stop loading images on pause

app/src/main/kotlin/com/simplemobiletools/gallery/activities/MainActivity.kt

@@ -102,6 +102,8 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
         super.onPause()
         mCurrAsyncTask?.shouldStop = true
         storeDirectories()
+        directories_holder.isRefreshing = false
+        mIsGettingDirs = false
     }
 
     override fun onDestroy() {

app/src/main/kotlin/com/simplemobiletools/gallery/activities/MediaActivity.kt

@@ -69,6 +69,8 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
     override fun onPause() {
         super.onPause()
         mCurrAsyncTask?.shouldStop = true
+        mIsGettingMedia = false
+        media_holder.isRefreshing = false
     }
 
     private fun tryloadGallery() {