UniversalVideoView

在Android上播放视频最简单的方法是使用SDK中内置的VideoView,然后加上MediaController来控制视频播放暂停等,但是这样有一个缺点是无法定制自己的控制UI,所以这里提供一个自定义播放控件,它可以设置多种自定义属性(如loading样式,错误视频等),并且很容易在全屏与非全屏之间切换,另外支持Android V2.3及以上系统.

项目地址: https://github.com/linsea/UniversalVideoView

1. 在build.gradle文件上加入以下依赖包.

dependencies {compile 'com.linsea:universalvideoview:1.1.0@aar'}

2. 在布局文件中加入自定义View,注意要使UniversalVideoView和UniversalMediaController位于同一个父Layout中, 这样控制条才会浮在视频之上.

<FrameLayoutandroid:id="@+id/video_layout"android:layout_width="fill_parent"android:layout_height="200dp"android:background="@android:color/black"><com.universalvideoview.UniversalVideoViewandroid:id="@+id/videoView"android:layout_width="fill_parent"android:layout_height="fill_parent"android:layout_gravity="center"app:uvv_autoRotation="true"app:uvv_fitXY="false" /><com.universalvideoview.UniversalMediaControllerandroid:id="@+id/media_controller"android:layout_width="fill_parent"android:layout_height="fill_parent"app:uvv_scalable="true" /></FrameLayout>

3. 在onCreate方法中设置相关事件的监听.

View mBottomLayout;
View mVideoLayout;
UniversalVideoView mVideoView;
UniversalMediaController mMediaController;mVideoView = (UniversalVideoView) findViewById(R.id.videoView);
mMediaController = (UniversalMediaController) findViewById(R.id.media_controller);
mVideoView.setMediaController(mMediaController);mVideoView.setVideoViewCallback(new UniversalVideoView.VideoViewCallback() {@Overridepublic void onScaleChange(boolean isFullscreen) {this.isFullscreen = isFullscreen;if (isFullscreen) {ViewGroup.LayoutParams layoutParams = mVideoLayout.getLayoutParams();layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;mVideoLayout.setLayoutParams(layoutParams);//设置全屏时,无关的View消失,以便为视频控件和控制器控件留出最大化的位置mBottomLayout.setVisibility(View.GONE);} else {ViewGroup.LayoutParams layoutParams = mVideoLayout.getLayoutParams();layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;layoutParams.height = this.cachedHeight;mVideoLayout.setLayoutParams(layoutParams);mBottomLayout.setVisibility(View.VISIBLE);}}@Overridepublic void onPause(MediaPlayer mediaPlayer) { // 视频暂停Log.d(TAG, "onPause UniversalVideoView callback");}@Overridepublic void onStart(MediaPlayer mediaPlayer) { // 视频开始播放或恢复播放Log.d(TAG, "onStart UniversalVideoView callback");}@Overridepublic void onBufferingStart(MediaPlayer mediaPlayer) {// 视频开始缓冲Log.d(TAG, "onBufferingStart UniversalVideoView callback");}@Overridepublic void onBufferingEnd(MediaPlayer mediaPlayer) {// 视频结束缓冲Log.d(TAG, "onBufferingEnd UniversalVideoView callback");}});

注意:
UniversalVideoView 没有保存播放的状态,如播放到第几分钟了,所以需要应用自己保存这些状态并恢复.
如果为了避免在旋转屏幕时系统重启Activity,需要添加Activity的属性:

android:configChanges="orientation|keyboardHidden|screenSize

4 定制属性

为了保证定制UI的灵活度,提供以下属性:

uvv_fitXY

UniversalVideoView的属性,布尔值,true时设置视频缩放时在X,Y方向上铺满View设置的宽度和高度,这样可能使视频变形.false时则缩放时保持视频的长宽比例,与SDK中的VideoView类似.

uvv_autoRotation

UniversalVideoView的属性,布尔值,true时视频会根据重力响应通知客户进行全屏与非全屏之间的切换.

uvv_scalable

UniversalMediaController属性,布尔值,是否显示控制条右下方的缩放按钮,如果不想全屏播放时,可以设置为false不显示.

