[Android] TV: Fix alpha sorting

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Tue Jan 29 12:12:51 2019 +0100| [5b9e9e606af71e10c675fd890700fb53a0c90c65] | committer: Geoffrey Métais

TV: Fix alpha sorting

> https://code.videolan.org/videolan/vlc-android/commit/5b9e9e606af71e10c675fd890700fb53a0c90c65
---

 vlc-android/src/org/videolan/vlc/util/ModelsHelper.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/vlc-android/src/org/videolan/vlc/util/ModelsHelper.kt b/vlc-android/src/org/videolan/vlc/util/ModelsHelper.kt
index 8022904c3..fe9665fc5 100644
--- a/vlc-android/src/org/videolan/vlc/util/ModelsHelper.kt
+++ b/vlc-android/src/org/videolan/vlc/util/ModelsHelper.kt
@@ -97,7 +97,9 @@ object ModelsHelper {
                 }
             }
         }
-        array
+        if (sort == Medialibrary.SORT_DEFAULT || sort == Medialibrary.SORT_FILENAME || sort == Medialibrary.SORT_ALPHA)
+            array.toSortedMap()
+        else array
     }
 
     fun getHeader(context: Context, sort: Int, item: MediaLibraryItem, aboveItem: MediaLibraryItem?) = when (sort) {