我想在 ViewPager
中设置 YouTube 视频。为此,我在适配器中设置了 FrameLayout
,并在其中设置了 YoutubeVideoFragment,如下所示:
我的 ViewPager 适配器:
import android.app.Activity;
import android.app.FragmentTransaction;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import java.util.List;
import np.com.test.R;
import np.com.test.fragment.YoutubeVideoFragment;
/**
* Created by Vikash on 8/18/2015.
*/
public class TutorialVideoAdapter extends PagerAdapter {
private List<String> mList;
private Activity mActivity;
public TutorialVideoAdapter(Activity activity, List<String> list) {
mActivity = activity;
mList = list;
}
@Override
public int getCount() {
return mList.size();
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view == object;
}
@Override
public Object instantiateItem(ViewGroup container, int position) {
LayoutInflater inflater = (LayoutInflater) mActivity
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.pager_video_tutorial, container, false);
YoutubeVideoFragment fragment = new YoutubeVideoFragment();
Bundle bundle = new Bundle();
bundle.putString("video_key", mList.get(position));
fragment.setArguments(bundle);
FragmentTransaction transaction = mActivity.getFragmentManager().beginTransaction();
transaction.add(R.id.fragment_container, fragment);
transaction.commit();
container.addView(view);
return view;
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View) object);
}
}
在上面的适配器中,YoutubeVideoFragment
用于加载 Youtube 视频。
YoutubeVideoFragment:
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import com.google.android.youtube.player.YouTubeInitializationResult;
import com.google.android.youtube.player.YouTubePlayer;
import com.google.android.youtube.player.YouTubePlayerFragment;
import np.com.test.R;
import np.com.test.utils.Config;
/**
* Created by Vikash on 8/18/2015.
*/
public class YoutubeVideoFragment extends Fragment implements YouTubePlayer.OnInitializedListener {
private String YOUTUBE_VIDEO_CODE;
private static final int RECOVERY_DIALOG_REQUEST = 1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
YOUTUBE_VIDEO_CODE = getArguments().getString("video_key");
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View fragmentYoutubeView = inflater.inflate(R.layout.fragment_youtube_video, container, false);
YouTubePlayerFragment mYoutubePlayerFragment = new YouTubePlayerFragment();
mYoutubePlayerFragment.initialize(Config.GOOGLE_API_KEY, this);
FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.fragment_youtube_player, mYoutubePlayerFragment);
fragmentTransaction.commit();
return fragmentYoutubeView;
}
@Override
public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer player, boolean wasRestored) {
if (!wasRestored) {
player.cueVideo(YOUTUBE_VIDEO_CODE);
}
}
@Override
public void onInitializationFailure(YouTubePlayer.Provider provider, YouTubeInitializationResult errorReason) {
if (errorReason.isUserRecoverableError()) {
errorReason.getErrorDialog(getActivity(), RECOVERY_DIALOG_REQUEST).show();
} else {
String errorMessage = String.format(
getString(R.string.error_player), errorReason.toString());
Toast.makeText(getActivity(), errorMessage, Toast.LENGTH_LONG).show();
}
}
}
fragmenet_youtube_video和pager_video_tutorial的XML布局代码:
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/fragment_youtube_player"
android:layout_width="match_parent"
android:layout_height="match_parent" />
我得到了什么? 仅显示第一个位置 fragment 。我只能在 viewpager 中看到一个视频,其余页面是空白的。
我尝试了什么?我试图在 Google 中搜索昨天的解决方案,但没有成功。
我的问题:如何加载剩余的 YoutubeVideoFragment
?
谢谢。
最佳答案
当寻呼机包含多个 YouTubePlayerFragments 时,我得到了 YouTube View 被我的 View 寻呼机覆盖的错误。
经过大量研究,我解决了如下。
覆盖 fragment 的 setUserVisibleHint()。
释放之前的 YouTubePlayer (mYoutubePlayer)。
通过 initialize() 创建播放器的新实例。
在 onInitilizationSuccess 中,使用 youtube_video_id 加载播放器。
注意:我正在使用 FragmentStatePagerAdapter。
@Override
public void setUserVisibleHint(boolean isVisibleToUser) {
super.setUserVisibleHint(isVisibleToUser);
if (!isVisibleToUser && mYoutubePlayer != null) {
mYoutubePlayer.release();
}
if (isVisibleToUser && mYouTubePlayerSupportFragment != null) {
mYouTubePlayerSupportFragment.initialize(API_KEY, Context);
}
关于android - 在 viewpager 中显示 Youtube 视频,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32086897/