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POMaster-Details SplitViewController Custom UINavigationBar
 

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  1. POMaster-Details SplitViewController Custom UINavigationBar
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    <p>I have a Master-Details project setup and running in XCode with no problems at all and everything works fine. However, when I attempt to round the top right and left corners of the NavigationBar it has a very strange effect. It basically, offsets the 'touch' response of the 'back' left button on the details view.</p> <p>The button still works, but it seems that the iPhone can only pick up the user's touch when they click just below the NavigationBar and not the button itself.</p> <p>The code I have is:</p> <pre><code>// Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect { UIColor *color = [UIColor darkGrayColor]; UIImage *img = [UIImage imageNamed:@"nav-bar"]; [img drawInRect:CGRectMake(0, 0, self.frame.size.width, self.frame.size.height)]; self.tintColor = color; // Create mask to round corners CGRect bounds = CGRectMake(0, 0, self.frame.size.width, self.frame.size.height); UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:bounds byRoundingCorners:(UIRectCornerTopLeft | UIRectCornerTopRight) cornerRadii:CGSizeMake(10.0, 10.0)]; CAShapeLayer *maskLayer = [CAShapeLayer layer]; maskLayer.frame = bounds; maskLayer.path = maskPath.CGPath; // Apply mask to navigation bar [self.layer addSublayer:maskLayer]; self.layer.mask = maskLayer; // Apply logo to navigation bar UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"logo"]]; self.topItem.titleView = imageView; } </code></pre> <p>Here is a screen shot of what I mean, button only responses when I touch where the arrow is pointing:</p> <p><img src="https://i.stack.imgur.com/lXtUK.png" alt="Touch Point"></p> <p>--- UPDATE ---</p> <p>After some testing I've worked out the problem is with the 'self.layer.mask = maskLayer' line. I have refactored the code and tested in another project that just uses xib files and not story boards, and dont have any problems, but its still not working in the current project.</p> <pre><code>CGRect bounds = CGRectMake(0, 0, navigationController.navigationBar.bounds.size.width, navigationController.navigationBar.bounds.size.height); UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:bounds byRoundingCorners:(UIRectCornerTopLeft | UIRectCornerTopRight) cornerRadii:CGSizeMake(10.0, 10.0)]; CAShapeLayer *maskLayer = [CAShapeLayer layer]; maskLayer.frame = bounds; maskLayer.path = maskPath.CGPath; // Apply mask to navigation bar //navigationController.navigationBar.layer.mask = maskLayer; [navigationController.navigationBar.layer addSublayer:maskLayer]; navigationController.navigationBar.layer.mask = maskLayer; </code></pre>
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    1. USDan
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    1. COI should point out, I have worked out its because of the 'mask'; because if I remove it I dont have any problems.
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      1. USDan
    2. COare u still doin the above update in the drawRect method? you can use directly navigationController.navigationBar.bounds instead of having a bounds local var
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      1. POMaster-Details SplitViewController Custom UINavigationBar
      1. UStiguero
    3. COalso if it works on the storyboard it should work too on the xib files. I prefer to work on the storyboard though over xib to visualize all the scenes
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