Bitmap <-> BitmapDrawable

Bitmap -> Drawable

Bitmap bitmap = new Bitmap (...);

Drawable drawable = new BitmapDrawable(bitmap);


Drawable -> Bitmap

Bitmap bitmap = Bitmap.createBitmap(width, height, true); 
Drawable iconDrawable = 
packageManager.getActivityIcon(resolveInfo.activityInfo); 
Canvas canvas = new Canvas(bitmap); 

drawable.setBounds(0, 0, width, height); 
drawable.draw(canvas); 

에러날때는 아래를 참조

http://blog.vizpei.kr/105116344