使用SurfaceView和MedioPlayer播放视频

添加权限：

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

布局：

/SurfaceViewPlayVideo/res/layout/activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <SurfaceView
        android:id="@+id/surfaceView"
        android:layout_width="match_parent"
        android:layout_height="360dp" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:gravity="center_horizontal"
        android:orientation="horizontal" >

        <ImageButton
            android:id="@+id/play"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/play" />

        <ImageButton
            android:id="@+id/pause"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/pause" />

        <ImageButton
            android:id="@+id/stop"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/stop" />
    </LinearLayout>

</RelativeLayout>

/SurfaceViewPlayVideo/src/com/lxm/surfaceviewplayvideo/MainActivity.java

<pre name="code" class="java">package com.lxm.surfaceviewplayvideo;

import android.app.Activity;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Environment;
import android.util.DisplayMetrics;
import android.view.Menu;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.ImageButton;
//注意这里别导错
import android.widget.RelativeLayout.LayoutParams;


public class MainActivity extends Activity implements OnClickListener {
	ImageButton play, pause, stop;
	SurfaceView surfaceView;
	MediaPlayer mPlayer;
	int position;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		play = (ImageButton) findViewById(R.id.play);
		pause = (ImageButton) findViewById(R.id.pause);
		stop = (ImageButton) findViewById(R.id.stop);
		play.setOnClickListener(this);
		pause.setOnClickListener(this);
		stop.setOnClickListener(this);
		mPlayer = new MediaPlayer();
		surfaceView = (SurfaceView) this.findViewById(R.id.surfaceView);
		surfaceView.getHolder().setKeepScreenOn(true);
		surfaceView.getHolder().addCallback(new SurfaceListener());
	}
	private class SurfaceListener implements SurfaceHolder.Callback{

		@Override
		public void surfaceCreated(SurfaceHolder holder) {
			try {
				if (position > 0){
					play();
					// 并直接从指定位置开始播放
					mPlayer.seekTo(position);
					position = 0;
					
				}
			} catch (Exception e) {
				e.printStackTrace();
			}
			
		}

		@Override
		public void surfaceChanged(SurfaceHolder holder, int format, int width,
				int height) {
			// TODO Auto-generated method stub
			
		}

		@Override
		public void surfaceDestroyed(SurfaceHolder holder) {
			// TODO Auto-generated method stub
			
		}
		
	}
	@Override
	public void onClick(View v) {
		try {
			switch (v.getId()) {
			// 播放按钮被单击
			case R.id.play:
				play();
				break;
			// 暂停按钮被单击
			case R.id.pause:
				if (mPlayer.isPlaying()) {
					mPlayer.pause();
				} else {
					mPlayer.start();
				}
				break;
			// 停止按钮被单击
			case R.id.stop:
				if (mPlayer.isPlaying())
					mPlayer.stop();
				break;
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	private void play() throws Exception{
		mPlayer.reset();
		mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
		String mp4Path = Environment.getExternalStorageDirectory()+"/mv";  
		mPlayer.setDataSource(mp4Path+"/Roar.mp4");
		// 把视频画面输出到SurfaceView
		mPlayer.setDisplay(surfaceView.getHolder()); 
		mPlayer.prepare();
		// 获取窗口管理器
		WindowManager wManager = getWindowManager();
		DisplayMetrics metrics = new DisplayMetrics();
		// 获取屏幕大小
		wManager.getDefaultDisplay().getMetrics(metrics);
		// 设置视频保持纵横比缩放到占满整个屏幕
		surfaceView.setLayoutParams(new LayoutParams(metrics.widthPixels
				, mPlayer.getVideoHeight() * metrics.widthPixels
				/ mPlayer.getVideoWidth()));		
		mPlayer.start();
	}
	
	@Override
	protected void onPause() {
		if (mPlayer.isPlaying()){
			// 保存当前的播放位置
			position = mPlayer.getCurrentPosition();
			mPlayer.stop();
		}
		super.onPause();
	}

	@Override
	protected void onDestroy() {
		// 停止播放
		if (mPlayer.isPlaying()) mPlayer.stop();
		// 释放资源
		mPlayer.release();		
		super.onDestroy();
	}
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

}

源码下载

以上的代码来自李刚老师的疯狂Android讲义。