Android-界面-SurfaceView

private void doWithSurfaceView(){
    SurfaceView surfaceView = (SurfaceView)this.findViewById(R.id.surfaceView);
    surfaceView.getHolder().setFixedSize(176,144);
    surfaceView.getHolder().setKeepScreenOn(true);
    surfaceView.getHolder().addCallback(new SurfaceCallBack());

}
private final class SurfaceCallBack implements SurfaceHolder.Callback{

    @Override
    public void surfaceCreated(SurfaceHolder surfaceHolder) {
        camera = Camera.open();
        Camera.Parameters params = camera.getParameters();
        Log.i("Camera参数",params.flatten());
    }

    @Override
    public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) {

    }

    @Override
    public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
        if(camera!=null){
            camera.release();
        }
    }
}