Drawable、Bitmap、byte[]其间的转换(转)

Drawable、Bitmap、byte[]之间的转换(转)
1、Drawable → Bitmap

BitmapDrawable bitmapDrawable = (BitmapDrawable)bitmap;     Drawable drawable = (Drawable)bitmapDrawable; Bitmap bitmap = new Bitmap (...);     Drawable drawable = new BitmapDrawable(bitmap);