How to make bitmap transparent?

Question

/**
 * @param bitmap
 *            The source bitmap.
 * @param opacity
 *            a value between 0 (completely transparent) and 255 (completely
 *            op         


        

Answer 1

@akaya's answer is the right way except that the constructor is deprecated. The new way since API 4 would be to use:

BitmapDrawable drawable = new BitmapDrawable(getResources(), bitmap);
drawable.setAlpha(100);