Saving imageview's drawable to gallery after it was loaded using Glide

[japer...@gmail.com]

Hi,

I've got some trouble regarding the saving of an image to the user's gallery. Reason is that it says it can not cast GlideBitmapDrawable to BitmapDrawable. Code:

                Bitmap bmp = ((BitmapDrawable)imgDisplay.getDrawable()).getBitmap();

                MediaStore.Images.Media.insertImage(_activity.getContentResolver(),

                        bmp, "Titel" , "Beschrijving");

Thanks in advance,

Jasper

[Róbert Papp]

It's simple, GlideBitmapDrawable is not a BitmapDrawable:

https://github.com/bumptech/glide/blob/v3.5.2/library/src/main/java/com/bumptech/glide/load/resource/bitmap/GlideBitmapDrawable.java#L19

But it has a getBitmap() method, so if you really want to access the bitmap this way:

Bitmap bmp = ((GlideBitmapDrawable)imgDisplay.getDrawable()).getBitmap();

However I wouldn't recommend that, you can get the Bitmap in many waysin Glide, here's one (I let you extract classes/methods as you see fit):

//noinspection unchecked
new AsyncTask<FutureTarget<Bitmap>, Void, Bitmap>() {
   @Override protected Bitmap doInBackground(FutureTarget<Bitmap>... params) {
      try {
         return params[0].get(); // get needs to be called on background thread
      } catch (Exception ex) {
         return null;
      }
   }
   @Override protected void onPostExecute(Bitmap bitmap) {
      if(bitmap == null) return;
      MediaStore.Images.Media.insertImage(getContentResolver(), bitmap, "Titel", "Beschrijving");
   }
}.execute(Glide.with(this).load(url).asBitmap().into(width, height)); // into needs to be called on main thread

The above compiles, but not tested, however based on my knowledge I don't see why it wouldn't work.

+Robi

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[japer...@gmail.com]

Awesome, thanks a lot Róbert!