FabCorrections.java

	public void setIconDrawable(@NonNull Drawable iconDrawable) {
		if (mIconDrawable != iconDrawable) {
			mIcon = 0;

			Bitmap bitmap = Bitmap.createBitmap(iconDrawable.getIntrinsicWidth(), iconDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
			Canvas canvas = new Canvas(bitmap);
			iconDrawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
			iconDrawable.draw(canvas);
			mIconDrawable = new BitmapDrawable(getResources(), bitmap);
			updateBackground();
		}
	}