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Merge pull request bingoogolapple#75 from bingoogolapple/develop
「fix」v2.1.5：修复 setAutoPlayAble 空指针异常，增加 Fresco Demo
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‎README.md‎

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* [功能介绍](#功能介绍)
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* [效果图与示例 apk](#效果图与示例-apk)
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* [常见问题](#常见问题)
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* [使用](#使用)
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* [自定义属性说明](#自定义属性说明)
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* [关于我](#关于我)
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![BGABannerDemo apk文件二维](http://7xk9dj.com1.z0.glb.clouddn.com/banner/BGABannerDemo.png)
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## 常见问题
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1. 结合 Fresco 加载图片请参考 [FrescoDemoActivity](https://github.com/bingoogolapple/BGABanner-Android/blob/master/demo/src/main/java/cn/bingoogolapple/bgabanner/demo/ui/activity/FrescoDemoActivity.java)
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2. 自定义 item 布局文件请参考 [FrescoDemoActivity](https://github.com/bingoogolapple/BGABanner-Android/blob/master/demo/src/main/java/cn/bingoogolapple/bgabanner/demo/ui/activity/FrescoDemoActivity.java)
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## 使用
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### 1.添加 Gradle 依赖

‎demo/build.gradle‎

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@@ -16,7 +16,7 @@ dependencies {
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// compile project(':library')
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// -------------------- 以下两个库是必须依赖的 ----------------------------
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compile 'cn.bingoogolapple:bga-banner:2.1.4@aar'
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compile 'cn.bingoogolapple:bga-banner:2.1.5@aar'
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compile 'com.android.support:support-v4:25.0.1'
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// -------------------- 以上两个库是必须依赖的 ----------------------------
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@@ -27,4 +27,6 @@ dependencies {
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compile 'com.squareup.retrofit2:retrofit:2.1.0'
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compile 'com.squareup.retrofit2:converter-gson:2.1.0'
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compile 'cn.bingoogolapple:bga-adapter:1.1.5@aar'
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compile 'com.facebook.fresco:fresco:0.14.1'
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}

‎demo/src/main/AndroidManifest.xml‎

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android:name=".ui.activity.RecyclerViewDemoActivity"
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android:screenOrientation="portrait"/>
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<activity
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android:name=".ui.activity.FrescoDemoActivity"
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android:screenOrientation="portrait"/>
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</application>
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</manifest>

‎demo/src/main/java/cn/bingoogolapple/bgabanner/demo/App.java‎

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import android.app.Application;
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import com.facebook.drawee.backends.pipeline.Fresco;
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import cn.bingoogolapple.bgabanner.demo.engine.Engine;
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import retrofit2.Retrofit;
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import retrofit2.converter.gson.GsonConverterFactory;
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.baseUrl("http://7xk9dj.com1.z0.glb.clouddn.com/banner/api/")
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.addConverterFactory(GsonConverterFactory.create())
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.build().create(Engine.class);
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Fresco.initialize(this);
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}
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‎demo/src/main/java/cn/bingoogolapple/bgabanner/demo/ui/activity/FrescoDemoActivity.java‎

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package cn.bingoogolapple.bgabanner.demo.ui.activity;
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import android.net.Uri;
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import android.os.Bundle;
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import android.support.annotation.Nullable;
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import android.support.v7.app.AppCompatActivity;
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import android.widget.Toast;
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import com.facebook.drawee.view.SimpleDraweeView;
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import cn.bingoogolapple.bgabanner.BGABanner;
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import cn.bingoogolapple.bgabanner.demo.App;
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import cn.bingoogolapple.bgabanner.demo.R;
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import cn.bingoogolapple.bgabanner.demo.model.BannerModel;
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import retrofit2.Call;
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import retrofit2.Callback;
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import retrofit2.Response;
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/**
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* 作者:王浩 邮件:bingoogolapple@gmail.com
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* 创建时间:16/12/12 下午10:37
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* 描述:
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*/
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public class FrescoDemoActivity extends AppCompatActivity {
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private BGABanner mContentBanner;
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_fresco_demo);
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mContentBanner = (BGABanner) findViewById(R.id.banner_fresco_demo_content);
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mContentBanner.setDelegate(new BGABanner.Delegate<SimpleDraweeView, String>() {
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@Override
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public void onBannerItemClick(BGABanner banner, SimpleDraweeView itemView, String model, int position) {
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Toast.makeText(banner.getContext(), "点击了第" + (position + 1) + "页", Toast.LENGTH_SHORT).show();
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}
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});
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mContentBanner.setAdapter(new BGABanner.Adapter<SimpleDraweeView, String>() {
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@Override
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public void fillBannerItem(BGABanner banner, SimpleDraweeView itemView, String model, int position) {
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itemView.setImageURI(Uri.parse(model));
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}
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});
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App.getInstance().getEngine().fetchItemsWithItemCount(5).enqueue(new Callback<BannerModel>() {
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@Override
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public void onResponse(Call<BannerModel> call, Response<BannerModel> response) {
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BannerModel bannerModel = response.body();
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mContentBanner.setData(R.layout.item_fresco, bannerModel.imgs, bannerModel.tips);
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}
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@Override
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public void onFailure(Call<BannerModel> call, Throwable t) {
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Toast.makeText(App.getInstance(), "网络数据加载失败", Toast.LENGTH_SHORT).show();
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}
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});
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}
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}

‎demo/src/main/java/cn/bingoogolapple/bgabanner/demo/ui/activity/MainActivity.java‎

