setSrcBitmap(mSrcBitmap);
308 |         }
309 |     }
310 | 
311 |     /**
312 |      * 切换滚动方向
313 |      */
314 |     public void changeScrollOrientation() {
315 |         mPanDistance = 0;
316 |         if (mScrollOrientation == OUT_SLIDE_RIGHT) {
317 |             mScrollOrientation = OUT_SLIDE_TOP;
318 |         } else {
319 |             mScrollOrientation++;
320 |         }
321 |         if (mSrcBitmap != null) {
322 |             if (mDrawable != null && (mDrawable instanceof BitmapDrawable)) {
323 |                 Bitmap bitmap = ((BitmapDrawable) mDrawable).getBitmap();
324 |                 if (!bitmap.isRecycled()) {
325 |                     setSrcBitmap(bitmap);
326 |                     return;
327 |                 }
328 |             }
329 |             setSrcBitmap(mSrcBitmap);
330 |         }
331 |     }
332 | 
333 |     /**
334 |      * 缩放Bitmap
335 |      */
336 |     private Bitmap scaleBitmap(Bitmap originBitmap) {
337 |         int width = originBitmap.getWidth();
338 |         int height = originBitmap.getHeight();
339 |         int newHeight;
340 |         int newWidth;
341 |         if (scrollOrientationIsVertical()) {
342 |             newWidth = getMeasuredWidth();
343 |             newHeight = newWidth * height / width;
344 |         } else {
345 |             newHeight = getMeasuredHeight();
346 |             newWidth = newHeight * width / height;
347 |         }
348 | 
349 |         return Bitmap.createScaledBitmap(originBitmap, newWidth, newHeight, true);
350 |     }
351 | }
352 | 


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/library/src/main/res/values/attrs.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <resources>
 3 |     <!--背景图片-->
 4 |     <attr name="src" format="reference" />
 5 |     <!--遮罩层颜色，建议带透明度-->
 6 |     <attr name="maskLayerColor" format="color" />
 7 |     <!--是否滚动-->
 8 |     <attr name="isScroll" format="boolean" />
 9 |     <!--滚动速度,建议取值区间 [1,50] -->
10 |     <attr name="speed" format="integer">
11 |         <enum name="slow" value="1" />
12 |         <enum name="ordinary" value="3" />
13 |         <enum name="fast" value="5" />
14 |     </attr>
15 |     <!-- 滚动方向,默认是竖直方向滚动-->
16 |     <attr name="scrollOrientation" format="integer">
17 |         <enum name="toTop" value="0" />
18 |         <enum name="toBottom" value="1" />
19 |         <enum name="toLeft" value="2" />
20 |         <enum name="toRight" value="3" />
21 |     </attr>
22 |     <declare-styleable name="SrcScrollFrameLayout">
23 |         <attr name="src" />
24 |         <attr name="maskLayerColor" />
25 |         <attr name="isScroll" />
26 |         <attr name="speed" />
27 |         <attr name="scrollOrientation" />
28 |     </declare-styleable>
29 |     <declare-styleable name="SrcLoopScrollFrameLayout">
30 |         <attr name="src" />
31 |         <attr name="maskLayerColor" />
32 |         <attr name="isScroll" />
33 |         <attr name="speed" />
34 |         <attr name="scrollOrientation" />
35 |     </declare-styleable>
36 | </resources>


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/library/src/test/java/com/ziwenl/library/ExampleUnitTest.kt:
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 1 | package com.ziwenl.library
 2 | 
 3 | import org.junit.Test
 4 | 
 5 | import org.junit.Assert.*
 6 | 
 7 | /**
 8 |  * Example local unit test, which will execute on the development machine (host).
 9 |  *
10 |  * See [testing documentation](http://d.android.com/tools/testing).
11 |  */
12 | class ExampleUnitTest {
13 |     @Test
14 |     fun addition_isCorrect() {
15 |         assertEquals(4, 2 + 2)
16 |     }
17 | }
18 | 


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/settings.gradle:
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1 | rootProject.name='SrcScrollFrameLayout'
2 | include ':app'
3 | include ':library'
4 | 


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