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‎.gitignore‎

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*.iml
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*.idea
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.gradle
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/local.properties
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/.idea/caches
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/.idea/libraries
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/.idea/modules.xml
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/.idea/workspace.xml
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/.idea/navEditor.xml
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/.idea/assetWizardSettings.xml
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.DS_Store
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/build
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/captures
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.externalNativeBuild
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.cxx
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local.properties

‎README.md‎

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# TagLayout
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Android上的标签布局、流式布局，支持单选、多选等操作
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### 引入依赖
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```kotlin
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implementation 'com.yhw.library:taglayout:1.0.0'
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```
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### 使用方法
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#### 布局文件使用
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```xml
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<com.yhw.taglayout.TagLayout
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android:id="@+id/tag_layout_1"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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app:choiceMode="singleChoice">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:padding="10dp"
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android:layout_margin="10dp"
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android:text="正常" />
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:padding="10dp"
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android:layout_margin="10dp"
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android:text="单选" />
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:padding="10dp"
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android:layout_margin="10dp"
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android:text="多选" />
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</com.yhw.taglayout.TagLayout>
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```
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或
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```xml
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<com.yhw.taglayout.TagLayout
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android:id="@+id/tag_layout_2"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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app:defaultChoicePosition="0"
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app:choiceMode="none" />
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```
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app:defaultChoicePosition="0"<!--单选时默认选中项-->
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app:choiceMode="none" /><!--设置选择模式，支持单选(singleChoice)和多选(multipleChoice) 默认(none)表示不设置选择模式-->
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#### 动态添加数据
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```kotlin
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val list = mutableListOf("陕西西安", "新疆乌鲁木齐", "北京天安门", "西安大雁塔", "秦始皇兵马俑", "内蒙古呼伦贝尔大草原", "山西大同")
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tagLayout.setAdapter(MyAdapter(list))
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```
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#### 其它事件操作
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```kotlin
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//单击事件
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tagLayout2.onItemClickListener = object : TagLayout.OnItemClickListener {
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override fun onItemClick(position: Int, view: View) {
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Toast.makeText(this@MainActivity, "点击了 $position", Toast.LENGTH_SHORT).show()
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}
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}
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//长按事件
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tagLayout2.onItemLongClickListener = object : TagLayout.OnItemLongClickListener {
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override fun onItemLongClick(position: Int, view: View) {
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Toast.makeText(this@MainActivity, "长按了 $position", Toast.LENGTH_SHORT).show()
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}
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}
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//单选监听
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tagLayout2.onSingleCheckedChangeListener =
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object : TagLayout.OnSingleCheckedChangeListener {
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override fun onCheckedChanged(position: Int) {
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Log.i(TAG, "选中了 $position")
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}
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}
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//多选监听
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tagLayout2.onMultipleCheckedChangeListener =
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object : TagLayout.OnMultipleCheckedChangeListener {
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override fun onCheckedChanged(positionList: MutableList<Int>) {
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for (position in positionList) {
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Log.i(TAG, "选中了 $position")
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}
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}
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}
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//获取选中项
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getIndexBtn.setOnClickListener{
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if(tagLayout2.getChoiceMode() == TagLayout.ChoiceMode.SingleChoice.choiceMode){
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Toast.makeText(this@MainActivity, "单选了 ${tagLayout2.getCheckedPosition()}", Toast.LENGTH_SHORT).show()
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}else if(tagLayout2.getChoiceMode() == TagLayout.ChoiceMode.MultipleChoice.choiceMode){
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Toast.makeText(this@MainActivity, "多选了 ${tagLayout2.getCheckedList()}", Toast.LENGTH_SHORT).show()
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}else{
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Toast.makeText(this@MainActivity, "非选中模式，不能获取", Toast.LENGTH_SHORT).show()
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}
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}
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```
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**\*示例代码采用Kotlin语言编写，如果你的项目是Java，用法与Kotlin基本类似**

‎app/.gitignore‎

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/build

‎app/build.gradle‎

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plugins {
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id 'com.android.application'
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id 'kotlin-android'
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}
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android {
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compileSdkVersion 30
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buildToolsVersion "30.0.3"
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defaultConfig {
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applicationId "com.yhw.taglayout.sample"
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minSdkVersion 16
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targetSdkVersion 30
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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kotlinOptions {
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jvmTarget = '1.8'
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}
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}
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dependencies {
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implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
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implementation 'androidx.core:core-ktx:1.3.2'
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implementation 'androidx.appcompat:appcompat:1.2.0'
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implementation 'com.google.android.material:material:1.3.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
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implementation project(path: ':library')
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testImplementation 'junit:junit:4.+'
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androidTestImplementation 'androidx.test.ext:junit:1.1.2'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
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}

‎app/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/com/yhw/taglayout/sample/ExampleInstrumentedTest.kt‎

