uiapplication_开发者

What is the relationship between AppDelegate, RootViewController, and UIApplication?

I am trying to figure out the relationship between the appdelegate, RootViewControoler, and UIApplication. Here is what I kinda have figured out so far:[详细]

2023-02-09 10:06 分类：问答

UIApplicationDidEnterBackgroundNotification

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[详细]

2023-02-07 17:23 分类：问答

Can I get iPhone or iPad Usage Stats from UIApplication?

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.[详细]

2023-02-06 18:49 分类：问答

iphone - open URL with japanese characters

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:[详细]

2023-02-03 08:36 分类：问答

iOS - How can I create and destroy serial instances of UIApplication?

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[详细]

2023-02-01 07:02 分类：问答

iOS How to exit current app after using UIApplication openURL to launch a browser

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[详细]

2023-01-25 20:50 分类：问答

Slow app launch

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[详细]

2023-01-19 21:01 分类：问答

how to get my UIWindow using UIApplication?

I have only one window and I tried UIWindow* mWindow = [[UIApplication sharedApplication] keyWindow]; but this returned nil.[详细]

2023-01-17 14:06 分类：问答

iPhoneOS, using applicationWillResignActive

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.[详细]

2023-01-14 12:29 分类：问答

objective C Basic question

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[详细]

2023-01-12 03:56 分类：问答