imageView.viewTreeObserver.addOnGlobalLayoutListener {
    Glide.with(this)
            .load(TargetActivity.IMAGE_URL)
            .into(object : CustomTarget<Drawable>(imageView.width, 1) {
                // imageView width is 1080, height is set to wrap_content
                override fun onLoadCleared(placeholder: Drawable?) {
                    // clear resources
                }

                override fun onResourceReady(resource: Drawable, transition: Transition<in Drawable>?) {
                    // bitmap will have size 1080 x 805 (original: 1571 x 1171)
                    imageView.setImageDrawable(resource)
                }
            })
}