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‎.gitignore‎

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### Android ###
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# Built application files
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*.apk
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*.ap_
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# Files for the Dalvik VM
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*.dex
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# Java class files
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*.class
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# Generated files
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bin/
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gen/
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# Gradle files
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.gradle/
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build/
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# Local configuration file (sdk path, etc)
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local.properties
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# Proguard folder generated by Eclipse
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proguard/
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### Intellij ###
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# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm
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## Directory-based project format
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.idea/
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# if you remove the above rule, at least ignore user-specific stuff:
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# .idea/workspace.xml
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# .idea/tasks.xml
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# and these sensitive or high-churn files:
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# .idea/dataSources.ids
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# .idea/dataSources.xml
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# .idea/sqlDataSources.xml
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# .idea/dynamic.xml
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## File-based project format
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*.ipr
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*.iws
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*.iml
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## Additional for IntelliJ
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out/
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# generated by mpeltonen/sbt-idea plugin
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.idea_modules/
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# generated by JIRA plugin
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atlassian-ide-plugin.xml

‎app/.gitignore‎

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/build

‎app/build.gradle‎

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 23
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buildToolsVersion "23.0.2"
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defaultConfig {
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applicationId "com.litao.android.androidimagepicker"
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minSdkVersion 14
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targetSdkVersion 23
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versionCode 1
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versionName "1.0"
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vectorDrawables.useSupportLibrary = true
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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.txt'), 'proguard-rules.pro'
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}
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}
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}
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dependencies {
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compile fileTree(dir: 'libs', include: ['*.jar'])
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compile project(':lib')
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compile 'org.greenrobot:eventbus:3.0.0'
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}

‎app/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in /Users/demohour/Desktop/litao/soft/adt-bundle-mac-x86_64-20140702/sdk/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the proguardFiles
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# directive 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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# Add any project specific keep options here:
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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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#}

‎app/src/androidTest/java/com/litao/android/androidimagepicker/ApplicationTest.java‎

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package com.litao.android.androidimagepicker;
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import android.app.Application;
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import android.test.ApplicationTestCase;
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/**
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* <a href="http://d.android.com/tools/testing/testing_android.html">Testing Fundamentals</a>
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*/
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public class ApplicationTest extends ApplicationTestCase<Application> {
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public ApplicationTest() {
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super(Application.class);
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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.litao.android.androidimagepicker" >
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
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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:theme="@style/AppTheme" >
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<activity
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android:name=".MainActivity"
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android:label="@string/app_name" >
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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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<activity android:name=".PhotosActivity"/>
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</application>
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</manifest>