5、在AndroidManifest.xml添加配置

权限：<uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /><uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />activity属性：android:configChanges="orientation|keyboardHidden|screenSize"

6、在activity中展示

public class MainActivity extends AppCompatActivity implements UniversalVideoView.VideoViewCallback {private View videoLayout;private View bottomLayout;private UniversalVideoView videoView;private UniversalMediaController mediaController;private int seekPosition;//当前进度private int cachedHeight;//视频区域大小private boolean isFullscreen;//是否全屏private static final String VIDEO_URL = "http://vf1.mtime.cn/Video/2017/03/15/mp4/170315222409670447.mp4";private static final String SEEK_POSITION_KEY = "SEEK_POSITION_KEY";//用于保存seekPosition的key值@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initView();intiEvent();}/*** 初始化控件*/private void initView() {videoLayout = findViewById(R.id.videoLayout);bottomLayout = findViewById(R.id.bottomLayout);videoView = (UniversalVideoView) findViewById(R.id.videoView);mediaController = (UniversalMediaController) findViewById(R.id.mediaController);}
private void intiEvent() {//把视频控制的按钮设置到播放器里videoView.setMediaController(mediaController);//设置置视频区域大小setVideoAreaSize();//设置屏幕状态和播放状态的监听videoView.setVideoViewCallback(this);}/*** 设置置视频区域大小和播放地址*/private void setVideoAreaSize() {videoLayout.post(new Runnable() {@Overridepublic void run() {int width = videoLayout.getWidth();cachedHeight = (int) (width * 405f / 720f);// cachedHeight = (int) (width * 3f / 4f);// cachedHeight = (int) (width * 9f / 16f);ViewGroup.LayoutParams videoLayoutParams = videoLayout.getLayoutParams();videoLayoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;videoLayoutParams.height = cachedHeight;videoLayout.setLayoutParams(videoLayoutParams);videoView.setVideoPath(VIDEO_URL);videoView.requestFocus();
}});}/**
* 开始按钮
*
* @param v
*/public void startClick(View v) {//设置视频开始videoView.start();//设置视频标题mediaController.setTitle("寻梦环游记");}
//--------------重写下面三个方面是为了保存seekPosition--------------@Overrideprotected void onPause() {super.onPause();if (videoView != null && videoView.isPlaying()) {seekPosition = videoView.getCurrentPosition();Log.i("info", "onPause mSeekPosition=" + seekPosition);videoView.pause();}}@Overrideprotected void onSaveInstanceState(Bundle outState) {super.onSaveInstanceState(outState);Log.i("info", "onSaveInstanceState Position=" + videoView.getCurrentPosition());outState.putInt(SEEK_POSITION_KEY, seekPosition);}@Overrideprotected void onRestoreInstanceState(Bundle outState) {super.onRestoreInstanceState(outState);seekPosition = outState.getInt(SEEK_POSITION_KEY);Log.i("info", "onRestoreInstanceState Position=" + seekPosition);}//--------------以下方法都是VideoViewCallback接口的实现方法--------------/**
* 全屏和默认的切换
*
* @param isFullscreen
*/@Overridepublic void onScaleChange(boolean isFullscreen) {this.isFullscreen = isFullscreen;if (isFullscreen) {ViewGroup.LayoutParams layoutParams = videoLayout.getLayoutParams();layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;layoutParams.height = ViewGroup.LayoutParams.MATCH_PARENT;videoLayout.setLayoutParams(layoutParams);//设置全屏时,无关的View消失,以便为视频控件和控制器控件留出最大化的位置bottomLayout.setVisibility(View.GONE);} else {ViewGroup.LayoutParams layoutParams = videoLayout.getLayoutParams();layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;layoutParams.height = this.cachedHeight;videoLayout.setLayoutParams(layoutParams);bottomLayout.setVisibility(View.VISIBLE);}switchTitleBar(!isFullscreen);}/**
* 横竖屏切换的时候控制ActionBar的状态
*
* @param show
*/private void switchTitleBar(boolean show) {android.support.v7.app.ActionBar supportActionBar = getSupportActionBar();if (supportActionBar != null) {if (show) {supportActionBar.show();} else {supportActionBar.hide();}}}@Overridepublic void onPause(MediaPlayer mediaPlayer) {// 视频暂停Log.i("info", "onPause");}@Overridepublic void onStart(MediaPlayer mediaPlayer) {// 视频开始播放或恢复播放Log.i("info", "onStart");}@Overridepublic void onBufferingStart(MediaPlayer mediaPlayer) {// 视频开始缓冲Log.i("info", "onBufferingStart");}@Overridepublic void onBufferingEnd(MediaPlayer mediaPlayer) {// 视频结束缓冲Log.i("info", "onBufferingEnd");}@Overridepublic void onBackPressed() {if (this.isFullscreen) {videoView.setFullscreen(false);} else {super.onBackPressed();}}}

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