[Android] Fix PlaylistActivity UninitializedPropertyAccessException

[Nicolas Pomepuy]

vlc-android | branch: 3.3.x | Nicolas Pomepuy <nicolas at videolabs.io> | Fri Nov 13 06:03:41 2020 +0000| [a767f3d8248615a4a15719fe01a69406ffd8a996] | committer: Nicolas Pomepuy

Fix PlaylistActivity UninitializedPropertyAccessException


(cherry picked from commit abb536d861851db0f71829f1629053f4bb009340)

> https://code.videolan.org/videolan/vlc-android/commit/a767f3d8248615a4a15719fe01a69406ffd8a996
---

 application/vlc-android/src/org/videolan/vlc/gui/PlaylistActivity.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/application/vlc-android/src/org/videolan/vlc/gui/PlaylistActivity.kt b/application/vlc-android/src/org/videolan/vlc/gui/PlaylistActivity.kt
index d1e7c9b6e..e20570c95 100644
--- a/application/vlc-android/src/org/videolan/vlc/gui/PlaylistActivity.kt
+++ b/application/vlc-android/src/org/videolan/vlc/gui/PlaylistActivity.kt
@@ -116,7 +116,7 @@ open class PlaylistActivity : AudioPlayerContainerActivity(), IEventsHandler<Med
             @Suppress("UNCHECKED_CAST")
             (tracks as? PagedList<MediaLibraryItem>)?.let { audioBrowserAdapter.submitList(it) }
             menu.let { UiTools.updateSortTitles(it, viewModel.tracksProvider) }
-            itemTouchHelperCallback.swipeEnabled = true
+            if (::itemTouchHelperCallback.isInitialized) itemTouchHelperCallback.swipeEnabled = true
         })
 
         viewModel.tracksProvider.liveHeaders.observe(this, {