如何在 ListView 中刷新 Youtube Player View onItemClickListener()

Question

我可以使用 cuePlaylist() 播放 Youtube 视频，但我也希望允许用户点击任何列表项，然后我想刷新 YoutubePlayerView 用户刚刚点击的视频

我正在使用 cuePlaylist()，因此将上一个和下一个按钮作为 Youtube 播放器的默认功能

那么我可以用我在 ListView 中选择的那个刷新 YoutubePlayerView 吗？

这是我的完整代码，当我点击任何列表项时，YoutubePlayerView 中没有任何变化，但能够 Log 我刚刚在 Log 中点击的视频 ID =15=]...

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {

            strVideoID = flowerList.get(i).getUrl();
            Log.d("url:", strVideoID); // getting particular video id

            youTubePlayerFragment.initialize(API_KEY, new YouTubePlayer.OnInitializedListener() {

                // YouTubeプレーヤーの初期化成功
                @Override
                public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer player, boolean wasRestored) {
                    if (!wasRestored) {
                        player.setPlayerStyle(YouTubePlayer.PlayerStyle.DEFAULT);
                        player.loadVideo(strVideoID);
                        player.play();
                    }
                }

                // YouTubeプレーヤーの初期化失敗
                @Override
                public void onInitializationFailure(YouTubePlayer.Provider provider, YouTubeInitializationResult error) {
                    // YouTube error
                    String errorMessage = error.toString();
                    Toast.makeText(MainActivity.this, errorMessage, Toast.LENGTH_LONG).show();
                    Log.d("errorMessage:", errorMessage);
                }
            });

        }
    });

    }

    @Override
    public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer youTubePlayer, boolean b) {

        if (!b) {
            youTubePlayer.setPlayerStyle(YouTubePlayer.PlayerStyle.DEFAULT);
            youTubePlayer.cuePlaylist(PLAYLIST_ID);
        }

    }

Answer 1

播放任何 YouTube 视频的步骤

1 在 xml 文件中创建一个管视图。

<com.google.android.youtube.player.YouTubePlayerView
                android:id="@+id/youtube_view"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="30dp" />

在 java 文件中

public class MainActivity extends YouTubeBaseActivity implements
            YouTubePlayer.OnInitializedListener {

        private static final int RECOVERY_DIALOG_REQUEST = 1;

        // YouTube player view
        private YouTubePlayerView youTubeView;

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            requestWindowFeature(Window.FEATURE_NO_TITLE);
            getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                    WindowManager.LayoutParams.FLAG_FULLSCREEN);

            setContentView(R.layout.activity_main);

            youTubeView = (YouTubePlayerView) findViewById(R.id.youtube_view);

            // Initializing video player with developer key
            youTubeView.initialize(Config.DEVELOPER_KEY, this);

        }

        @Override
        public void onInitializationFailure(YouTubePlayer.Provider provider,
                YouTubeInitializationResult errorReason) {
            if (errorReason.isUserRecoverableError()) {
                errorReason.getErrorDialog(this, RECOVERY_DIALOG_REQUEST).show();
            } else {
                String errorMessage = String.format(
                        getString(R.string.error_player), errorReason.toString());
                Toast.makeText(this, errorMessage, Toast.LENGTH_LONG).show();
            }
        }

        @Override
        public void onInitializationSuccess(YouTubePlayer.Provider provider,
                YouTubePlayer player, boolean wasRestored) {
            if (!wasRestored) {

                // loadVideo() will auto play video
                // Use cueVideo() method, if you don't want to play it automatically
                player.loadVideo(YOUTUBE_VIDEO_CODE);

                // Hiding player controls
                player.setPlayerStyle(PlayerStyle.CHROMELESS);
            }
        }

        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
            if (requestCode == RECOVERY_DIALOG_REQUEST) {
                // Retry initialization if user performed a recovery action
                getYouTubePlayerProvider().initialize(DEVELOPER_KEY, this);
            }
        }

        private YouTubePlayer.Provider getYouTubePlayerProvider() {
            return (YouTubePlayerView) findViewById(R.id.youtube_view);
        }

    }

Answer 2

你在这里使用了错误的方法，你不需要每次都在 YoutubePlayerFragment 上调用初始化，你在 onCreate 方法中完成的第一次初始化就足够了

YouTubePlayerFragment youTubePlayerFragment = YouTubePlayerFragment.newInstance();
    youTubePlayerFragment.initialize(API_KEY, this);

在您在 Activity 中实现的初始化侦听器中，您应该将 YoutubePlayer 的引用保留在 class 级别属性中，如下所示

 //your class level attribute to keep reference of player
   YouTubePlayer mYoutubePlayer;

@Override
public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer youTubePlayer, boolean b) {

    if (!b) {
        youTubePlayer.setPlayerStyle(YouTubePlayer.PlayerStyle.DEFAULT);
        youTubePlayer.cuePlaylist(PLAYLIST_ID);
        //Save reference of initialized player in class level attribute
         mYoutubePlayer = youTubePlayer;
    }

}

并使用此播放器属性在 onItemClick 中加载视频，而不是使用新侦听器在 YoutubePlayerFragment 上再次调用初始化

 listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {

        strVideoID = flowerList.get(i).getUrl();
        Log.d("url:", strVideoID); // getting particular video id
        if(mYoutubePlayer!=null){
        mYoutubePlayer.setPlayerStyle(YouTubePlayer.PlayerStyle.DEFAULT);
        mYoutubePlayer.loadVideo(strVideoID);
        mYoutubePlayer.play();
        }

    }
});

如何在 ListView 中刷新 Youtube Player View onItemClickListener()

How to refresh Youtube Player View onItemClickListener() in a ListView

youtube

video

android

youtube-api

android-listview