Ich füge einige Code auf die Aktivität, von diesem Link:
http://explod.io/setting-the-theme-of-mediaroutechooserdialog/
MediaRouteDialogFactory mMediaRouteDialogFactory = new VideoMediaRouteDialogFactory() {
@NonNull
@Override
public MediaRouteChooserDialogFragment onCreateChooserDialogFragment() {
return new MediaRouteChooserDialogFragment() {
@Override
public MediaRouteChooserDialog onCreateChooserDialog(Context context, Bundle savedInstanceState) {
return new MediaRouteChooserDialog(context, android.R.style.Theme_Material_Light_Dialog);
}
};
}
};
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.my_menu, menu);
mMediaRouteMenuItem = mCastManager.addMediaRouterButton(menu, R.id.media_route_menu_item);
MenuItem routeItem = menu.findItem(R.id.media_route_menu_item);
MediaRouteActionProvider mediaRouteButton = (MediaRouteActionProvider) MenuItemCompat.getActionProvider(routeItem);
mediaRouteButton.setDialogFactory(mMediaRouteDialogFactory);
return true;
}
kann u bitte vollständige Quelle davon teilen? –