val normalUriString = "https://www.google.com.hk/logos/doodles/2020/stay-and-play-at-home-with-popular-past-google-doodles-halloween-2016-6753651837108773-s.png"
val 404UriString = "https://www.google.com.hk/404"

vImage.controller = Fresco.newDraweeControllerBuilder()
     .setLowResImageRequest(ImageRequest.fromUri(Uri.parse(normalUriString)))
     .setImageRequest(ImageRequest.fromUri(Uri.parse(404UriString)))
     .setControllerListener(object : BaseControllerListener<ImageInfo>() {
         override fun onFailure(id: String?, throwable: Throwable?) {
             Log.e("TAG", "onFailure")
         }

         override fun onIntermediateImageSet(id: String?, imageInfo: ImageInfo?) {
             Log.e("TAG", "onIntermediateImageSet")
         }

         override fun onFinalImageSet(id: String?, imageInfo: ImageInfo?, animatable: Animatable?) {
             Log.e("TAG", "onFinalImageSet")
         }
     })
     .setOldController(vImage.controller)
     .build()

fun clearCache() {
     Fresco.getImagePipeline().clearCaches()
}

E/TAG: onIntermediateImageSet
E/TAG: onFailure

E/TAG: onFinalImageSet