I am trying to figure out the relationship between the appdelegate, RootViewControoler, and UIApplication. Here is what I kinda have figured out so far:
whats the use of UIApplicationDidEnterBac开发者_开发技巧kgroundNotification in iPhone app or how we can take benifit from itThis notification means the user \"quit\" your app on an iPhone 4 - It happe
Is it possible to access iPhone or iPad st开发者_运维知识库ats on App Usage through UIApplication or something.
In my application开发者_如何学编程, the requirement is to use UIApplication\'s openURL method to start browser with following URL:
This may be of little use to anyone, but it\'s possible to return from UIApplicationMain by nesting the call in a try{}catch(NSException* e){} block. I\'m currently doing this for testing my setup pro
I am very new to iOS development. The app I need is very simple: just open a web browser and go to a specific URL when my app is launched. So in the delegate file, in didFinishLaunchingWithOptions, I
My iphone app is launching very slowly, and I have no idea why. My application:didFinishLaunchingWithOptions: isn\'t really heavy, I\'m just setting the managedObjectContext for each of my five view c
I have only one window and I tried UIWindow* mWindow = [[UIApplication sharedApplication] keyWindow]; but this returned nil.
I want to use this function applicationWillResig开发者_Go百科nActive perform some tasks. before the application shuts down due to incoming call, message or user close it manually.
i made a simple application using view based template.and i put only nsloginside view didload methodin viewController file and also inside applicationDidFinishLaunch method (in appDelegate)to checked