fix directory sorting

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

@@ -48,6 +48,7 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
     private var mIsGettingDirs = false
     private var mStoredAnimateGifs = true
     private var mStoredCropThumbnails = true
+    private var mLoadedInitialPhotos = false
 
     private var mCurrAsyncTask: GetDirectoriesAsynctask? = null
 
@@ -165,11 +166,13 @@ class MainActivity : SimpleActivity(), DirectoryAdapter.DirOperationsListener {
         val dirs = Gson().fromJson<ArrayList<Directory>>(config.directories, token) ?: ArrayList<Directory>(1)
         if (dirs.size == 0) {
             directories_refresh_layout.isRefreshing = true
-        } else {
+        } else if (!mLoadedInitialPhotos) {
+            mLoadedInitialPhotos = true
             gotDirectories(dirs)
             return
         }
 
+        mLoadedInitialPhotos = true
         mCurrAsyncTask = GetDirectoriesAsynctask(applicationContext, mIsPickVideoIntent || mIsGetVideoContentIntent, mIsPickImageIntent || mIsGetImageContentIntent) {
             gotDirectories(it)
         }

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

@@ -217,18 +217,17 @@ class MediaActivity : SimpleActivity(), MediaAdapter.MediaOperationsListener {
             return
 
         mIsGettingMedia = true
-        mLoadedInitialPhotos = true
         val token = object : TypeToken<List<Medium>>() {}.type
         val media = Gson().fromJson<ArrayList<Medium>>(config.loadFolderMedia(mPath), token) ?: ArrayList<Medium>(1)
         if (media.size == 0) {
             media_refresh_layout.isRefreshing = true
-        } else {
-            if (!mLoadedInitialPhotos) {
-                gotMedia(media)
-                return
-            }
+        } else if (!mLoadedInitialPhotos) {
+            mLoadedInitialPhotos = true
+            gotMedia(media)
+            return
         }
 
+        mLoadedInitialPhotos = true
         mCurrAsyncTask = GetMediaAsynctask(applicationContext, mPath, mIsGetVideoIntent, mIsGetImageIntent, mShowAll) {
             gotMedia(it)
         }

app/src/main/kotlin/com/simplemobiletools/gallery/models/Directory.kt

@@ -9,7 +9,7 @@ import java.io.Serializable
 data class Directory(val path: String, val thumbnail: String, val name: String, var mediaCnt: Int, val date_modified: Long, val date_taken: Long,
                      var size: Long) : Serializable, Comparable<Directory> {
     companion object {
-        private val serialVersionUID = -6553649863575455L
+        private val serialVersionUID = -6553345863575455L
         var sorting: Int = 0
     }