Fixed iOS 8 crash

abdussamad0 · Apr 15, 2016 · 2e4812a · 2e4812a
1 parent 9bccd77
commit 2e4812a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Chatto/Source/ChatController/Collaborators/KeyboardTracker.swift b/Chatto/Source/ChatController/Collaborators/KeyboardTracker.swift
@@ -125,15 +125,19 @@ class KeyboardTracker {
         return max(0, self.view.bounds.height - trackingViewRect.maxY)
     }
 
+    var ios8WorkaroundIsInProgress = false
     func layoutTrackingViewIfNeeded() {
         guard self.isTracking && self.keyboardStatus == .Shown else { return }
         self.adjustTrackingViewSizeIfNeeded()
         if #available(iOS 9, *) {
             // Working fine on iOS 9
         } else {
             // Workaround for iOS 8
+            guard !self.ios8WorkaroundIsInProgress else { return }
+            self.ios8WorkaroundIsInProgress = true
             self.trackingView.window?.setNeedsLayout()
             self.trackingView.window?.layoutIfNeeded()
+            self.ios8WorkaroundIsInProgress = false
         }
     }