Show original image size on Glide4.

GradleSampleCode.java

GlideApp.with(imageView.getContext())
        .load(url)
        .into(new SimpleTarget<Drawable>() {
            @Override
            public void onResourceReady(Drawable resource, Transition<? super Drawable> transition) {
                if (resource instanceof BitmapDrawable) {
                    int width = ((BitmapDrawable) resource).getBitmap().getWidth();
                    int height = ((BitmapDrawable) resource).getBitmap().getHeight();
                    ViewGroup.LayoutParams layoutParams = imageView.getLayoutParams();
                    layoutParams.width = width;
                    layoutParams.height = height;
                    imageView.setLayoutParams(layoutParams);
                }
                imageView.setImageDrawable(resource);
            }
        });