allprojects {
    repositories {
        ...
        maven { url 'https://jitpack.io' }
    }
}

dependencies {
        compile 'com.github.fanhua1994:FastVideoPlayer:1.0.6'
}

 <activity android:name=".MainActivity"
    android:configChanges="orientation|screenSize|keyboardHidden">
</activity>

<com.hengyi.fastvideoplayer.library.FastVideoPlayer
    android:id="@+id/fastvideo_player"
    android:layout_width="match_parent"
    android:layout_height="200dp"></com.hengyi.fastvideoplayer.library.FastVideoPlayer>

videoPlayer = findViewById(R.id.fastvideo_player);
videoPlayer.setLive(false);//是直播还是点播  false为点播
videoPlayer.setScaleType(FastVideoPlayer.SCALETYPE_FITXY);
videoPlayer.setTitle("TiDB宣传视频");//设置标题
videoPlayer.setUrl("https://download.pingcap.com/videos/pingcap-intro-converted.mp4");
videoPlayer.play();//自动播放
//封面图加载
Glide.with(this).load("https://download.pingcap.com/images/video-poster.jpg").into(videoPlayer.getCoverImage());

videoPlayer.setScreenListener(new FastVideoPlayerScreenListener() {
    @Override
    public void onFullScreen() {
        Toast.makeText(MainActivity.this,"进入全屏",Toast.LENGTH_SHORT).show();
    }

    @Override
    public void onSmallScreen() {
        Toast.makeText(MainActivity.this,"进入小屏",Toast.LENGTH_SHORT).show();
    }
});

/**
 * 下面的这几个Activity的生命状态很重要
 */
@Override
protected void onPause() {
    super.onPause();
    if (videoPlayer != null) {
        videoPlayer.onPause();
    }
}

@Override
protected void onResume() {
    super.onResume();
    if (videoPlayer != null) {
        videoPlayer.onResume();
    }
}

@Override
protected void onDestroy() {
    super.onDestroy();
    if (videoPlayer != null) {
        videoPlayer.onDestroy();
    }
}

@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    if (videoPlayer != null) {
        videoPlayer.onConfigurationChanged(newConfig);
    }
}

@Override
public void onBackPressed() {
    if (videoPlayer != null && videoPlayer.onBackPressed()) {
        return;
    }
    super.onBackPressed();
}