Top "Viewdidappear" questions

UIViewController instance method that notifies the view controller that its view was added to a view hierarchy.

How to do some stuff in viewDidAppear only once?

I want to check the pasteboard and show an alert if it contains specific values when the view appears. I …

ios viewdidappear
Swift iOS- How to hide label then make it appear after a certain time period

I have a label that gets hidden when a button is pressed. After a certain time period like 60 secs I …

ios swift timer viewdidappear hiddenfield
How can I call the ViewDidAppear only one time?

When the user start the app I want it show the stockholm.xib and It does here: -(void)viewDidAppear:(…

iphone sdk xib viewdidappear
Correct time to call viewDidAppear manually?

I have a UITableViewController in my app, which is added to the view hierarchy directly. After the view appears, I …

iphone scroll uitableview viewdidappear
why the viewDidAppear is not calling?

import UIKit import SwiftyDropbox class NotesViewController: UIViewController, UITableViewDataSource, UITableViewDelegate, NotesviewDelegate { var userText:[String] = [] @IBOutlet weak var tableView: UITableView! override func …

ios swift viewdidappear
Swift - Reload UIPageViewController with new information in viewDidAppear

How to reload UIPageViewController in viewDidAppear? There, I refresh information from CoreData and I want to updated values when the …

ios swift reload uipageviewcontroller viewdidappear
Black screen after App Startup

I'm setting First viewController which will appear on App Startup. That's my AppDelegate.h: #import "AppDelegate.h" #import "TutorialController.h" // …

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Flutter: Lifecycle of a Widget and Navigation

I have written a flutter plugin, that displays a camera preview and scans for barcodes. I have a Widget called …

widget flutter lifecycle onpause viewdidappear
Call Function in Underlying ViewController as Modal View Controller is Dismissed

I have a mainViewController. I call [self pushModalViewController:someViewController] which makes someViewController the active view. Now I want to call …

iphone objective-c modalviewcontroller viewdidappear