简单封装SurfaceView播放视频功能

完善一下，加入一个视频是否需要循环播放
最近有一个播放视频的需求，要求很简单，就是打开Activity自动播放视频，然后监听下播放结束后显示某个图片或者跳转，于是动手封装一个
MediaVideoUtil

public class MediaVideoUtil {
private static MediaPlayer mediaPlayer;

/**
 *
 * @param context this
 * @param surfaceView SurfaceView
 * @param uri 文件地址
 *            String videoUrl= "android.resource://" + getPackageName() + "/" + R.raw.guo;
 *            Uri uri = Uri.parse(videoUrl);
 *            网络地址
 *            Uri uri = Uri.parse("https://视频地址.mp4");
 */
public static void playerVideo(Context context,SurfaceView surfaceView, final Uri uri){
    playerVideo(context,surfaceView,uri,false,null);
}

/**
 *
 * @param context this
 * @param surfaceView SurfaceView
 * @param uri 文件地址
 *            String videoUrl= "android.resource://" + getPackageName() + "/" + R.raw.guo;
 *            Uri uri = Uri.parse(videoUrl);
 *            网络地址
 *            Uri uri = Uri.parse("https://视频地址.mp4");
 * @param listener 播放结束之后操作
 */
public static void playerVideo(Context context,SurfaceView surfaceView, final Uri uri,boolean looping,final MediaPlayer.OnCompletionListener listener ){
    SurfaceHolder holder = surfaceView.getHolder();
    holder.addCallback(new SurfaceHolder.Callback() {
        @Override
        public void surfaceCreated(@NonNull SurfaceHolder surfaceHolder) {
            mediaPlayer = new MediaPlayer();

            //设置多媒体类型
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

            try {

                mediaPlayer.setDataSource(context,uri);
                mediaPlayer.prepare();
                mediaPlayer.setDisplay(holder);
              // 设置是否循环播放 ture：是  false:否
                mediaPlayer.setLooping(looping);
                mediaPlayer.start();


            } catch (IOException e) {
                e.printStackTrace();
            }
        }

        //当SurfaceView的大小发生改变时候触发该方法
        @Override
        public void surfaceChanged(@NonNull SurfaceHolder surfaceHolder, int i, int i1, int i2) {

        }

        //Surface销毁时回掉
        //当Surface销毁时候，同时把MediaPlayer也销毁
        @Override
        public void surfaceDestroyed(@NonNull SurfaceHolder surfaceHolder) {
            if (mediaPlayer!=null) {
                mediaPlayer.stop();
                //释放资源
                mediaPlayer.release();
            }
        }
    });

}

}

页面布局

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">


<SurfaceView
    android:id="@+id/surfaceView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerInParent="true"
    tools:ignore="MissingConstraints" />

</androidx.constraintlayout.widget.ConstraintLayout>

在MainActivity中的使用

private SurfaceView surfaceView;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    surfaceView = (SurfaceView) findViewById(R.id.surfaceView);

    //视频播放
    String videoUrl= "android.resource://" + getPackageName() + "/" + R.raw.guo;
    Uri uri = Uri.parse(videoUrl);

    MediaVideoUtil.playerVideo(this, surfaceView, uri, true,new MediaPlayer.OnCompletionListener() {
        @Override
        public void onCompletion(MediaPlayer mediaPlayer) {
            Toast.makeText(MainActivity.this, "视频播放完成！", Toast.LENGTH_SHORT).show();
        }
    });

    

}

对于小白来说不知道 "android.resource://" + getPackageName() + "/" + R.raw.guo;这是在哪里
给你们一个而贴图自己看啊

视频文件存放位置.PNG

好了到此结束，已经够明白了啊