IOS

NSURLSession usage (1), nsurlsession usage 1. Create a Session and initialize it. Three creation methods are available:1. + (NSURLSession *) sharedSession Singleton Mode 2. + (NSURLSession *) sessionWithConfiguration :( NSURLSessionConfiguration *)

Understanding of OC polymorphism and oc Polymorphism Key points: 1. Multiple forms, multiple types of referencesA referenced variable can point to any class object.For a reference to a parent class (there is an inheritance relationship between the

Use Touch ID fingerprint to unlock and use Touch ID fingerprint to unlock Touch ID is a new feature added after iPhone 5 s, which is a well-known fingerprint recognition technology. In most cases, you may need to perform screen decoding on your

The difference between new and alloc/init in iOS development, iosnewallocinit [ClassName new] is basically equivalent to [[className alloc] init]; The difference is that zone is used when alloc allocates memory. What is this zone? When

Swift and swiftcode Swift-RotateView   Effect   Source code Https://github.com/YouXianMing/Swift-Animations /// RotateView. swift // Swift-Animations // Created by YouXianMing on 16/8/14. // Copyright©2016 YouXianMing. all rights reserved. //

Font color, css font color # Define QUICKRGB (r, g, B) [UIColor colorWithRed: r/255.0 green: g/255.0 blue: B/255.0 alpha: 1.0] # Define HEXCOLOR (hex) [UIColor colorWithHex: hex]   # Define UIColorFromRGB (rgbValue )\ [UIColor colorWithRed :( (float)

Cascade interface (recommended Interface) construction principle and interface construction     I. Overall Layout1. for project requirements, click cell on the left and cell data on the right. 2. it is troublesome to set up 2.1 on the interface

Swift and swiftcode Swift-UITableView status switch Effect   Effect   Source code Https://github.com/YouXianMing/Swift-Animations /// TableViewTapAnimationController. swift // Swift-Animations // Created by YouXianMing on 16/8/7. // Copyright©2016

AFNetworking 3.1, afnetworking3.1 I heard that the AFHttpWorking version may affect Apple's review. Today, the latest version of AFHttpWorking is released and simple encapsulation is made. Here I downloaded two tools through cocoapods. 1 =

Use of NSUserDefault and NSUserDefaultUse of NSUserDefault NSUserDefaults is used to store small data such as user configurations. 1. Create an NSUserDefaults object NSUserDefaults * userDefault = [NSUserDefaults standardUserDefaults];     2. After

Git (use of branches on osChina), gitoschina There are two ways to create an osChina Branch: 1. directly create on osChina Pull is required. Otherwise, check that the git status does not include the change branch; Git pull 2. Use the git

NativeH5 solution for Native interaction with H51. Directly load pages in native code1. Specific cases Loading local/network HTML5 as function overview page2. Sample Code // Local -(Void) loadLocalPage :( UIWebView *) webView { NSString *

Custom flow layout (basic use of UICollectionViewFlowLayout) and flowlayout vertical layout The final displayed Ideas: 1. Basic settings of UICollection, and create a class inherited from UICollectionViewFlowLayout. (It cannot be

Viewcontroller base class, viewcontroller Base # Import # Import "YQZMutableArray. h"   @ Interface YQZViewController: UIViewController   @ Property (nonatomic, strong) NSString * kTitle;   // Save the currently running http Request @ Property

Git (add existing projects to osChina), gitoschina Add existing projects to osChina Create a project in osChina   Do not initialize the project. The project is basically empty now, and the remote address of the Project is obtained. Find an

Basic knowledge of IOS development-fragment 43 and basic knowledge of ios-43 1: Add a gesture to draw the left, and modify the coordinates of one of the Views. The menu is hidden and displayed. @property(strong,nonatomic)UISwipeGestureRecognizer

Simple encapsulation of UITextField and uitextfield Encapsulation Simple UITextField Encapsulation   Effect   Source code UITextFieldView in https://github.com/YouXianMing/UI-Component-Collection /// UITextFieldView. h // UITextField /// Created

UITabBar, uitabbarcontroller For (UIView * tabbarbutton in self. subviews ){ // NSLog (@ "% @", tabbarbutton );   If ([tabbarbutton isKindOfClass: NSClassFromString (@ "_ UITabBarBackgroundView")]) { [Tabbarbutton setValue: [UIColor orangeColor]

Processing of in iOS development, and processing of null in ios development During iOS development, data is often required to communicate with the server. JSON is a common and efficient and concise data format.  Problem: In the project, the program

[Code Note] Loading, code note I ,. Ii. Code. -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. [self showFooter: YES];}-(void) showFooter :( BOOL) showFooter {NSLog (@ "pull up Refresh: load more views");