ListViewRemoteViewsFactory.kt

class ListViewRemoteViewsFactory(private val context: Context, private val intent: Intent?) : RemoteViewsService.RemoteViewsFactory{
    private var articleImages: List<Bitmap?> = ArrayList()
    
    ...

    private inner class LoadImagesTask : AsyncTask<List<NewsArticle>, Void, List<Bitmap?>>() {
        override fun doInBackground(vararg params: List<NewsArticle>): List<Bitmap?> {
            return params[0].map { article ->
                try {
                    Glide.with(context)
                        .asBitmap()
                        .load(article.urlToImage)
                        .submit(65, 65)
                        .get()
                } catch (e: Exception) {
                    e.printStackTrace()
                    Glide.with(context)
                        .asBitmap()
                        .load(R.drawable.ic_launcher)
                        .submit(65, 65)
                        .get()
                    null
                }
            }
        }

        override fun onPostExecute(result: List<Bitmap?>) {
            articleImages = result
            val appWidgetManager = AppWidgetManager.getInstance(context)
            val componentName = ComponentName(context, ListViewAppWidgetProvider::class.java)
            val appWidgetIds = appWidgetManager.getAppWidgetIds(componentName)
            appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.listview_app_widget)
        }
    }
}