uinavigationbar

问题 How can i make a Navigation Bar at the top of my application? I would like something like the top bar in the photo: link text 回答1: This question is pretty similar, and might be what you're looking for: Android / layout: how to create a header-content layout. As far as creating the header, simply create a RelativeLayout with two Buttons : one attached to the parent's left and one to the parent's right. 回答2: if you want to make a customized header place this code in your application tag in

问题 I created one title for navigationbar in my storyboard project ,but when I moved to next viewcontroller the back button shows the same name as my previous navigationbar(Main navigationbar) title.? Can i set separate title and back button names? I tried following code but its not working ? why? self.navigationItem.title=@"Recent Books"; self.navigationItem.backBarButtonItem.title=@"Back"; 回答1: According to UINavigationItem Class Reference "When this navigation item is immediately below the top

问题 I want to display, above any other views, even the navigation bar, a kind of "pop-up" view that looks like this: full screen black background with a 0.5 alpha to see the other UIViewController underneath. a UIView window in the middle with some information, (a calendar if you want to know everything). To do that, I've created a UIViewController that contains the two UIViews (background and window), and I'm trying to display it. I've tried a simple [mySuperVC addSubview:myPopUpVC.view] , but I

问题 I want to display, above any other views, even the navigation bar, a kind of "pop-up" view that looks like this: full screen black background with a 0.5 alpha to see the other UIViewController underneath. a UIView window in the middle with some information, (a calendar if you want to know everything). To do that, I've created a UIViewController that contains the two UIViews (background and window), and I'm trying to display it. I've tried a simple [mySuperVC addSubview:myPopUpVC.view] , but I

问题 I want to display, above any other views, even the navigation bar, a kind of "pop-up" view that looks like this: full screen black background with a 0.5 alpha to see the other UIViewController underneath. a UIView window in the middle with some information, (a calendar if you want to know everything). To do that, I've created a UIViewController that contains the two UIViews (background and window), and I'm trying to display it. I've tried a simple [mySuperVC addSubview:myPopUpVC.view] , but I

问题 Does anyone know how can I use my custom subclass of UINavigationBar if I instantiate UINavigationController programmatically (without IB)? Drag a UINavigationController in IB show me an under Navigation Bar and using Identity Inspectory I can change class type and set my own subclass of UINavigationBar but programmatically I can't, navigationBar property of Navigation Controller is readonly... What should I do to customize the navigation bar programmatically? Is IB more "powerful" than "code

问题 I added a UINavigationController to my UIViewController programmatically like following: UINavigationController * nc = [[UINavigationController alloc] initWithRootViewController:[ViewController fromStoryboardNamed:@"myVC"]]; and in the debug view hierarchy I see there is a view called UIBackdropView behind the UINavigationBar with gray color background. You can see that in the screenshot: I tried to find it in the Documentation,but I couldn't find any. Can we access this layer? This causes a

问题 I am using PageMenu in my project within a TabBar Controller and a Navigation Controller. When I initialize the "Scrolling menu" I use this to display it under the statusBar and the navigation bar : pageMenu = CAPSPageMenu(viewControllers: controllerArray, frame: CGRectMake(0, UIApplication.sharedApplication().statusBarFrame.size.height + self.navigationController!.navigationBar.frame.height, self.view.frame.width, self.view.frame.height), options: parameters) This solution is working

问题 I am using PageMenu in my project within a TabBar Controller and a Navigation Controller. When I initialize the "Scrolling menu" I use this to display it under the statusBar and the navigation bar : pageMenu = CAPSPageMenu(viewControllers: controllerArray, frame: CGRectMake(0, UIApplication.sharedApplication().statusBarFrame.size.height + self.navigationController!.navigationBar.frame.height, self.view.frame.width, self.view.frame.height), options: parameters) This solution is working

问题 I am having trouble using navigationItem.searchController in iOS 13. The search bar of the search controller is initially closed, but it won't collapse back after I scroll the table view. It 'bounces' back when I try to hide the bar. Also, the navigation bar turns white after the search bar appears. (The navigation bar has a custom tint color; see the attached screenshots.) Note that this wasn't the case in iOS < 13. Is this a bug in iOS 13? If it is, is there a work around to keep the tint