title: android Glide resource is ready but image not showing
body: <p>use glide to load image on a recyclerview imageview item. impelemented glide listeners i realized that image resource is ready, but image not showing in imageview. when i add imageview.setDrawable(resource) inside glide listener onResourceRady ,then image shows up but in normal not showing here is my code i appreciate any help.</p>
  <pre><code>GlideApp
          .with(this.myContext)
          .load(item.add)
          .listener(object : RequestListener&lt;Drawable&gt; {
              override fun onLoadFailed(
                  e: GlideException?,
                  model: Any?,
                  target: Target&lt;Drawable&gt;?,
                  isFirstResource: Boolean
              ): Boolean {
                  myContext.toast(&quot;error:\n ${e?.causes}&quot;)
                  return true
              }
  
              override fun onResourceReady(
                  resource: Drawable?,
                  model: Any?,
                  target: Target&lt;Drawable&gt;?,
                  dataSource: DataSource?,
                  isFirstResource: Boolean
              ): Boolean {
                  myContext.toast(&quot;resource ready&quot;)
  </code></pre>
  <p>//                    holder.img.setImageDrawable(resource)
  return true
  }
  })
  .error(R.drawable.neterror)
  .into(holder.img)
  }</p>