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@@ -86,12 +86,18 @@ private void loadData() {
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loadData(mDepthBanner, 5);
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}
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private void loadData(final BGABanner banner, int count) {
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private void loadData(final BGABanner banner, final int count) {
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mEngine.fetchItemsWithItemCount(count).enqueue(new Callback<BannerModel>() {
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@Override
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public void onResponse(Call<BannerModel> call, Response<BannerModel> response) {
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BannerModel bannerModel = response.body();
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/**
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* 设置是否开启自动轮播，需要在 setData 方法之前调用，并且调了该方法后必须再调用一次 setData 方法
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* 例如根据图片当图片数量大于 1 时开启自动轮播，等于 1 时不开启自动轮播
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*/
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// banner.setAutoPlayAble(bannerModel.imgs.size() > 1);
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banner.setAdapter(MainActivity.this);
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banner.setData(bannerModel.imgs, bannerModel.tips);
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}
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case R.id.tv_main_gone:
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mDefaultBanner.setVisibility(View.GONE);
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break;
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case R.id.tv_main_enable_auto_play:
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/**
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* 设置是否开启自动轮播，需要在 setData 方法之前调用，并且调了该方法后必须再调用一次 setData 方法
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* 例如根据图片当图片数量大于 1 时开启自动轮播，等于 1 时不开启自动轮播
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*/
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mDefaultBanner.setAutoPlayAble(true);
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break;
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case R.id.tv_main_disable_auto_play:
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/**
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* 设置是否开启自动轮播，需要在 setData 方法之前调用，并且调了该方法后必须再调用一次 setData 方法
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* 例如根据图片当图片数量大于 1 时开启自动轮播，等于 1 时不开启自动轮播
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*/
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mDefaultBanner.setAutoPlayAble(false);
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break;
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case R.id.tv_main_start_auto_play:
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// 仅在 autoPlayAble 为 true 时才会生效「开发者使用该库时不用调用该方法，这里只是为了演示而已，界面可见时在 BGABanner 内部已经帮开发者调用了该方方法」
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mDefaultBanner.startAutoPlay();
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break;
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case R.id.tv_main_stop_auto_play:
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// 仅在 autoPlayAble 为 true 时才会生效「开发者使用该库时不用调用该方法，这里只是为了演示而已，界面不可见时在 BGABanner 内部已经帮开发者调用了该方方法」
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mDefaultBanner.stopAutoPlay();
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break;
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case R.id.tv_main_select_page_one:
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mDefaultBanner.setCurrentItem(0);
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break;
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case R.id.tv_main_recyclerview_demo:
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startActivity(new Intent(this, RecyclerViewDemoActivity.class));
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break;
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case R.id.tv_main_fresco:
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startActivity(new Intent(this, FrescoDemoActivity.class));
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break;
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default:
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break;
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}

‎demo/src/main/res/layout/activity_fresco_demo.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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style="@style/MatchMatch.Vertical">
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<cn.bingoogolapple.bgabanner.BGABanner
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android:id="@+id/banner_fresco_demo_content"
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style="@style/BannerDefaultStyle"
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app:banner_indicatorGravity="bottom|right"
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app:banner_isNeedShowIndicatorOnOnlyOnePage="true"
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app:banner_isNumberIndicator="true"
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app:banner_numberIndicatorBackground="@drawable/shape_number_indicator_background"
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app:banner_numberIndicatorTextColor="@android:color/white"
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app:banner_numberIndicatorTextSize="10sp"
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app:banner_pointAutoPlayAble="true"
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app:banner_pointContainerBackground="@android:color/transparent"
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app:banner_transitionEffect="defaultEffect"/>
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</LinearLayout>

‎demo/src/main/res/layout/activity_main.xml‎

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android:textColor="@android:color/white"
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android:textSize="14dp"/>
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<TextView
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android:id="@+id/tv_main_fresco"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_margin="10dp"
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android:background="@drawable/selector_btn_test"
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android:clickable="true"
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android:gravity="center"
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android:onClick="onClick"
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android:padding="10dp"
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android:text="Fresco Demo"
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android:textColor="@android:color/white"
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android:textSize="14dp"/>
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<LinearLayout style="@style/MatchWrap.Horizontal">
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<TextView
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android:text="gone"/>
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</LinearLayout>
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<LinearLayout style="@style/MatchWrap.Horizontal">
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<TextView
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android:id="@+id/tv_main_enable_auto_play"
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style="@style/AutoWrapTv"
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android:text="EnableAutoPlay"/>
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<TextView
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android:id="@+id/tv_main_disable_auto_play"
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style="@style/AutoWrapTv"
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android:text="DisableAutoPlay"/>
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<TextView
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android:id="@+id/tv_main_start_auto_play"
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style="@style/AutoWrapTv"
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android:text="StartAutoPlay"/>
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<TextView
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android:id="@+id/tv_main_stop_auto_play"
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style="@style/AutoWrapTv"
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android:text="StopAutoPlay"/>
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</LinearLayout>
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<LinearLayout style="@style/MatchWrap.Horizontal">
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<TextView
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app:banner_numberIndicatorBackground="@drawable/shape_number_indicator_background"
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app:banner_numberIndicatorTextColor="@android:color/white"
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app:banner_numberIndicatorTextSize="10sp"
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app:banner_pointAutoPlayAble="true"
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app:banner_pointContainerBackground="@android:color/transparent"
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app:banner_transitionEffect="defaultEffect"/>
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‎demo/src/main/res/layout/item_fresco.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<com.facebook.drawee.view.SimpleDraweeView
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xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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android:layout_width="match_parent"
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android:layout_height="100dp"
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app:placeholderImage="@drawable/holder"/>

‎gradle.properties‎

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ANDROID_BUILD_SDK_VERSION=25
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ANDROID_BUILD_TOOLS_VERSION=25.0.0
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VERSION_NAME=2.1.4
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VERSION_CODE=214
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VERSION_NAME=2.1.5
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VERSION_CODE=215

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