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package com.yhw.taglayout.sample
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import androidx.test.platform.app.InstrumentationRegistry
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import androidx.test.ext.junit.runners.AndroidJUnit4
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import org.junit.Test
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import org.junit.runner.RunWith
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import org.junit.Assert.*
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* See [testing documentation](http://d.android.com/tools/testing).
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*/
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@RunWith(AndroidJUnit4::class)
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class ExampleInstrumentedTest {
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@Test
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fun useAppContext() {
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// Context of the app under test.
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext
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assertEquals("com.yhw.taglayout", appContext.packageName)
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}
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}

‎app/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.yhw.taglayout.sample">
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.TagLayout">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/java/com/yhw/taglayout/sample/MainActivity.kt‎

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package com.yhw.taglayout.sample
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import android.os.Bundle
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import android.util.Log
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.Button
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import android.widget.TextView
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import android.widget.Toast
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import androidx.appcompat.app.AppCompatActivity
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import com.yhw.taglayout.TagAdapter
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import com.yhw.taglayout.TagLayout
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const val TAG = "MainActivity"
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class MainActivity : AppCompatActivity() {
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_main)
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val tagLayout1 = findViewById<TagLayout>(R.id.tag_layout_1)
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val tagLayout2 = findViewById<TagLayout>(R.id.tag_layout_2)
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val getIndexBtn = findViewById<Button>(R.id.btn_get_index)
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tagLayout1.onItemClickListener = object : TagLayout.OnItemClickListener {
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override fun onItemClick(position: Int, view: View) {
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when (position) {
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0 -> tagLayout2.setChoiceMode(TagLayout.ChoiceMode.None)
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1 -> tagLayout2.setChoiceMode(TagLayout.ChoiceMode.SingleChoice)
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2 -> tagLayout2.setChoiceMode(TagLayout.ChoiceMode.MultipleChoice)
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}
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}
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}
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val list = mutableListOf("陕西西安", "新疆乌鲁木齐", "北京天安门", "西安大雁塔", "秦始皇兵马俑", "内蒙古呼伦贝尔大草原", "山西大同")
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tagLayout2.setAdapter(MyAdapter(list))
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//单击事件
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tagLayout2.onItemClickListener = object : TagLayout.OnItemClickListener {
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override fun onItemClick(position: Int, view: View) {
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Toast.makeText(this@MainActivity, "点击了 $position", Toast.LENGTH_SHORT).show()
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}
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}
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//长按事件
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tagLayout2.onItemLongClickListener = object : TagLayout.OnItemLongClickListener {
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override fun onItemLongClick(position: Int, view: View) {
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Toast.makeText(this@MainActivity, "长按了 $position", Toast.LENGTH_SHORT).show()
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}
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}
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//单选监听
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tagLayout2.onSingleCheckedChangeListener =
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object : TagLayout.OnSingleCheckedChangeListener {
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override fun onCheckedChanged(position: Int) {
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Log.i(TAG, "选中了 $position")
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}
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}
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//多选监听
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tagLayout2.onMultipleCheckedChangeListener =
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object : TagLayout.OnMultipleCheckedChangeListener {
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override fun onCheckedChanged(positionList: MutableList<Int>) {
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for (position in positionList) {
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Log.i(TAG, "选中了 $position")
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}
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}
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}
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//获取选中项
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getIndexBtn.setOnClickListener{
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if(tagLayout2.getChoiceMode() == TagLayout.ChoiceMode.SingleChoice.choiceMode){
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Toast.makeText(this@MainActivity, "单选了 ${tagLayout2.getCheckedPosition()}", Toast.LENGTH_SHORT).show()
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}else if(tagLayout2.getChoiceMode() == TagLayout.ChoiceMode.MultipleChoice.choiceMode){
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Toast.makeText(this@MainActivity, "多选了 ${tagLayout2.getCheckedList()}", Toast.LENGTH_SHORT).show()
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}else{
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Toast.makeText(this@MainActivity, "非选中模式，不能获取", Toast.LENGTH_SHORT).show()
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}
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}
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}
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class MyAdapter(private val dataList: MutableList<String>) : TagAdapter() {
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override fun onCreateView(parent: ViewGroup): View {
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return LayoutInflater.from(parent.context)
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.inflate(R.layout.tag_item_layout, parent, false)
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}
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override fun onBindView(itemView: View, position: Int) {
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val textView: TextView = itemView.findViewById(R.id.tv_title)
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textView.text = dataList[position]
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}
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override fun getItemCount(): Int {
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return dataList.size
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}
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}
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}

‎app/src/main/res/drawable-v24/ic_launcher_foreground.xml‎

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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:aapt="http://schemas.android.com/aapt"
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android:width="108dp"
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android:height="108dp"
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android:viewportWidth="108"
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android:viewportHeight="108">
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<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">
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<aapt:attr name="android:fillColor">
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<gradient
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android:endX="85.84757"
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android:endY="92.4963"
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android:startX="42.9492"
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android:startY="49.59793"
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android:type="linear">
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<item
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android:color="#44000000"
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android:offset="0.0" />
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<item
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android:color="#00000000"
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android:offset="1.0" />
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</gradient>
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</aapt:attr>
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</path>
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<path
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android:fillColor="#FFFFFF"
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android:fillType="nonZero"
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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"
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android:strokeWidth="1"
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android:strokeColor="#00000000" />
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</vector>

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