How to use

DrawableImageViewTarget

in

com.bumptech.glide.request.target

 @NonNull
 @SuppressWarnings("unchecked")
 public <Z> ViewTarget<ImageView, Z> buildTarget(@NonNull ImageView view,
   @NonNull Class<Z> clazz) {
  if (Bitmap.class.equals(clazz)) {
   return (ViewTarget<ImageView, Z>) new BitmapImageViewTarget(view);
  } else if (Drawable.class.isAssignableFrom(clazz)) {
   return (ViewTarget<ImageView, Z>) new DrawableImageViewTarget(view);
  } else {
   throw new IllegalArgumentException(
     "Unhandled class: " + clazz + ", try .as*(Class).transcode(ResourceTranscoder)");
  }
 }
}

  @Override
  public void onResourceReady(@NonNull Drawable resource, @Nullable Transition<? super Drawable> transition) {
    getView().setBackgroundResource(0);
    getView().setScaleType(ImageView.ScaleType.CENTER_CROP);
    super.onResourceReady(resource, transition);
  }
}

@Override
public void onLoadFailed(@Nullable Drawable errorDrawable) {
  setBackground();
  getView().setScaleType(ImageView.ScaleType.FIT_CENTER);
  super.onLoadFailed(errorDrawable);
}

@Override
public void onLoadStarted(Drawable placeholder) {
  super.onLoadStarted(placeholder);
}

  @Override
  public void onResourceReady(@NonNull Drawable resource, @Nullable Transition<? super Drawable> transition) {
    OnProgressListener onProgressListener = ProgressManager.getProgressListener(getUrl());
    if (onProgressListener != null) {
      onProgressListener.onProgress(true, 100, 0, 0);
      ProgressManager.removeListener(getUrl());
    }
    super.onResourceReady(resource, transition);
  }
}

@Override
public void onLoadFailed(@Nullable Drawable errorDrawable) {
  OnProgressListener onProgressListener = ProgressManager.getProgressListener(getUrl());
  if (onProgressListener != null) {
    onProgressListener.onProgress(true, 100, 0, 0);
    ProgressManager.removeListener(getUrl());
  }
  super.onLoadFailed(errorDrawable);
}

@Override
public void onLoadStarted(Drawable placeholder) {
  setBackground();
  getView().setScaleType(ImageView.ScaleType.FIT_CENTER);
  super.onLoadStarted(placeholder);
}

public void loadOnMainThread(
  final RequestBuilder<Drawable> builder, ImageView imageView) {
 loadOnMainThread(builder, new DrawableImageViewTarget(imageView));
}

public void loadUntilFirstFinish(
  final RequestBuilder<Drawable> builder, ImageView imageView) {
 loadUntilFirstFinish(builder, new DrawableImageViewTarget(imageView));
}

  @SuppressWarnings("unchecked")
  public <Z> Target<Z> buildTarget(ImageView view, Class<Z> clazz) {
    if (GlideDrawable.class.isAssignableFrom(clazz)) {
      return (Target<Z>) new GlideDrawableImageViewTarget(view);
    } else if (Bitmap.class.equals(clazz)) {
      return (Target<Z>) new BitmapImageViewTarget(view);
    } else if (Drawable.class.isAssignableFrom(clazz)) {
      return (Target<Z>) new DrawableImageViewTarget(view);
    } else {
      throw new IllegalArgumentException("Unhandled class: " + clazz
          + ", try .as*(Class).transcode(ResourceTranscoder)");
    }
  }
}

 @SuppressWarnings("unchecked")
 public <Z> Target<Z> buildTarget(ImageView view, Class<Z> clazz) {
  if (Bitmap.class.equals(clazz)) {
   return (Target<Z>) new BitmapImageViewTarget(view);
  } else if (Drawable.class.isAssignableFrom(clazz)) {
   return (Target<Z>) new DrawableImageViewTarget(view);
  } else {
   throw new IllegalArgumentException(
     "Unhandled class: " + clazz + ", try .as*(Class).transcode(ResourceTranscoder)");
  }
 }
}