├── .gitignore ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── cf │ │ └── singleandmultichoicerecyclerview │ │ └── ExampleInstrumentedTest.java │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── com │ │ └── cf │ │ └── singleandmultichoicerecyclerview │ │ ├── MainActivity.java │ │ ├── MultiActivity.java │ │ ├── MultiAdapter.java │ │ ├── OnItemClickLitener.java │ │ ├── SingleActivity.java │ │ └── SingleAdapter.java │ └── res │ ├── drawable │ └── bg_selector.xml │ ├── layout │ ├── activity_main.xml │ ├── activity_multi.xml │ ├── activity_single.xml │ └── item_layout.xml │ ├── mipmap-hdpi │ └── ic_launcher.png │ ├── mipmap-mdpi │ └── ic_launcher.png │ ├── mipmap-xhdpi │ └── ic_launcher.png │ ├── mipmap-xxhdpi │ └── ic_launcher.png │ ├── mipmap-xxxhdpi │ └── ic_launcher.png │ ├── values-w820dp │ └── dimens.xml │ └── values │ ├── colors.xml │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/ 5 | /.idea/workspace.xml 6 | /.idea/libraries 7 | .DS_Store 8 | /build 9 | /captures 10 | .externalNativeBuild 11 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # SingleAndMultiChoiceRecyclerView 2 | recyclerview的单选和多选 3 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 25 5 | buildToolsVersion "25.0.1" 6 | defaultConfig { 7 | applicationId "com.cf.singleandmultichoicerecyclerview" 8 | minSdkVersion 17 9 | targetSdkVersion 25 10 | versionCode 1 11 | versionName "1.0" 12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(include: ['*.jar'], dir: 'libs') 24 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 25 | exclude group: 'com.android.support', module: 'support-annotations' 26 | }) 27 | compile 'com.android.support:appcompat-v7:25.2.0' 28 | testCompile 'junit:junit:4.12' 29 | compile 'com.android.support:recyclerview-v7:25.2.0' 30 | } 31 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\Android\android-sdk-windows/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/cf/singleandmultichoicerecyclerview/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.cf.singleandmultichoicerecyclerview; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumentation test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.cf.singleandmultichoicerecyclerview", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /app/src/main/java/com/cf/singleandmultichoicerecyclerview/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.cf.singleandmultichoicerecyclerview; 2 | 3 | import android.content.Intent; 4 | import android.support.v7.app.AppCompatActivity; 5 | import android.os.Bundle; 6 | import android.view.View; 7 | 8 | public class MainActivity extends AppCompatActivity { 9 | 10 | @Override 11 | protected void onCreate(Bundle savedInstanceState) { 12 | super.onCreate(savedInstanceState); 13 | setContentView(R.layout.activity_main); 14 | } 15 | 16 | /** 17 | * 单选 18 | * @param view 19 | */ 20 | public void single(View view){ 21 | startActivity(new Intent(this, SingleActivity.class)); 22 | } 23 | 24 | /** 25 | * 多选 26 | * @param view 27 | */ 28 | public void multi(View view){ 29 | startActivity(new Intent(this, MultiActivity.class)); 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /app/src/main/java/com/cf/singleandmultichoicerecyclerview/MultiActivity.java: -------------------------------------------------------------------------------- 1 | package com.cf.singleandmultichoicerecyclerview; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | import android.support.v7.widget.LinearLayoutManager; 6 | import android.support.v7.widget.RecyclerView; 7 | import android.view.View; 8 | import android.widget.TextView; 9 | 10 | import java.util.ArrayList; 11 | import java.util.List; 12 | 13 | public class MultiActivity extends AppCompatActivity { 14 | private RecyclerView mRecyclerView; 15 | private TextView mTvCount; 16 | private List datas; 17 | private List selectDatas = new ArrayList<>(); 18 | private MultiAdapter mAdapter; 19 | 20 | 21 | @Override 22 | protected void onCreate(Bundle savedInstanceState) { 23 | super.onCreate(savedInstanceState); 24 | setContentView(R.layout.activity_multi); 25 | initData(); 26 | mRecyclerView = (RecyclerView) findViewById(R.id.recyclerView); 27 | mTvCount = (TextView) findViewById(R.id.tv_count); 28 | 29 | mRecyclerView.setHasFixedSize(true); 30 | mRecyclerView.setLayoutManager(new LinearLayoutManager(this)); 31 | mAdapter = new MultiAdapter(datas); 32 | mRecyclerView.setAdapter(mAdapter); 33 | 34 | mAdapter.setOnItemClickLitener(new OnItemClickLitener() { 35 | @Override 36 | public void onItemClick(View view, int position) { 37 | if(!mAdapter.isSelected.get(position)){ 38 | mAdapter.isSelected.put(position, true); // 修改map的值保存状态 39 | mAdapter.notifyItemChanged(position); 40 | selectDatas.add(datas.get(position)); 41 | 42 | }else { 43 | mAdapter.isSelected.put(position, false); // 修改map的值保存状态 44 | mAdapter.notifyItemChanged(position); 45 | selectDatas.remove(datas.get(position)); 46 | } 47 | 48 | mTvCount.setText("已选中"+selectDatas.size()+"项"); 49 | } 50 | 51 | @Override 52 | public void onItemLongClick(View view, int position) { 53 | 54 | } 55 | }); 56 | 57 | } 58 | 59 | /** 60 | * 全选 61 | * @param view 62 | */ 63 | public void all(View view){ 64 | selectDatas.clear(); 65 | 66 | for (int i = 0; i < datas.size(); i++) { 67 | mAdapter.isSelected.put(i, true); 68 | selectDatas.add(datas.get(i)); 69 | } 70 | mAdapter.notifyDataSetChanged(); 71 | mTvCount.setText("已选中"+selectDatas.size()+"项"); 72 | } 73 | /** 74 | * 反选 75 | * @param view 76 | */ 77 | public void inverse(View view){ 78 | for (int i=0; i(); 109 | 110 | for (int i=0; i<20; i++) { 111 | datas.add("测试"+i); 112 | } 113 | } 114 | } 115 | -------------------------------------------------------------------------------- /app/src/main/java/com/cf/singleandmultichoicerecyclerview/MultiAdapter.java: -------------------------------------------------------------------------------- 1 | package com.cf.singleandmultichoicerecyclerview; 2 | 3 | import android.support.v7.widget.RecyclerView; 4 | import android.view.LayoutInflater; 5 | import android.view.View; 6 | import android.view.ViewGroup; 7 | import android.widget.CheckBox; 8 | import android.widget.TextView; 9 | 10 | import java.util.HashMap; 11 | import java.util.List; 12 | 13 | /** 14 | * 描 述： 15 | * 创建日期：2017/7/17 16:01 16 | * 作 者：Chengfu 17 | * 邮 箱： 18 | * 备 注： 19 | */ 20 | public class MultiAdapter extends RecyclerView.Adapter { 21 | 22 | private List datas; 23 | public static HashMap isSelected; 24 | 25 | public MultiAdapter(List datas) { 26 | this.datas = datas; 27 | init(); 28 | } 29 | 30 | // 初始化 设置所有item都为未选择 31 | public void init() { 32 | isSelected = new HashMap(); 33 | for (int i = 0; i < datas.size(); i++) { 34 | isSelected.put(i, false); 35 | } 36 | } 37 | 38 | private OnItemClickLitener mOnItemClickLitener; 39 | 40 | public void setOnItemClickLitener(OnItemClickLitener mOnItemClickLitener) 41 | { 42 | this.mOnItemClickLitener = mOnItemClickLitener; 43 | } 44 | 45 | @Override 46 | public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 47 | View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false); 48 | 49 | return new MultiViewHolder(view); 50 | } 51 | 52 | @Override 53 | public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { 54 | if(holder instanceof MultiViewHolder){ 55 | final MultiViewHolder viewHolder = (MultiViewHolder) holder; 56 | String name = datas.get(position); 57 | viewHolder.mTvName.setText(name); 58 | viewHolder.mCheckBox.setChecked(isSelected.get(position)); 59 | viewHolder.itemView.setSelected(isSelected.get(position)); 60 | 61 | if (mOnItemClickLitener != null) 62 | { 63 | viewHolder.itemView.setOnClickListener(new View.OnClickListener() 64 | { 65 | @Override 66 | public void onClick(View v) 67 | { 68 | mOnItemClickLitener.onItemClick(viewHolder.itemView, viewHolder.getAdapterPosition()); 69 | } 70 | }); 71 | } 72 | } 73 | } 74 | 75 | @Override 76 | public int getItemCount() { 77 | return datas.size(); 78 | } 79 | 80 | class MultiViewHolder extends RecyclerView.ViewHolder{ 81 | TextView mTvName; 82 | CheckBox mCheckBox; 83 | 84 | public MultiViewHolder(View itemView) { 85 | super(itemView); 86 | mTvName = (TextView) itemView.findViewById(R.id.tv_name); 87 | mCheckBox = (CheckBox) itemView.findViewById(R.id.checkbox); 88 | } 89 | } 90 | 91 | } 92 | -------------------------------------------------------------------------------- /app/src/main/java/com/cf/singleandmultichoicerecyclerview/OnItemClickLitener.java: -------------------------------------------------------------------------------- 1 | package com.cf.singleandmultichoicerecyclerview; 2 | 3 | import android.view.View; 4 | 5 | public interface OnItemClickLitener{ 6 | 7 | void onItemClick(View view, int position); 8 | void