我已经使用了 exoPlayer Library 我想要做的是将数据从 recyclerview 传递到下一个可以正常工作的活动 播放视频并获取标题和 desc 但是当我旋转手机时，我只想显示 simpleexovideoview 和视频正在播放，但活动名称仍然存在。我使用了 < android:configChanges="orientation|screenSize" > 来处理以下方向的变化是活动的快照
纵向视图
风景
代码如下
视频播放器.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.kaushal.myapplication.MainActivity"
tools:layout_editor_absoluteX="0dp"
tools:layout_editor_absoluteY="81dp">
<android.support.constraint.Guideline
android:id="@+id/horizontalHalf"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
app:layout_constraintGuide_percent="0.5"
tools:layout_editor_absoluteX="0dp"
tools:layout_editor_absoluteY="256dp" />
<TextView
android:id="@+id/VideoTitle"
android:textSize="22sp"
android:text="video title"
android:textStyle="bold"
android:layout_margin="12dp"
android:textColor="#016699"
android:layout_width="wrap_content"
android:layout_height="0dp"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="@+id/horizontalHalf" />
<com.google.android.exoplayer2.ui.SimpleExoPlayerView
android:id="@+id/videoplayer"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginBottom="8dp"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="8dp"
android:adjustViewBounds="true"
app:layout_constraintBottom_toTopOf="@+id/horizontalHalf"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="1.0" />
<TextView
android:id="@+id/VideoDesc"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:ems="10"
android:text="Video Desc"
app:layout_constraintLeft_toLeftOf="parent"
android:textSize="18sp"
android:layout_margin="12dp"
app:layout_constraintTop_toBottomOf="@+id/VideoTitle"
tools:layout_editor_absoluteY="477dp"
android:layout_marginLeft="12dp" />
</android.support.constraint.ConstraintLayout>
视频活动
package com.example.kaushal.myapplication;
/**
* Created by kaushal on 06-09-2017.
*/
public class videoplay extends AppCompatActivity implements
ExoPlayer.EventListener {
TextView vidtitle, videodesc;
String videpath;
SimpleExoPlayer exoplayer;
SimpleExoPlayerView exoPlayerView;
PlaybackStateCompat.Builder videosessionBuilder;
final static String TAG = videoplay.class.getName();
private RelativeLayout.LayoutParams paramsNotFullscreen;
RelativeLayout rl;
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.videoplayer);
vidtitle = (TextView) findViewById(R.id.VideoTitle);
videodesc = (TextView) findViewById(R.id.VideoDesc);
exoPlayerView = (SimpleExoPlayerView)
findViewById(R.id.videoplayer);
vidtitle.setText(getIntent().getStringExtra("videotitle"));
videodesc.setText(getIntent().getStringExtra("videodesc"));
videpath = getIntent().getStringExtra("videourl");
mediaSession();
Uri uri = Uri.parse(videpath);
intializePlayer(uri);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
if(newConfig.orientation==Configuration.ORIENTATION_LANDSCAPE){
paramsnotfullscreen= (RelativeLayout.LayoutParams)exoPlayerView.getLayoutParams();
RelativeLayout.LayoutParams params= new RelativeLayout.LayoutParams(paramsnotfullscreen);
params.setMargins(0, 0, 0, 0);
params.height= ViewGroup.LayoutParams.MATCH_PARENT;
params.width=ViewGroup.LayoutParams.MATCH_PARENT;
params.addRule(RelativeLayout.CENTER_IN_PARENT);
exoPlayerView.setLayoutParams(params);
}else if (newConfig.orientation==Configuration.ORIENTATION_PORTRAIT){
exoPlayerView.setLayoutParams(paramsnotfullscreen);
}
} //refrence = https://stackoverflow.com/questions/13011891/make-a-fullscreen-in-only-layout-land-android-when-play-videoview
public void intializePlayer(Uri uri) {
DefaultTrackSelector dfs = new DefaultTrackSelector();
DefaultLoadControl dfc = new DefaultLoadControl();
exoplayer = ExoPlayerFactory.newSimpleInstance(this, dfs, dfc);
exoPlayerView.setPlayer(exoplayer);
//Prepare Media source
String useragent = Util.getUserAgent(this, "MyApplication");
MediaSource mediaSource = new ExtractorMediaSource(uri, new DefaultDataSourceFactory(this, useragent),
new DefaultExtractorsFactory(), null, null);
exoplayer.prepare(mediaSource);
exoplayer.setPlayWhenReady(true);
}
public void releasePlayer() {
exoplayer.stop();
exoplayer.release();
exoplayer = null;
}
public void mediaSession() {
MediaSessionCompat mediaSessionCompat = new MediaSessionCompat(this, TAG);
mediaSessionCompat.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
mediaSessionCompat.setMediaButtonReceiver(null);
videosessionBuilder = new PlaybackStateCompat.Builder().setActions(PlaybackStateCompat.ACTION_PLAY |
PlaybackStateCompat.ACTION_PAUSE | PlaybackStateCompat.ACTION_PLAY_PAUSE);
mediaSessionCompat.setPlaybackState(videosessionBuilder.build());
mediaSessionCompat.setCallback(new mediaSessionCallback());
mediaSessionCompat.setActive(true);
}
public class mediaSessionCallback extends MediaSessionCompat.Callback {
@Override
public void onPlay() {
exoplayer.setPlayWhenReady(true);
}
@Override
public void onPause() {
exoplayer.setPlayWhenReady(false);
}
@Override
public void onSkipToPrevious() {
exoplayer.seekTo(0);
}
}
//Exo player methods
@Override
public void onTimelineChanged(Timeline timeline, Object manifest) {
}
@Override
public void onTracksChanged(TrackGroupArray trackGroups, TrackSelectionArray trackSelections) {
}
@Override
public void onLoadingChanged(boolean isLoading) {
}
@Override
public void onPlayerStateChanged(boolean playWhenReady, int playbackState) {
if ((playbackState == exoplayer.STATE_READY) && playWhenReady) {
Log.d(TAG, "Player running");
} else if (playbackState == exoplayer.STATE_READY) {
Log.d(TAG, "paused");
}
}
@Override
public void onPlayerError(ExoPlaybackException error) {
}
@Override
public void onPositionDiscontinuity() {
}
//When Activity is been destroyed
@Override
protected void onDestroy() {
super.onDestroy();
releasePlayer();
}
}