iOS Referencing a view controller object from the AppDelegate

[RossOliver]

Hey,

I have my AppDelegate, which on start up runs my MainWindow.xib creating a mainWindowViewController. That view controller goes on to present a modal view controller, which has an instance variable I need to access upon the termination of my application (to save state). How on earth do I go about referencing this object?

Cheers,

-Ross

 

[kainjow]

Why not just save the state when that variable is changed, inside its class?

 

[RossOliver]

Why not just save the state when that variable is changed, inside its class?

Since only the AppDelegate receives the appDidTerminate (can't remember the exact method name) message it needs to call the object to inform it to save state. I managed to do this by just linking an instance variable to the view controller in AppDelegate then I got it's modalViewController, checked it to make sure the class name was correct and then I could access the property I needed...

-Ross