[iphonex] [ios] Fixed crash.

This commit is contained in:
Ilya Grechuhin 2017-12-27 14:03:56 +03:00 committed by Roman Kuznetsov
parent ba533a385f
commit f85dda6dde

View file

@ -33,8 +33,10 @@
- (void)setIsVisible:(BOOL)isVisible
{
self.verticalConstraint.active = NO;
auto sv = self.superview;
if (!sv)
return;
self.verticalConstraint.active = NO;
NSLayoutYAxisAnchor * topAnchor = sv.topAnchor;
NSLayoutYAxisAnchor * selfAnchor = isVisible ? self.topAnchor : self.bottomAnchor;
CGFloat constant = 0;