title: How to find bitmap created from canvas is empty or not
body: <pre><code>Bitmap bitmap = Bitmap.createBitmap(canvasLL.getawidth(), canvasLL.getHeight(), Bitmap.Config.RGB_5);
  Canvas canvas = new Canvas(bitmap)
  View.draw(canvas);
  </code></pre>
  
  <p>This how i had create a bitmap using the things draw on canvas. But i want to check that if something draw or not on the canvas. Any help will be really appreciated.</p>