IOS

Objective-C Numbers, objective-cnumbers In Objective-C programming language, in order to save the basic data types like int, float, bool in object form, Objective-C provides a range of methods to work with NSNumber and important ones are listed in

Ios calls the device system settings interface and ios system settings // To enable the function of redirecting from the application to the system setting interface, add prefs to Targets-Info-URL Types-URL Schemes. -(Void) OpenAppSetting { //Wifi //

IOS project-basic framework construction and ios basic framework construction During project developmentIOS project -- build a project development environmentAfter that, we should first consider the overall framework and navigation architecture

Block application description, block Application I. Block Definition Block can be understood as a function pointer (that is, a pointer pointing to a function)ReturnType (^ blockName) (parameter list) = ^ (parameter list) {code block

Ios message push details, ios message push details Message push process The mobile phone system keeps communicating with Apple APNs. When the App is opened, a toKen is obtained from the apple Apns. Send toKen to the backend server The server sends

IOS development: page Jump and pop-up mode of ViewController, iosviewcontrollerViewController page Jump When you jump from a Controller to another Controller, there are generally two types: 1. Use UINavigationController to call pushViewController

IOS: Time Related (more), ios18-01-24 Sort out time-related programs and then write them into a singleton if you are free.   1. Calendar (NSCalendar) 2. Time Format () 3. Timestamp     1. Calendar (NSCalendar) 1. To obtain information such

IOS: application details analysis, ios application details1. default.png A png image file that contains the default photo page of the application. When a user runs an application, the iPhone will use this picture to display an animation, resulting

Ios encapsulates UITableView for details, iosuitableviewReason I have been working on ios for a while, and UItableView is frequently used. In this process, I have repeatedly created and added it to the proxy, Which is troublesome and also makes the

OS X third-party class library management tools cocoapods, oscocoapodsI. Introduction What is cocoapods? -- Is the next third-party class library management tool for OS X and iOS. With cocoapods, you can add a "Pods" dependency library for the

ReactiveCocoa (bottom), ReactiveCocoa ( 1. Bind Method The core method for ReactiveCocoa operations isbind(Binding), and the core development method in RAC is alsoBind, The previous development method isAssignmentWith RAC development, we should

IOS calls the System camera and album, and ios calls the cameraAfter iOS 10, remember to add the permission to get photos and albums in plist. After iOS 10, remember to add the permission to get photos and albums in plist, after iOS 10, remember to

What is ArcGIS Runtime SDK ?, Arcgissdk For example, what is the Runtime SDK? Are there Android, Apple mobile phones, Mac, and QT versions? Does it mean that ArcGIS's data editing and spatial analysis can be programmed to run on every platform? The

IOS development encapsulates a horizontal menu bar class tutorial, ios menu bar To develop a relatively large software, you need to create a menu bar that allows you to quickly query and select what you need. A common menu bar is composed of a

How can I effectively clear the File Cache in ios Development ?, Clear cache for ios development How can I effectively clear the File Cache in ios development? In some applications, some caches should be stored on the disk, and the application will

How to generate a high-performance rounded corner image by using UIImage in iOS, How to generate a high-performance rounded corner image in iOS. -(Void) imageWihtSize :( CGSize) size radius :( CGFloat) radius backColor :( UIColor *) backColor

IOS interaction with unity, opencv development tutorial, unityopencv IOS interaction with unity, opencv development tutorial. Problems encountered 1, Problem 1: enum {NO, GAIN, GAIN_BLOCKS}; Expected identifier Modify NO to NO_EXPOSURE_COMPENSATOR

[Code Note] iOS-JQIndicatorViewDemo, I ,.   2. Engineering Drawing. 3. Code. # Import "ViewController. h "# import" JQIndicatorView. h "@ interface ViewController () @ end @ implementation ViewController-(void) viewDidLoad {[super

IOS UILabel text top/bottom implementation, iosuilabel The default text position of the iOS UILabel control is centered ,:   However, we often encounter this kind of requirement. We hope that the text can be topped up or down, but unfortunately,

IOS-UINavigationBar [color settings], ios-uinavigationbar Some color settings of UINavigationBar. I used to forget this time. -(Void) setNavigationBar {// NavigationBar backgroundcolor [background color] [UINavigationBar appearance]