CODEWITHSUNDEEP
iphoneioscocoa-touchios5storyboard
ladookie
ladookie

Reputation: 1371

How to get a pointer to a viewController inside the appDelegate when using storyboards

I'm trying to save the data from a viewController. I'm doing this by using the delegate methods in the appDelegate: - (void)applicationDidEnterBackground:(UIApplication *)application

The problem is when using storyboards, the viewControllers automatically get set up for you and I'm not sure how to get a pointer to them so that I can access their data for saving.

How can I get a pointer to them in appDelegate while using storyboards?

Upvotes: 0

Views: 491

Answers (1)

Cyprian
Cyprian

Reputation: 9453

You can register to receive going to and from background notification inside your UIViewController and manage the saving there.

//Going into background
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(saveData) name:@"UIApplicationDidEnterBackgroundNotification" object:nil];

//Waking up
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(doSomethingOnWakeup) name:@"UIApplicationWillEnterForegroundNotification" object:nil];

Upvotes: 1

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