[ios] Check for valid superview to avoid crash on iOS 9

mapbox · Apr 26, 2019 · 8fb4c2b · 8fb4c2b
1 parent 8f5e1ba
commit 8fb4c2b
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm
@@ -1377,7 +1377,10 @@ - (void)didMoveToWindow
 - (void)didMoveToSuperview
 {
     [self validateDisplayLink];
-    [self installConstraints];
+    if (self.superview)
+    {
+        [self installConstraints];
+    }
     [super didMoveToSuperview];
 }