.playvideobymediaplayer;

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />

    <SurfaceView
        android:id="@+id/surfaceView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1" />
 
    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/rewind"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="快退10s" />

        <Button
            android:id="@+id/play"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="暂停" />

        <Button
            android:id="@+id/forward"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="快进10s" />
    </LinearLayout>

</LinearLayout>

package com.example.playvideobymediaplayer;



import android.os.Bundle;
import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.view.SurfaceHolder;
import android.view.KeyEvent;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;


public class MainActivity extends Activity implements SurfaceHolder.Callback {
	Button btn_rewind, btn_play, btn_forward;
	String pathString = "/sdcard/video-2.mp4";
	// ////////////////
	SurfaceHolder surfaceHolder;
	MediaPlayer mediaPlayer;
	SurfaceView surfaceView;
	
    @SuppressWarnings("deprecation")
	@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
		btn_rewind = (Button) findViewById(R.id.rewind);
		btn_play = (Button) findViewById(R.id.play);
		btn_forward = (Button) findViewById(R.id.forward);

		// ////////////MediaPlayer设置///////////
 		surfaceView = (SurfaceView) findViewById(R.id.surfaceView);
 		surfaceHolder = surfaceView.getHolder();
 		surfaceHolder.addCallback(this);
 		surfaceHolder.setFixedSize(320, 240);
 		surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
 		mediaPlayer = new MediaPlayer();

		btn_rewind.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub


//				// ///////////////////mediaplayer
 				int rewind = mediaPlayer.getCurrentPosition() - 10000;
 				if (rewind > 0) {
					mediaPlayer.seekTo(rewind);
 				}
			}
		});

		btn_play.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				// ///////////mediaplayer方式
 				if (mediaPlayer.isPlaying()) {
 					mediaPlayer.pause();
 					btn_play.setText("播放");
 				} else {
 					mediaPlayer.start();
 					btn_play.setText("暂停");
 				}
			}
		});

		btn_forward.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub

 				// ///////////////////mediaplayer
 				int forward = mediaPlayer.getCurrentPosition() + 10000;
 				if (forward < mediaPlayer.getDuration()) {
 					mediaPlayer.seekTo(forward);
 				}

			}
		});

	}

	// 使用mediaplayer播放视频
	private void playVideo(String strPath) {// 自定义播放影片函数
		if (mediaPlayer.isPlaying()) {
			mediaPlayer.reset();
		}
		mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
		mediaPlayer.setDisplay(surfaceHolder);// 设置Video影片以SurfaceHolder播放
		try {
			mediaPlayer.setDataSource(strPath); // 设置MediaPlayer的数据源
			mediaPlayer.prepare(); // 准备
		} catch (Exception e) {
			e.printStackTrace();
		}
		mediaPlayer.start();
	}

	// 当用户返回时
		@Override
		public boolean onKeyDown(int keyCode, KeyEvent event) {
			// TODO Auto-generated method stub
			if (keyCode == KeyEvent.KEYCODE_BACK) {
				if (mediaPlayer!=null) {
					mediaPlayer.stop();
					mediaPlayer.release();				
				}
//				if (videoView!=null ) {
//					videoView.pause();
//					videoView.clearAnimation();
//				}
				this.finish();
				return true;
			}
			return super.onKeyDown(keyCode, event);
		}
	
	
	
	@Override
	public void surfaceChanged(SurfaceHolder arg0, int arg1, int arg2, int arg3) {
		// TODO Auto-generated method stub

	}

	@Override
	public void surfaceCreated(SurfaceHolder holder) {
		// TODO Auto-generated method stub
		playVideo(pathString);
	}

	@Override
	public void surfaceDestroyed(SurfaceHolder holder) {
		// TODO Auto-generated method stub

	}
    
}