Android Surfaceview Displays Blank When Locked Canvas Is Not Null

I'm creating a simple game using a view which extends a SurfaceView and using a thread to draw images on the SurfaceView. The game will have its own thread (game engine) to draw an

Solution 1:

I know this is an old post but just in case it helps someone out there.

I had this same problem, almost identical code to yours, and found that all I needed to do was call postInvalidate() from my overridden onDraw(Canvas canvas) method in my SurfaceView.

This is my code:

@Override
protected void onDraw(Canvas canvas)
{
   mPaperPlaneImage.draw(canvas);
   postInvalidate();
}

Solution 2:

You need to call onDraw(Canvas canvas) to render instead of your render() because onDraw works with hardware screen buffers. Check the second example How can I use the animation framework inside the canvas?