相关疑难解决方法(0)

我想在片段中播放视频.但是,我无法让它发挥作用.如果我正在扩展'YoutubeFailureRecovery',我得到:

09-06 21:56:40.472:E/AndroidRuntime(4946):引起:java.lang.IllegalStateException:只能使用将YouTubeBaseActivity扩展为其上下文的Activity创建YouTubePlayerView.

这是我的.xml:

<com.google.android.youtube.player.YouTubePlayerView
    android:id="@+id/player"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>

这是班级:

public class YoutubeFragment extends YoutubeFailureRecovery {

    YouTubePlayer player;
    YouTubePlayerView playerView;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle arg2) {
        // TODO Auto-generated method stub
        return inflater.inflate(R.layout.detailview, container, false);
    }

    @Override
    public void onStart() {
        // TODO Auto-generated method stub
        super.onStart();
        playerView = (YouTubePlayerView)getActivity().findViewById(R.id.player);
        playerView.initialize(DataHolder.DEVELOPER_KEY, this);

    }

    @Override
    public void onInitializationSuccess(Provider provider, YouTubePlayer player,
                                        boolean wasRestored) {
        // TODO Auto-generated method stub
        player.cueVideo("nCgQDjiotG0");
    }

    @Override
    protected Provider getYouTubePlayerProvider() {
        // TODO …