안드로이드 더블 버퍼링(double buffering) 프로그래밍

protected void onDraw(Canvas canvas){
Bitmap bitmap = Bitmap.createBitmap(canvas.getwidth(), canvas.getHeight, Bitmap.Config.ARG);
Canvas buffer = new Canvas(bitmap);

buffer.draw.....

canvas.drawBitmap(bitmap, 0, 0, null);
}