onItemLongClick(View view, int position); 9 | } -------------------------------------------------------------------------------- /app/src/main/java/com/cf/singleandmultichoicerecyclerview/SingleActivity.java: -------------------------------------------------------------------------------- 1 | package com.cf.singleandmultichoicerecyclerview; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | import android.support.v7.widget.LinearLayoutManager; 6 | import android.support.v7.widget.RecyclerView; 7 | import android.view.View; 8 | 9 | import java.util.ArrayList; 10 | import java.util.List; 11 | 12 | public class SingleActivity extends AppCompatActivity { 13 | private RecyclerView mRecyclerView; 14 | private List datas; 15 | @Override 16 | protected void onCreate(Bundle savedInstanceState) { 17 | super.onCreate(savedInstanceState); 18 | setContentView(R.layout.activity_single); 19 | 20 | initData(); 21 | mRecyclerView = (RecyclerView) findViewById(R.id.recyclerView); 22 | 23 | mRecyclerView.setHasFixedSize(true); 24 | mRecyclerView.setLayoutManager(new LinearLayoutManager(this)); 25 | final SingleAdapter adapter = new SingleAdapter(datas); 26 | mRecyclerView.setAdapter(adapter); 27 | 28 | adapter.setOnItemClickLitener(new OnItemClickLitener() { 29 | @Override 30 | public void onItemClick(View view, int position) { 31 | adapter.setSelection(position); 32 | } 33 | 34 | @Override 35 | public void onItemLongClick(View view, int position) { 36 | 37 | } 38 | }); 39 | 40 | } 41 | 42 | private void initData() { 43 | datas = new ArrayList<>(); 44 | 45 | for (int i=0; i<20; i++) { 46 | datas.add("测试"+i); 47 | } 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /app/src/main/java/com/cf/singleandmultichoicerecyclerview/SingleAdapter.java: -------------------------------------------------------------------------------- 1 | package com.cf.singleandmultichoicerecyclerview; 2 | 3 | import android.support.v7.widget.RecyclerView; 4 | import android.view.LayoutInflater; 5 | import android.view.View; 6 | import android.view.ViewGroup; 7 | import android.widget.CheckBox; 8 | import android.widget.TextView; 9 | 10 | import java.util.List; 11 | 12 | /** 13 | * 描 述： 14 | * 创建日期：2017/7/17 16:01 15 | * 作 者：Chengfu 16 | * 邮 箱： 17 | * 备 注： 18 | */ 19 | public class SingleAdapter extends RecyclerView.Adapter { 20 | 21 | private List datas; 22 | 23 | private int selected = -1; 24 | public SingleAdapter(List datas) { 25 | this.datas = datas; 26 | } 27 | 28 | private OnItemClickLitener mOnItemClickLitener; 29 | 30 | public void setOnItemClickLitener(OnItemClickLitener mOnItemClickLitener) 31 | { 32 | this.mOnItemClickLitener = mOnItemClickLitener; 33 | } 34 | 35 | public void setSelection(int position){ 36 | this.selected = position; 37 | notifyDataSetChanged(); 38 | } 39 | 40 | @Override 41 | public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 42 | View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false); 43 | 44 | return new SingleViewHolder(view); 45 | } 46 | 47 | @Override 48 | public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) { 49 | if(holder instanceof SingleViewHolder){ 50 | final SingleViewHolder viewHolder = (SingleViewHolder) holder; 51 | String name = datas.get(position); 52 | viewHolder.mTvName.setText(name); 53 | 54 | if(selected == position){ 55 | viewHolder.mCheckBox.setChecked(true); 56 | viewHolder.itemView.setSelected(true); 57 | } else { 58 | viewHolder.mCheckBox.setChecked(false); 59 | viewHolder.itemView.setSelected(false); 60 | } 61 | 62 | if (mOnItemClickLitener != null) 63 | { 64 | viewHolder.itemView.setOnClickListener(new View.OnClickListener() 65 | { 66 | @Override 67 | public void onClick(View v) 68 | { 69 | mOnItemClickLitener.onItemClick(viewHolder.itemView, viewHolder.getAdapterPosition()); 70 | } 71 | }); 72 | } 73 | } 74 | } 75 | 76 | @Override 77 | public int getItemCount() { 78 | return datas.size(); 79 | } 80 | 81 | class SingleViewHolder extends RecyclerView.ViewHolder{ 82 | TextView mTvName; 83 | CheckBox mCheckBox; 84 | 85 | public SingleViewHolder(View itemView) { 86 | super(itemView); 87 | mTvName = (TextView) itemView.findViewById(R.id.tv_name); 88 | mCheckBox = (CheckBox) itemView.findViewById(R.id.checkbox); 89 | } 90 | } 91 | 92 | } 93 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/bg_selector.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 |