在Android 中, 如何打開 Youtube app, 播放影片

public void startYoutube() {
   
    String videoID="GUIgsVUZz54&";

Intent i = new Intent(Intent.ACTION_VIEW, Uri.parse("vnd.youtube:" + videoID));
List<ResolveInfo> list = getPackageManager().queryIntentActivities(i, PackageManager.MATCH_DEFAULT_ONLY);
if (list.size() == 0) {
 i = new Intent(getApplicationContext(), Main.class);
 i.putExtra("VIDEO_ID", videoID);
}
startActivity(i);

};