当您尝试使用相同的Fragment每个ListView项目来扩展视图时，您的应用程序将崩溃（作为片段 id 中的重复，如本测验）
有两个解决方案（其中一个来自@ivagarz答案）：
1-您只能显示一个 youtube 视频YouTubePlayerView在ListView您的Activity布局中使用但您Activity必须YouTubeBaseActivity像YouTube Android Player API Doc一样扩展（我认为此解决方案不会帮助您解决问题）
2-您可以使用youtube 播放器按钮在用于显示视频的 youtube 缩略图上显示YouTubeThumbnailView每个项目的视频的youtube 缩略图图像。ListView
喜欢下一张图片：
当用户单击 youtube 播放器按钮时，您有两种方法：
第一个选项使用YouTubePlayerSupportFragment：您可以替换YouTubeThumbnailView为YouTubePlayerSupportFragment
如果您选择此选项，您必须：
A-YouTubePlayerSupportFragment以编程方式即时添加（以避免在FragmentId 中重复）。
ListViewB- 仅在此问题的答案中显示一个视频。
例如：
list_item.xml项目布局ListView：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/parent_relativeLayout"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<com.google.android.youtube.player.YouTubeThumbnailView
android:id="@+id/youtube_thumbnail"
android:layout_width="fill_parent"
android:layout_height="250dp"
android:scaleType="centerCrop"
android:visibility="gone"/>
<RelativeLayout android:id="@+id/relativeLayout_over_youtube_thumbnail"
android:layout_width="fill_parent"
android:layout_height="250dp"
android:background="@color/color_background_transparent"
android:visibility="gone">
<ImageView android:id="@+id/btnYoutube_player"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="center"
android:src="@drawable/youtube_player"/>
</RelativeLayout>
</RelativeLayout>
在getView适配器方法中ListView：
public View getView(int position, View convertView, ViewGroup parent) {
convertView = inflator.inflate(R.layout.list_item.xml, parent, false);
final RelativeLayout relativeLayoutOverYouTubeThumbnailView = (RelativeLayout) convertView.findViewById(R.id.relativeLayout_over_youtube_thumbnail);
final YouTubeThumbnailView youTubeThumbnailView = (YouTubeThumbnailView) convertView.findViewById(R.id.youtube_thumbnail);
// get parent relative layout
RelativeLayout parentRelativeLayout = (RelativeLayout) convertView.findViewById(R.id.parent_relativeLayout);
// then create dynamic FrameLayout
FrameLayout.LayoutParams dynamicFrameLayoutParams = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT);
final FrameLayout dynamicFrameLayout = new FrameLayout(ctx);
dynamicFrameLayout.setId(Different_ID);
dynamicFrameLayout.setLayoutParams(dynamicFrameLayoutParams);
// then add dynamic FrameLayout as children in parent relative layout
parentRelativeLayout.addView(dynamicFrameLayout);
ImageView youtubePlayerButton = (ImageView) convertView.findViewById(R.id.btnYoutube_player);
youtubePlayerButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
View parentView = (View) v.getParent().getParent();
YouTubeThumbnailView youTubeThumbnailView = (YouTubeThumbnailView) parentView.findViewById(R.id.youtube_thumbnail);
RelativeLayout relativeLayoutOverYouTubeThumbnailView = (RelativeLayout) parentView.findViewById(R.id.relativeLayout_over_youtube_thumbnail);
youTubeThumbnailView.setVisibility(View.GONE);
relativeLayoutOverYouTubeThumbnailView.setVisibility(View.GONE);
YouTubeFragment youTubeFragment = new YouTubeFragment();
youTubeFragment.youTubeFragmentInitialize(VideoID, youTubeFragment, parentView);
getSupportFragmentManager()
.beginTransaction()
.replace(dynamicFrameLayout.getId(), youTubeFragment)
.commit();
}
});
final YouTubeThumbnailLoader.OnThumbnailLoadedListener onThumbnailLoadedListener = new YouTubeThumbnailLoader.OnThumbnailLoadedListener(){
@Override
public void onThumbnailError(YouTubeThumbnailView youTubeThumbnailView, YouTubeThumbnailLoader.ErrorReason errorReason) {
}
@Override
public void onThumbnailLoaded(YouTubeThumbnailView youTubeThumbnailView, String s) {
loadingImage.setVisibility(View.GONE);
youTubeThumbnailView.setVisibility(View.VISIBLE);
relativeLayoutOverYouTubeThumbnailView.setVisibility(View.VISIBLE);
}
};
youTubeThumbnailView.initialize(API_KEY, new YouTubeThumbnailView.OnInitializedListener() {
@Override
public void onInitializationSuccess(YouTubeThumbnailView youTubeThumbnailView, YouTubeThumbnailLoader youTubeThumbnailLoader) {
youTubeThumbnailLoader.setVideo(VideoID);
youTubeThumbnailLoader.setOnThumbnailLoadedListener(onThumbnailLoadedListener);
}
@Override
public void onInitializationFailure(YouTubeThumbnailView youTubeThumbnailView, YouTubeInitializationResult youTubeInitializationResult) {
}
});
}
我是从以下位置创建自己的Fragment扩展YouTubePlayerSupportFragment：
public class YouTubeFragment extends YouTubePlayerSupportFragment {
public void youTubeFragmentInitialize(final String videoId, final YouTubeFragment fragment, final View parent) {
fragment.initialize(apiKey, new YouTubePlayer.OnInitializedListener() {
@Override
public void onInitializationSuccess(YouTubePlayer.Provider provider, final YouTubePlayer youTubePlayer, boolean wasRestored) {
youTubePlayer.setShowFullscreenButton(false);
if (!wasRestored) {
youTubePlayer.loadVideo(videoId);
}
}
@Override
public void onInitializationFailure(YouTubePlayer.Provider provider, YouTubeInitializationResult youTubeInitializationResult) {
Log.e("app", youTubeInitializationResult.toString());
}
});
}
}
YouTubeStandalonePlayer使用或创建自己的Activity扩展的第二个选项YouTubeBaseActivity：就在用户单击 youtube 播放器按钮时，您可以创建一个 Intent 来打开新活动以显示视频
Intent intent = YouTubeStandalonePlayer.createVideoIntent(context, YOUR_DEVELOPER_KEY, VIDEO_ID);
startActivity(intent);