Error YouTubePlayerView XML

我试图在我的适配器中放置一个YouTubePlayerView，但我没有成功。

我不想调用新的意图。我想在我的应用程序中显示视频。

我把YouTubeAndroidPlayerApi.jar放在我的文件夹库中，看看项目属性，一切都很好（我遵循了本教程）

这是我的XML代码和日志。

<LinearLayout
        android:id="@+id/ll_contentExercicios_LayoutVideoGif"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >
        <com.google.android.youtube.player.YouTubePlayerView 
            android:id="@+id/vv_contentExercicios_YoutubeVideo"
            android:layout_width="300dp"
            android:layout_height="150dp" />

        <ImageView
            android:id="@+id/iv_contentExercicios_GifExercicio"
            android:layout_width="100dp"
            android:layout_height="150dp"
            android:layout_marginLeft="30dp" >
        </ImageView>
 </LinearLayout>


10-29 13:03:42.598: E/AndroidRuntime(4513): FATAL EXCEPTION: main
10-29 13:03:42.598: E/AndroidRuntime(4513): java.lang.RuntimeException: Unable to start activity ComponentInfo{br.com.timo.atlas/br.com.timo.atlas.PrincipalActivity}: android.view.InflateException: Binary XML file line #121: Error inflating class com.google.android.youtube.player.YouTubePlayerView
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2097)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2122)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.ActivityThread.access$600(ActivityThread.java:140)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1228)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.os.Looper.loop(Looper.java:137)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.ActivityThread.main(ActivityThread.java:4895)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at java.lang.reflect.Method.invokeNative(Native Method)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at java.lang.reflect.Method.invoke(Method.java:511)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:994)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:761)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at dalvik.system.NativeStart.main(Native Method)
10-29 13:03:42.598: E/AndroidRuntime(4513): Caused by: android.view.InflateException: Binary XML file line #121: Error inflating class com.google.android.youtube.player.YouTubePlayerView
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.createView(LayoutInflater.java:613)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:749)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:749)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at br.com.timo.atlas.adapters.ExerciciosAdapter.getView(ExerciciosAdapter.java:107)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at br.com.timo.atlas.adapters.MusculoAdapter.getView(MusculoAdapter.java:185)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at br.com.timo.atlas.PrincipalActivity.onCreate(PrincipalActivity.java:275)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.Activity.performCreate(Activity.java:5163)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2061)
10-29 13:03:42.598: E/AndroidRuntime(4513):     ... 11 more
10-29 13:03:42.598: E/AndroidRuntime(4513): Caused by: java.lang.reflect.InvocationTargetException
10-29 13:03:42.598: E/AndroidRuntime(4513):     at java.lang.reflect.Constructor.constructNative(Native Method)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at android.view.LayoutInflater.createView(LayoutInflater.java:587)
10-29 13:03:42.598: E/AndroidRuntime(4513):     ... 23 more
10-29 13:03:42.598: E/AndroidRuntime(4513): Caused by: java.lang.IllegalStateException: A YouTubePlayerView can only be created with an Activity  which extends YouTubeBaseActivity as its context.
10-29 13:03:42.598: E/AndroidRuntime(4513):     at com.google.android.youtube.player.YouTubePlayerView.(Unknown Source)
10-29 13:03:42.598: E/AndroidRuntime(4513):     at com.google.android.youtube.player.YouTubePlayerView.(Unknown Source)
10-29 13:03:42.598: E/AndroidRuntime(4513):     ... 26 more

PS：我正在阅读Youtube API文档，它说有必要一个活动扩展YouTubeBaseActivity才能使用YouTubePlayerView，所以我知道我需要一些方法来在我的BaseAdapter中创建YouTubePlayerView。

谢谢和问候。

适配器中的 BindViewHolder（）方法应如下所示...

 @Override
public void onBindViewHolder(final VideoInfoHolder holder, final int position) {

    final YouTubeThumbnailLoader.OnThumbnailLoadedListener  onThumbnailLoadedListener = new YouTubeThumbnailLoader.OnThumbnailLoadedListener(){
        @Override
        public void onThumbnailError(YouTubeThumbnailView youTubeThumbnailView, YouTubeThumbnailLoader.ErrorReason errorReason) {
        }
        @Override
        public void onThumbnailLoaded(YouTubeThumbnailView youTubeThumbnailView, String s) {
            youTubeThumbnailView.setVisibility(View.VISIBLE);
            holder.relativeLayoutOverYouTubeThumbnailView.setVisibility(View.VISIBLE);
        }
    };
    holder.youTubeThumbnailView.initialize(Resources.KEY, new YouTubeThumbnailView.OnInitializedListener() {
        @Override
        public void onInitializationSuccess(YouTubeThumbnailView youTubeThumbnailView, YouTubeThumbnailLoader youTubeThumbnailLoader) {
            youTubeThumbnailLoader.setVideo(VideoID[position]);
            youTubeThumbnailLoader.setOnThumbnailLoadedListener(onThumbnailLoadedListener);
        }
        @Override
        public void onInitializationFailure(YouTubeThumbnailView youTubeThumbnailView, YouTubeInitializationResult youTubeInitializationResult) {
             //write something for failure
        }
    });
}

并在适配器>的 viewHolder 类中实现这样的点击监听器......

public class VideoInfoHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
    protected RelativeLayout relativeLayoutOverYouTubeThumbnailView;
    YouTubeThumbnailView youTubeThumbnailView;
    protected ImageView playButton;
    public VideoInfoHolder(View itemView) {
        super(itemView);
        playButton=(ImageView)itemView.findViewById(R.id.btnYoutube_player);
        playButton.setOnClickListener(this);
        relativeLayoutOverYouTubeThumbnailView = (RelativeLayout) itemView.findViewById(R.id.relativeLayout_over_youtube_thumbnail);
        youTubeThumbnailView = (YouTubeThumbnailView) itemView.findViewById(R.id.youtube_thumbnail);
    }
    @Override
    public void onClick(View v) {
        Intent intent = YouTubeStandalonePlayer.createVideoIntent((Activity) ctx, Resources.KEY, VideoID[getLayoutPosition()]);
        ctx.startActivity(intent);
    }
}

首先替换您的小部件

`<com.google.android.youtube.player.YouTubePlayerView 
            android:id="@+id/vv_contentExercicios_YoutubeVideo"
            android:layout_width="300dp"
            android:layout_height="150dp" />`

自

`<com.google.android.youtube.player.YouTubeThumbnailView
        android:id="@+id/youtube_thumbnail"
        android:layout_width="match_parent"
        android:layout_height="250dp"
        android:scaleType="centerCrop"
        android:visibility="visible"/>

是的，您需要扩展 YouTubeBaseActivity，或者您可以使用 android.support.v4 中的 YouTubePlayerSupportFragment 和 FrameActivity。

<fragment
  android:name="com.google.android.youtube.player.YouTubePlayerSupportFragment"
  android:id="@+id/youtube_fragment"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"/>

YouTube

不允许在一个活动中观看多个 YouTube 播放器。我不知道您的要求，但是您可以使用带有片段的查看页，并且在片段中，您可以使用childfragmentmanager将youtubefragment动态添加到您的片段中。

在你的 java 文件中ex. MainActivity.java尝试替换public class MainActivity extends AppCompatActivity与public class MainActivity extends YouTubeBaseActivity

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