Android - ImageView: setImageBitmap VS setImageDrawable

Question

What is the difference between setImageBitmap and setImageDrawable?

I have an image which I would like to set dynamically from file. The tu

Answer 1

Actually, you may see the difference, if you sometimes use null as an argument:

imageView.setImageDrawable(null);
Drawable d = imageView.getDrawable(); // d == null

imageView.setImageBitmap(null);
Drawable d = imageView.getDrawable(); // d == some BitmapDrawable, != null

so if you are checking for existence of a drawable in ImageView, beware of it.