java制作仿微信视频播放控件

java制作仿微信视频播放控件

此控件继承自 SurfaceView，利用 MediaPlayer 播放视频。

小视频播放界面

MoviePlayerView.java

import java.io.IOException;

import android.content.Context;

import android.media.AudioManager;

import android.media.MediaPlayer;

import android.media.MediaPlayer.OnCompletionListener;

import android.util.AttributeSet;

import android.view.SurfaceHolder;

import android.view.SurfaceHolder.Callback;

import android.view.SurfaceView;

/**

* 视频播放控件

*@author liuyinjun

* @date 2015-2-8

*/

public class MoviePlayerView extends SurfaceView {

private SurfaceHolder mSurfaceHolder;

private MediaPlayer mPlayer;

public MoviePlayerView(Context context) {

this(context, null);

}

public MoviePlayerView(Context context, AttributeSet attrs) {

this(contextflqxE, attrs, 0);

}

public MoviePlayerView(Context context, AttributeSet attrs, int defStyle) {

super(context, attrs, defStyle);

mSurfaceHolder = this.getHolder();

mSurfaceHolder.addCallback(mSurfaceHolderCallback); // holder加入回调接口

mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);// setType必须设置，要不出错.

}

/**

* 播放视频

* @param fileName 文件路径

*/

public void play(String fileName, final OnPlayCompletionListener completionListener) {

mPlayer = new MediaPlayer();

mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

mPlayer.setDisplay(mSurfaceHolder); // 定义一个SurfaceView播放它

mPlayer.setOnCompletionListener(new OnCompletionListener() {

@Override

public void onCompletion(MediaPlayer arg0) {

stop();

if(completionListener != null)

completionListener.onPlayCompletion();

// canvas.drawColor(Color.TRANSPARENT,

// PorterDuff.Mode.CLEAR);

}

});

try {

mPlayer.setDataSource(fileName);

mPlayer.prepare();

} catch (IllegalStateException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.http://printStackTrace();

}

mPlayer.start();

}

private void stop() {

if (mPlayer != null) {

mPlayer.release();

mPlayer = null;

}

}

/**

* 释放资源

*/

public void release() {

if (flqxEmPlayer != null) {

mPlayer.release();

mPlayer = null;

}

}

private Callback mSurfaceHolderCallback = new Callback() {

@Override

public void surfaceDestroyed(SurfaceHolder arg0) {

mSurfaceHolder = null;

}

@Override

public void surfaceCreated(SurfaceHolder arg0) {

// TODO Auto-generated method stub

mSurfaceHolder = arg0;

}

@Override

public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2,

int arg3) {

// TODO Auto-generated method stub

mSurfaceHolder = arg0;

}

};

/**

* 播放成功回调

*@author liuyinjun

* @date 2015-2-9

*/

public interface OnPlayCompletionListener{

public void onPlayCompletion();

}

}

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