viewdidappear_开发者

performSelector:withObject:afterDelay in viewDidAppear is not working when app launches

I have to move some code from viewDidAppear to a new selector to fire after 0.1f seconds. So I have done something like:[详细]

2023-04-05 11:25 分类：问答

ViewDidAppear is not called in tab bar based app

I have a problem. I am working on an app which is tab bar based app. In this app, we call [self.view addSubview:newVC.view] when we want to navigate to a new view. newVC is the view controller of th开[详细]

2023-04-04 23:23 分类：问答

UIWebView: where to load request in tab screen? viewDidLoad or viewDidAppear?

I have a tab bar controller, one tab screen contains a web view, loading a request say google.com, when it is loading(ie before the didload delegate method call of webview), if I switch to another tab[详细]

2023-03-28 15:23 分类：问答

iOS - viewDidAppear: delayed when showing a UITableView

I\'m having a weird problem. I have a Tab Bar application, in it I\'m using a Navigation Controller for each of the different tabs and each Navigation Controller has it\'s own View Controller to displ[详细]

2023-03-20 04:25 分类：问答

iOS different output whether running in simulator or on device

I yet again have a super weird problem. I get different outputs whether I\'m running the application on the simulator or on the iPhone.[详细]

2023-03-15 02:57 分类：问答

viewDidAppear called BEFORE it actually appears?

I know that this question sounds similar to this, but I am already aware of the work around. This is more of an analysis question.[详细]

2023-03-12 13:41 分类：问答

UIViewController resizing itself between viewWillAppear and viewDidAppear?

I\'ve got a really strange bug in my project. I\'ve got a UIScrollView as my main, big view.Inside of it, I have a UIViewController (not UITableViewController) which has a UITableView instance variabl[详细]

2023-03-03 23:54 分类：问答

iOS Root View Controller's viewDidAppear: called while splash screen (Default.png) still on screen

In my iOS app I want to run a series of operations in my Root View Controller after it has already appeared on the screen. However, it seems that the iOS app is calling viewDidAppear while the splash[详细]

2023-03-01 07:00 分类：问答

(iphone) How do I show activity indicator when there's heavy UI update?

I tried to show activity indicator while heavy UI update. My initial failed attempt was show activity indicator at view1[详细]

2023-02-27 21:04 分类：问答

Load data after viewDidLoad

I have a viewController that requires I load a whole series of images and display them on the screen, but loading those images in viewDidLoad takes a while and there is a delay before the view appears[详细]

2023-02-19 19:16 分类：问答