Fix AssetsViewController not scrolling to bottom

NSHaoSong · Apr 15, 2016 · 20c198a · 20c198a
1 parent 49b7c6c
commit 20c198a
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/QBImagePicker/QBAssetsViewController.m b/QBImagePicker/QBAssetsViewController.m
@@ -105,8 +105,10 @@ - (void)viewWillAppear:(BOOL)animated
 
     // Scroll to bottom
     if (self.fetchResult.count > 0 && self.isMovingToParentViewController && !self.disableScrollToBottom) {
-        NSIndexPath *indexPath = [NSIndexPath indexPathForItem:(self.fetchResult.count - 1) inSection:0];
-        [self.collectionView scrollToItemAtIndexPath:indexPath atScrollPosition:UICollectionViewScrollPositionTop animated:NO];
+        dispatch_async(dispatch_get_main_queue(), ^{
+            NSIndexPath *indexPath = [NSIndexPath indexPathForItem:(self.fetchResult.count - 1) inSection:0];
+            [self.collectionView scrollToItemAtIndexPath:indexPath atScrollPosition:UICollectionViewScrollPositionTop animated:NO];
+        });
     }
 }