‎app/src/main/java/com/litao/android/androidimagepicker/ChooseAdapter.java‎

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package com.litao.android.androidimagepicker;
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import android.content.Context;
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import android.content.Intent;
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import android.support.v7.widget.RecyclerView;
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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.ImageView;
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import com.bumptech.glide.Glide;
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import com.litao.android.lib.entity.PhotoEntry;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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/**
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* Created by 李涛 on 16/4/30.
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*/
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public class ChooseAdapter extends RecyclerView.Adapter<ChooseAdapter.ViewHolder> {
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private List<PhotoEntry> list = new ArrayList<PhotoEntry>();
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private Context mContext;
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private LayoutInflater mInflater;
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private OnItmeClickListener mlistener;
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public interface OnItmeClickListener{
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void onItemClicked(int position);
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}
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public ChooseAdapter(Context mContext) {
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this.mContext = mContext;
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mlistener = (OnItmeClickListener) mContext;
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mInflater = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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list.add(createAddEntry());
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}
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public void reloadList(List<PhotoEntry> data) {
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if (data != null) {
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list.clear();
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list.addAll(data);
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list.add(createAddEntry());
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} else {
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list.clear();
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}
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notifyDataSetChanged();
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}
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public void appendList(List<PhotoEntry> data) {
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if (data != null) {
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list.addAll(list.size()-1,data);
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} else {
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list.clear();
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}
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notifyDataSetChanged();
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}
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public void appendPhoto(PhotoEntry entry) {
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if (entry != null) {
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list.add(list.size()-1,entry);
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}
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notifyDataSetChanged();
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}
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public List<PhotoEntry> getData(){
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return list.subList(0,list.size()-1);
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}
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public PhotoEntry getEntry(int position) {
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return list.get(position);
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}
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private PhotoEntry createAddEntry(){
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return new PhotoEntry();
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}
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@Override
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public int getItemViewType(int position) {
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return position;
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}
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@Override
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public ViewHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
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ViewHolder vh = new ViewHolder(mInflater.inflate(R.layout.item_selected_photo, viewGroup, false), i);
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return vh;
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}
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@Override
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public void onBindViewHolder(ViewHolder viewHolder, int i) {
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if (i==list.size()-1){
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viewHolder.mImageView.setImageResource(R.mipmap.add);
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}else {
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PhotoEntry entry = list.get(i);
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Glide.with(mContext)
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.load(new File(entry.getPath()))
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.centerCrop()
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.placeholder(com.litao.android.lib.R.mipmap.default_image)
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.into(viewHolder.mImageView);
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}
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}
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@Override
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public int getItemCount() {
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return list.size();
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}
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public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
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private ImageView mImageView;
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private int position;
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public ViewHolder(View itemView, int position) {
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super(itemView);
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this.position = position;
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mImageView = (ImageView) itemView.findViewById(R.id.image);
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mImageView.setOnClickListener(this);
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}
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@Override
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public void onClick(View view) {
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mlistener.onItemClicked(position);
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}
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}
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}

‎app/src/main/java/com/litao/android/androidimagepicker/EventEntry.java‎

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package com.litao.android.androidimagepicker;
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import com.litao.android.lib.entity.PhotoEntry;
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import java.util.List;
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/**
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* Created by 李涛 on 16/4/30.
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*/
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public class EventEntry {
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public static final int RECEIVED_PHOTOS_ID = 0x00000010;
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public static final int SELECTED_PHOTOS_ID = 0x00000020;
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public List<PhotoEntry> photos;
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public int id;
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public EventEntry(List<PhotoEntry> photos, int id){
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this.photos = photos;
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this.id = id;
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}
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}

‎app/src/main/java/com/litao/android/androidimagepicker/MainActivity.java‎

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package com.litao.android.androidimagepicker;
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import android.content.Intent;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.support.v7.widget.GridLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.Menu;
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import com.litao.android.lib.Utils.GridSpacingItemDecoration;
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import com.litao.android.lib.entity.PhotoEntry;
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import org.greenrobot.eventbus.EventBus;
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import org.greenrobot.eventbus.Subscribe;
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import org.greenrobot.eventbus.ThreadMode;
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public class MainActivity extends AppCompatActivity implements ChooseAdapter.OnItmeClickListener {
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private RecyclerView mRecyclerView;
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private ChooseAdapter mAdapter;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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EventBus.getDefault().register(this);
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mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
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mAdapter = new ChooseAdapter(this);
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mRecyclerView.setLayoutManager(new GridLayoutManager(this, 3));
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mRecyclerView.setAdapter(mAdapter);
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mRecyclerView.addItemDecoration(new GridSpacingItemDecoration(3, 4, true));
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}
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@Override
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protected void onDestroy() {
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EventBus.getDefault().unregister(this);
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super.onDestroy();
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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getMenuInflater().inflate(R.menu.menu_main, menu);
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return true;
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}
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@Override
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public void onItemClicked(int position) {
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if (position == mAdapter.getItemCount()-1) {
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startActivity(new Intent(MainActivity.this, PhotosActivity.class));
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EventBus.getDefault().postSticky(new EventEntry(mAdapter.getData(),EventEntry.SELECTED_PHOTOS_ID));
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}
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}
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@Subscribe(threadMode = ThreadMode.MAIN)
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public void photosMessageEvent(EventEntry entries){
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if (entries.id == EventEntry.RECEIVED_PHOTOS_ID) {
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mAdapter.reloadList(entries.photos);
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}
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}
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@Subscribe(threadMode = ThreadMode.MAIN)
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public void photoMessageEvent(PhotoEntry entry){
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mAdapter.appendPhoto(entry);
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}
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}

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