uiapplication

First, UIApplication1. Brief introduction(1) The UIApplication object is a symbol of the application, and a UIApplication object represents an application.(2) Each application has its own UIApplication object, and is a singleton, if you try to create a new UIApplication object in the program, then the error prompt.(3)

1 //the first time the program was started when the UIApplication object, it is a simple interest object, is a symbol of the program, so can not be uiapplication *app = [[UIApplication alloc] init], the way to create , using the method is uiapplication *app = [UIApplication

uiapplication 1. Introduction　　　　　　　1> a symbol of the entire application, an application on a UIApplication object, using a singleton design pattern2> access to this singleton object via [UIApplication sharedapplication]2. Common usage　　　　　　　　　　1> set icon in the upper right corner of the red hint numberApp.applicationiconbadgenumber = 10;2> setting the style of

Uiapplication delegate message prepared by: xuguoxing category: IOS, system, uikit Release Date: Comment 6 comments Off 1. uiapplication delegate Message Sequence After ios4, multitasking is introduced. uiapplication runs in two modes: foreground (foreground) and background (background). When the app starts and switches between the frontend and background, the de

(Material source code) IOS (21) UIApplication setting program icon on the upper right side of the red circle number _ ⽰, iosuiapplication CAT/CAT sharing, must be excellent Material address: http://download.csdn.net/detail/u013357243/8602889For Original Articles, please reprint them. Reprinted Please note: Yan Nai-yu's blogHttp://blog.csdn.net/u013357243? Viewmode = contentsEffect Source code /// NJViewController. m // 06-

First, UIApplication1. Brief introduction(1) The UIApplication object is a symbol of the application, and a UIApplication object represents an application.(2) Each application has its own UIApplication object, and is a singleton, if you try to create a new UIApplication object in the program, then the error prompt.(3)

If you do not want the iPhone to enter the lock wait status when the application is running, add the following line of code: [[UIApplication sharedApplication] setIdleTimerDisabled: YES]; By the way, I learned UIApplication. The iPhone application is started by the main function, which calls UIApplicationMainFunction in the following format: Align with UIApplicationMain, option + mouse click. To view. So

1> the whole application symbolizes that an application is a UIApplication object and uses the singleton design mode. 2> access this singleton object through [UIApplication sharedApplication] App. applicationIconBadgeNumber = 10; App. statusBarStyle = UIStatusBarStyleBlackOpaque; App. statusBarHidden = YES; App. networkActivityIndicatorVisible = YES; * Open a webpage [App openURL: [NSURL URLWithSt

1. Introduction1> A symbol of the entire application, an application on a UIApplication object, using a singleton design pattern2> access to this singleton object via [UIApplication sharedapplication]2. Common usage1> set icon in the upper right corner of the red hint numberApp.applicationiconbadgenumber = 10;2> Setting the style of the status barApp.statusbarstyle = Uistatusbarstyleblackopaque;3> Control t

- (void) viewdidload{[Super Viewdidload]; //additional setup after loading the view, typically from a nib. //uiapplication *app = [uiapplication sharedapplication];//uiapplication *app1 = [uiapplication sharedapplication];////UIApplication *app2 = [[

Identifier:app toBundle versionsstring, Short: Software version number (update app) +Main Storyboard FileBaseName: Set the storyboard file to load when the program starts - the-------------------------------------------------------------------------------------------- * Second, uiapplication $ 1. IntroductionPanax Notoginseng 1>symbol of the entire application, an application on a UIApplication object, us

called when the application has finished launching-(BOOL) Application: (uiapplication *) application didfinishlaunchingwithoptions: (nsdictionary *) launchoptions { NSLog(@ "%s", __func__); return YES; }called when the application will lose focus-(void) applicationwillresignactive: (uiapplication *) application { NSLog(@ "%s", __func__); }called when the application enters the background-(void)

Openurl can help you run maps, SMS, browser, phone, and other applications.Program. This is a frequently used section in iPhone development.CodeIt only has one row.[[Uiapplication sharedapplication] Openurl: [nsurl urlwithstring: @ "Tel: // 8004664411"];This program supports the call function through the basic protocol.Attach:-(Ibaction) openmaps {// open the map// Where is apple on the map anyway? Nsstring * addresstext = @ "1 infinite loop, Cupert

The role of UIApplication:1. Add a number to the application icon1) Get uiapplication single caseUIApplication *app = [UIApplication sharedapplication];2) Registration NoticeUiusernotificationsettings *setting = [Uiusernotificationsettings Settingsfortypes:uiusernotificationtypebadge Categories:nil];[App Registerusernotificationsettings:setting];3) Set app icon r

Cat Share, must boutiqueMaterial code Address: http://download.csdn.net/detail/u013357243/8602889Original articles, welcome reprint. Reprint Please specify: Sanayu's BlogAddress: http://blog.csdn.net/u013357243?viewmode=contentsEffectSource////NJVIEWCONTROLLER.M//06-uiapplication////Created by Apple on 14-6-3.//Copyright (c) 2014 Heima. All rights reserved.//#import "NJViewController.h" @interface njviewcontroller ()@end @implementation njviewcontrol

1. Introduction1> A symbol of the entire application, an application on a UIApplication object, using a singleton design pattern2> access to this singleton object via [UIApplication sharedapplication]2. Common usage1> set icon in the upper right corner of the red hint numberApp.applicationiconbadgenumber = 10;2> Setting the style of the status barApp.statusbarstyle = Uistatusbarstyleblackopaque;3> Control t

1 //2 3 //APPDELEGATE.M4 5 //appdelegate6 7 //8 9 //Created by Apple on 13-7-10.Ten One //Copyright (c) 2013 itcast. All rights reserved. A - // - the - - #import "AppDelegate.h" - + - + #import "ViewController.h" A at - - @implementationappdelegate - - - in- (void) Dealloc - to { + - [_window release]; the * [_viewcontroller release]; $ Panax Notoginseng [Super Dealloc]; - the } + A the + #pragmaMark app is loaded (by default, it only prints 1 times) - $ //launchoptio

( sharedapplication] return uiapplication * application = nil;+ (uiapplication*) shareapplication{if (application = = nil) {application= [[uiapplication Alloc]init];}return application;}When uiapplication receives all system events and lifecycle events, it passes the event to uiapplicationdelegate for processing, and f

Before we dive into the uiapplication, let's look at the boot process for iOS programs:The UIApplication class provides a central point for app management and orchestration in iOS, and each app has a uiapplication instance, and when the app starts, the system calls the Uiapplicationmain function inside the main function, The function creates an instance of

The method of UIApplication as a singleton object is openURL: often used in iOS development to implement the need to open external links in the current application, such as jumping to other applications, jumping to the Application privacy settings interface, and the relevant API canOpenURL: for pre-jump judgment. And this ancient (iOS2) openURLmethod will be replaced by the new API that appears today iOS10 openURL:options:completionHandler: .While the