Android视频录制

public class MainActivity extends Activity {

    private MediaRecorder videoRecorder=null;
    private Button recorder=null;
    private Button stop=null;
    private SurfaceView surface=null;
    @SuppressWarnings("deprecation")
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);//设置屏幕横向全屏显示
        setContentView(R.layout.main);
        videoRecorder=new MediaRecorder();
        surface=(SurfaceView) this.findViewById(R.id.surface);
        recorder=(Button) this.findViewById(R.id.recorder);
        stop=(Button) this.findViewById(R.id.stop);
        surface.getHolder().setKeepScreenOn(true);
        surface.getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        surface.getHolder().setFixedSize(320, 240);
        
    }
    public void RecordVideo(View v)
    {
        switch (v.getId()) {
        case R.id.recorder:
            
            stop.setEnabled(true);
            recorder.setEnabled(false);
            try {
                videoRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);//设置音频的来源
                videoRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);    //设置视频的来源
                videoRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);//设置视频的输出格式3gp
                videoRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);//设音频的解码方式
                videoRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);//设视频的解码方式
                videoRecorder.setVideoFrameRate(5);//设置每秒捕获画面的个数
                videoRecorder.setVideoSize(480, 320);//设置视频的大小
                File f=new File(Environment.getExternalStorageDirectory().getAbsolutePath(),System.currentTimeMillis()+".3gp");
                videoRecorder.setOutputFile(f.getAbsolutePath());//设置保存的路径
                videoRecorder.setPreviewDisplay(surface.getHolder().getSurface());//吧捕获的画面显示到surfaceView控件中
                videoRecorder.prepare();
                videoRecorder.start();
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } 
            
            break;
        case R.id.stop:
            stop.setEnabled(false);
            recorder.setEnabled(true);
            if(videoRecorder!=null)
            {
                videoRecorder.stop();
                videoRecorder.release();
                videoRecorder=null;
            }
            break;
        }
    }
    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if(event.getAction()==MotionEvent.ACTION_DOWN)
        {
             this.findViewById(R.id.btnLayout).setVisibility(View.VISIBLE);
        }
        return super.onTouchEvent(event);
    }

    @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;
    }

}

注意：activity设置好之后必须在Mainfest.xml文件中配置权限
80     <uses-permission android:name="android.permission.CAMERA"/>
81     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
82     <uses-permission android:name="android.permission.RECORD_AUDIO"/>
83     <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>