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

 compile 'com.github.open-android:IjkPlayer:1.0.0'

<com.dl7.player.media.IjkPlayerView
    android:id="@+id/player_view"
    android:layout_width="match_parent"
    android:layout_height="200dp"/>

	mPlayerView = (IjkPlayerView) findViewById(R.id.player_view);
    mUri = Uri.parse("https://covertness.qiniudn" +
            ".com/android_zaixianyingyinbofangqi_test_baseline.mp4");

    mPlayerView.init()
                  .setVideoPath(mUri) 
            .setMediaQuality(IjkPlayerView.MEDIA_QUALITY_HIGH)
            .enableDanmaku()
            .start();

 @Override
protected void onResume() {
    super.onResume();
    mPlayerView.onResume();
}

@Override
protected void onPause() {
    super.onPause();
    mPlayerView.onPause();
}

@Override
protected void onDestroy() {
    super.onDestroy();
    mPlayerView.onDestroy();
}

@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    mPlayerView.configurationChanged(newConfig);
}

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (mPlayerView.handleVolumeKey(keyCode)) {
        return true;
    }
    return super.onKeyDown(keyCode, event);
}

@Override
public void onBackPressed() {
    if (mPlayerView.onBackPressed()) {
        return;
    }
    super.onBackPressed();
}

<uses-permission android:name="android.permission.INTERNET"></uses-permission>