Fix for Scroll Animation

alvincrisuy · Nov 27, 2014 · fd7f27b · fd7f27b
1 parent 8f28bc5
commit fd7f27b
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Showing 2 changed files with 18 additions and 1 deletion.
diff --git a/JSQMessagesViewController/Controllers/JSQMessagesViewController.h b/JSQMessagesViewController/Controllers/JSQMessagesViewController.h
@@ -71,6 +71,14 @@
  */
 @property (assign, nonatomic) BOOL automaticallyScrollsToMostRecentMessage;
 
+/**
+ *  A boolean flag to disable the animation while scrolling to the latest message on entering the view
+ *  and later reset to allow scroll animation.
+ *
+ */
+
+@property (assign, nonatomic) BOOL disableScrollToBottomAnimationOnEntry;
+
 /**
  *  The collection view cell identifier to use for dequeuing outgoing message collection view cells 
  *  in the collectionView for text messages.

diff --git a/JSQMessagesViewController/Controllers/JSQMessagesViewController.m b/JSQMessagesViewController/Controllers/JSQMessagesViewController.m
@@ -136,6 +136,8 @@ - (void)jsq_configureMessagesViewController
 
     self.automaticallyScrollsToMostRecentMessage = YES;
 
+    self.disableScrollToBottomAnimationOnEntry=YES;
+
     self.outgoingCellIdentifier = [JSQMessagesCollectionViewCellOutgoing cellReuseIdentifier];
     self.outgoingMediaCellIdentifier = [JSQMessagesCollectionViewCellOutgoing mediaCellReuseIdentifier];
 
@@ -337,7 +339,14 @@ - (void)finishReceivingMessage
     [self.collectionView reloadData];
 
     if (self.automaticallyScrollsToMostRecentMessage && ![self jsq_isMenuVisible]) {
-        [self scrollToBottomAnimated:YES];
+        if(self.disableScrollToBottomAnimationOnEntry){
+            [self scrollToBottomAnimated:NO];
+            self.disableScrollToBottomAnimationOnEntry=NO;
+        }
+        else{
+            [self scrollToBottomAnimated:YES];
+        }
+
     }
 }