Camera camera = Camera.open();
	mediaRecorder.setCamera(camera);

	mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
	mediaRecorder.setPreviewDisplay(surfaceView.getHolder().getSurface());
	mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
	mediaRecorder.setVideoSize(size.width,size.height);

	mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
	final File file = new File(context.getFilesDir(), "video"+count+".mpg4");
	String filepath = file.getAbsolutePath();
	mediaRecorder.setOutputFile(filepath);

	camera.unlock();
	mediaRecorder.prepare();
	mediaRecorder.start();

        ...

	try {
		sleep(2000);
	} catch (InterruptedException e) {}

				
	mediaRecorder.stop();
	camera.stopPreview();