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Questions tagged [appdelegate]

In iOS, the app delegate is responsible for managing the app throughout its lifecycle by responding to events such as launch and termination.

2019 questions
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12 answers

Get the current view controller from the app delegate

i am new to ios. I need to know the current view controller from app delegate.. i have no idea about this and i don't knowto implement this. i am using this code toimplemnt this but it return null values. I followed this link- Get current view…
user3459648
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30
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5 answers

Open a view controller when a iOS push notification is received

I want to open a specific view controller when a user clicks on the received push notification message, but when I receive a push notification message and click the message, only the application opens, but it does not redirect to a specific view…
cdsoft
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3 answers

Present view controller from app delegate

I'm attempting to present a view controller from the app delegate with this code: - (void)interstitialViewControllerRequestSucceeded:(UIViewController *)interstitialViewController { [self.window.rootViewController…
mikeholp
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29
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3 answers

Swift – Instantiating a navigation controller without storyboards in App Delegate

I'm rebuilding an app without storyboards and the part of it that I'm having the most trouble with is navigating view-to-view programatically. Few things are written out there which don't use storyboards, so finding an answer for this has been…
Zack Shapiro
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27
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7 answers

Changing titleTextAttribute in swift

Every since i updated xcode i cant seem to change the titleTextAttribute. Now when i use following code i get this error: could not find an overload init that accepts this supplied arguments Code in…
Peter Pik
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26
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7 answers

Swift - pushViewController from appDelegate, rootViewController.navigationController is nil

Having a problem following a few guides, specifically http://blog.originate.com/blog/2014/04/22/deeplinking-in-ios/ I'm setting the url scheme and it's working well to launch the app from another app, but passing in the host or url are not working…
tehfailsafe
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25
votes
3 answers

AppDelegate and SceneDelegate when supporting iOS 12 and 13

I need to support iOS 12 and iOS 13. Should I be duplicating code between AppDelegate and SceneDelegate? For example: func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { …
Teddy K
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25
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5 answers

presentViewController in AppDelegate with delay in iOS8

So I had a full working solution in iOS7 that displays a LoginViewController via presentViewController in the AppDelegate's didFinishLaunching. Basically I am doing something like this: UIViewController *backgroundViewController =…
Tiago Almeida
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23
votes
6 answers

"Error : Use of undeclared type MessagingDelegate" in Firebase messaging

I have updated my firebase messaging pod recently and followed the Quickstart guide of Firebase to perform necessary changes of upgradation. I added the new extension AppDelegate : MessagingDelegate extension but getting certain errors.
Heckyl Technologies
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2 answers

Apple iTunes Connect Analytics: attribution provider and campaign id value passing to the app delegate

The new iTunes connect has analytics features now. You can specify the provider (pid) id and campaign id (cid) in the url. e.g. https://itunes.apple.com/fr/app/candy-crush-saga/id553834731?mt=8&pid=1234&cid=My_Campaign Can you pass those values…
Zsolt
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22
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4 answers

Can I use PushKit to do regular push with out using VoIP? Will it allow killed app to be launched in background if user does not act on notification?

In the PushKit it is mentioned we can use regular push or VoIP push. But I did not find any documentation for what PKPushType to use for regular push. Did anybody try the regular push using the PushKit? If I don't use VoIP is it possible for a…
SDTDMT
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2 answers

Replace xib file with Main.storyboard file in App delegate class

Right now project is using MainWindow.xib in App delegate class as main nib file. It has this code in main.m file int main(int argc, char *argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; int retVal = UIApplicationMain(argc,…
user1120133
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2 answers

Accessing AppState in AppDelegate with SwiftUI's new iOS 14 life cycle

I'm using SwiftUI's new app lifecycle coming in iOS 14. However, I'm stuck at how to access my AppState (single source of truth) object in the AppDelegate. I need the AppDelegate to run code on startup and register for notifications…
Mister22
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4 answers

Swift: How to access in AppDelegate variable from the View controller?

I would like to write in the text or csv (prefer) file the variable from the view controller. Indeed I am doing a drawing app and I would like to write in the file the current position of the finger. class ViewController: UIViewController {var…
Yann Amouyal
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21
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5 answers

Call app delegate method from view controller

I want to know if I can call an app delegate method from another ViewController. When the app starts, the application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool i method is called. Can I…
Memon Irshad
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