Casting from RoundedBitmapDrawable to BitmapDrawable

Question

Everything worked well before starting using RoundedBitmapDrawable to round Bitmap's corners.

After starting using RoundedBitmapDrawable, I'm getting:

java.lang.ClassCastException: android.support.v4.graphics.drawable.RoundedBitmapDrawable21 cannot be cast to android.graphics.drawable.BitmapDrawable

Code:

BitmapDrawable bitmapDrawable = ((BitmapDrawable) imageView.getDrawable());

Found this which works, but still would rather use the simple casting suggested in this question above. ^^ http://stackoverflow.com/a/9390776/1525654 — Miko Diko, Apr 11 '15 at 11:36
if you need a Bitmap then the solution you found is the proper one. if you need your riunded drawable to draw something just use its draw() method — pskink, Apr 11 '15 at 11:51

score -3 · Answer 1 · answered Dec 02 '16 at 23:04

There is not a hierarchical link between these two types except that they share the same parent. Instead, you can check the type of drawable at runtime and cast accordingly,

if (imageView.getDrawable() instanceof android.support.v4.graphics.drawable.RoundedBitmapDrawable) {
    RoundedBitmapDrawable drawable = (RoundedBitmapDrawable) imageView.getDrawable();
    Bitmap roundedBitmap = drawable.getBitmap();
    // ...
}

Casting from RoundedBitmapDrawable to BitmapDrawable

1 Answers1