问以编程方式打开媒体输出选取器

EN

public class MediaRouterPlaybackActivity extends AppCompatActivity {
  private MediaRouteSelector mSelector;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);

      // Create a route selector for the type of routes your app supports.
      mSelector = new MediaRouteSelector.Builder()
              // These are the framework-supported intents
              .addControlCategory(MediaControlIntent.CATEGORY_REMOTE_PLAYBACK)
              .addControlCategory(MediaControlIntent.CATEGORY_LIVE_AUDIO)
              .build();
  }
}

Intent intent = new Intent("com.android.settings.panel.action.MEDIA_OUTPUT");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);