Question

I wonder how to pass data back to AppDelegate. Let’s say I have this scheme

AppDelegate - > RootViewController -> FirstViewController -> SecondViewController.

The SecondViewController have data which should be saved when AppDelegate applicationWillTerminate method is called. I know that I can use singleton to share data in the application but I don’t like this approach. Notification seems will not work in this scenario.

What can you recommend me ?

Answer 1

this should get that delegate.

AppDelegate * delegate =(AppDelegate*) [UIApplication sharedApplication].delegate
[delegate callSomeMethod:someData];