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Fix for navigation bar when scaling UINavigationController's view in iOS 11 #308

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Fix for navigation bar when scaling UINavigationController's view in iOS 11 #308

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23 changes: 23 additions & 0 deletions RESideMenu/RESideMenu.m
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Original file line number Diff line number Diff line change
Expand Up @@ -285,6 +285,7 @@ - (void)showLeftMenuViewController
[UIView animateWithDuration:self.animationDuration animations:^{
if (self.scaleContentView) {
self.contentViewContainer.transform = CGAffineTransformMakeScale(self.contentViewScaleValue, self.contentViewScaleValue);
[self updateContentViewAdditionalSafeAreaInsets];
} else {
self.contentViewContainer.transform = CGAffineTransformIdentity;
}
Expand Down Expand Up @@ -333,6 +334,7 @@ - (void)showRightMenuViewController
[UIView animateWithDuration:self.animationDuration animations:^{
if (self.scaleContentView) {
self.contentViewContainer.transform = CGAffineTransformMakeScale(self.contentViewScaleValue, self.contentViewScaleValue);
[self updateContentViewAdditionalSafeAreaInsets];
} else {
self.contentViewContainer.transform = CGAffineTransformIdentity;
}
Expand Down Expand Up @@ -388,6 +390,7 @@ - (void)hideMenuViewControllerAnimated:(BOOL)animated
}
strongSelf.contentViewContainer.transform = CGAffineTransformIdentity;
strongSelf.contentViewContainer.frame = strongSelf.view.bounds;
[self updateContentViewAdditionalSafeAreaInsets];
if (strongSelf.scaleMenuView) {
strongSelf.menuViewContainer.transform = strongSelf.menuViewControllerTransformation;
}
Expand Down Expand Up @@ -474,6 +477,21 @@ - (void)resetContentViewScale
self.contentViewContainer.frame = frame;
}

- (void)updateContentViewAdditionalSafeAreaInsets
{
if (@available(iOS 11.0, *)) {
UIEdgeInsets insets = self.contentViewController.additionalSafeAreaInsets;
insets.top = CGRectGetMinY(self.contentViewContainer.frame);
CGFloat topSafeArea = CGRectGetMinY(self.view.safeAreaLayoutGuide.layoutFrame);
if (insets.top > topSafeArea) {
insets.top = topSafeArea;
} else if (insets.top < 0.0) {
insets.top = 0.0;
}
self.contentViewController.additionalSafeAreaInsets = insets;
}
}

#pragma mark -
#pragma mark iOS 7 Motion Effects (Private)

Expand Down Expand Up @@ -649,9 +667,11 @@ - (void)panGestureRecognized:(UIPanGestureRecognizer *)recognizer
CGFloat oppositeScale = (1 - (contentViewScale - 1));
self.contentViewContainer.transform = CGAffineTransformMakeScale(oppositeScale, oppositeScale);
self.contentViewContainer.transform = CGAffineTransformTranslate(self.contentViewContainer.transform, point.x, 0);
[self updateContentViewAdditionalSafeAreaInsets];
} else {
self.contentViewContainer.transform = CGAffineTransformMakeScale(contentViewScale, contentViewScale);
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@gastonmorixe gastonmorixe Apr 3, 2018

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I have found that scaling layer.transform instead of view.transform does not cause this bug

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@stonexing stonexing Jun 19, 2020

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Great job! Thanks

self.contentViewContainer.transform = CGAffineTransformTranslate(self.contentViewContainer.transform, point.x, 0);
[self updateContentViewAdditionalSafeAreaInsets];
}

self.leftMenuViewController.view.hidden = self.contentViewContainer.frame.origin.x < 0;
Expand All @@ -660,11 +680,13 @@ - (void)panGestureRecognized:(UIPanGestureRecognizer *)recognizer
if (!self.leftMenuViewController && self.contentViewContainer.frame.origin.x > 0) {
self.contentViewContainer.transform = CGAffineTransformIdentity;
self.contentViewContainer.frame = self.view.bounds;
[self updateContentViewAdditionalSafeAreaInsets];
self.visible = NO;
self.leftMenuVisible = NO;
} else if (!self.rightMenuViewController && self.contentViewContainer.frame.origin.x < 0) {
self.contentViewContainer.transform = CGAffineTransformIdentity;
self.contentViewContainer.frame = self.view.bounds;
[self updateContentViewAdditionalSafeAreaInsets];
self.visible = NO;
self.rightMenuVisible = NO;
}
Expand Down Expand Up @@ -791,6 +813,7 @@ - (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInte

if (self.scaleContentView) {
self.contentViewContainer.transform = CGAffineTransformMakeScale(self.contentViewScaleValue, self.contentViewScaleValue);
[self updateContentViewAdditionalSafeAreaInsets];
} else {
self.contentViewContainer.transform = CGAffineTransformIdentity;
}
Expand Down