Android游戏开发学习笔记（三）：视频的播放(2)

import android.graphics.PixelFormat; 
import android.media.AudioManager; 
import android.media.MediaPlayer; 
import android.os.Bundle; 
import android.view.SurfaceHolder; 
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 { 
    String path = "/sdcard/qtfy01.3gp"; 
    Button play_btn, pause_btn; 
    boolean isPause = false; 
    SurfaceHolder surfaceHolder; 
    MediaPlayer mediaPlayer; 
    SurfaceView surfaceView; 
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.main); 
        play_btn = (Button) findViewById(R.id.play_btn); 
        play_btn.setOnClickListener(video_listener); 
        pause_btn = (Button) findViewById(R.id.pause_btn); 
        pause_btn.setOnClickListener(video_listener); 
        getWindow().setFormat(PixelFormat.UNKNOWN); 
        surfaceView = (SurfaceView) findViewById(R.id.surfaceView); 
        surfaceHolder = surfaceView.getHolder(); 
        surfaceHolder.addCallback(this);  
        surfaceHolder.setFixedSize(176, 144); 
        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 
        mediaPlayer = new MediaPlayer(); 
    } 
 
    private OnClickListener video_listener = new OnClickListener() { 
        @Override
        public void onClick(View v) { 
            switch (v.getId()) { 
            case R.id.play_btn: 
                isPause = false; 
                playVideo(path);