Fix iOS 11/Xcode 9 enclosing UITableView issue

This fixes the issue in zoonooz#76 The tableview(or scrollview) not accepting touch event for iOS 11. Caused by the new introduction of safeAreaInsets in iOS11.
wzzhu · Sep 24, 2017 · a82d98b · a82d98b
1 parent 0d6a463
commit a82d98b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/ZFDragableModalTransition/ZFModalTransitionAnimator.m b/ZFDragableModalTransition/ZFModalTransitionAnimator.m
@@ -543,6 +543,13 @@ - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
     }
 
     CGFloat topVerticalOffset = -self.scrollview.contentInset.top;
+    // @available is for Xcode 9+. Can remove this if statement if not using
+    // Xcode 9+.
+    if (@available(iOS 11, *)) {
+      if ([self.scrollview respondsToSelector:@selector(safeAreaInsets)]) {
+        topVerticalOffset -= self.scrollview.safeAreaInsets.top;
+      }
+    }
 
     if ((fabs(velocity.x) < fabs(velocity.y)) && (nowPoint.y > prevPoint.y) && (self.scrollview.contentOffset.y <= topVerticalOffset)) {
         self.isFail = @NO;