IOS

13: block usage (as attribute, return value, and parameter), block Return Value Block is easy to use in actual development. It is mainly used for callback and value transfer between controllers. Then classify its usage Directly run the Code: (all

Invalid APP mounting certificate: solution, invalid app mounting CertificateForwarding: http://www.cnblogs.com/pruple/p/5523767.html Forwarding: http://blog.csdn.net/sunnyboy9/article/details/50887413   Problem description: an error is reported when

IOS huanxin 3.0 integration (I) SDK IntegrationI. Preparations 1. register an email account After registering an email account, we use the registered account to log in. Then, create an application and obtain a corresponding AppKey. This AppKey is

Archive NSKeyedArchiver unarchive NSKeyedUnarchiver and file management class NSFileManager (File Operations ), ====================================== File Operations ====================================== I. Archive NSKeyedArchiver 1. The first

ARC mechanism, arc Concepts and Principles of ARC 1. Understand pointer Classification (1) strong pointer: by default, all pointers are strong pointers, and the keyword strong (2) weak pointer: _ weak Pointer Modified by the keywordDeclare a weak

The User Guide is displayed when iOS development is started for the first time, and the App, UIScrollView, UIPageControl, NSUserDefaults, and uipagecontrol are directly started for the second time. First, create a controller class for the bootstrap

The Toggle Switch in the settings bundle of iOS cannot get the value. When setting the settings bundle of the App in Xcode7.2, it is found that when the bundle element type is Toggle Switch, the change value cannot be obtained in the App. The Toggle

IOS8 solves an Error in obtaining Location Coordinate information (Error Domain = kCLErrorDomain Code = 0) and ios8kclerrordomain Recently, debugging on The simulator found that an Error will be reported when obtaining The Location Coordinate

[Reading Notes] Get the current time, Reading Notes get now I. Code.   -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. self. title = @ "RootViewController"; NSLog (@ "------ timer -- now -- % @", [self

(No. 00005) iOS pop-up games (6): Game data initialization (3)   Now let's take a look at the randomCreateMap Method for initializing the map: // Create a level map randomly based on the current level data on the blank map // The total number of

IOS development diary 53-ARC and memory management, ios diary 53-arc Today, the blogger has a requirement for memory management and has encountered some difficulties. I would like to share with you the hope to make common progress. Because the

[Code Note] upload an ID card number to return a birthday string and an ID card number string Code: -(Void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. NSString * birthDay = [self birthdayStrFromIdentityCard:

(No. 00004) Implementing brick-hitting games for iOS (8): collision between small balls and bricks in the game   Now return to GameScene. m, all our collision processing is placed in this class. first, we need to figure out what will conflict

IOS implements refresh access token in OAuth2.0 and re-request data operations, iosoauth2.0 I. Brief Introduction OAuth2.0 is the next version of the OAuth protocol. It is often used for mobile client development and is a safer mechanism. In OAuth 2.

Navigation controller for IOS, navigation for ios UINavigationController is the main tool used to build layered applications. It uses stacks to implement views. Any type of view controller can be put into the stack. When designing the navigation

IOS Development Learning SUMMARY objective-c object-oriented -- Synthesis access method and point syntaxSynthetic access method We have introduced the setter and getter methods for member variables. However, if a class contains many member variables,

React Native iOS environment setupReact Native iOS environment setup Some time ago, when React Native for Android was released, more and more companies began to study and use React Native. So we also took the time to build the iOS development

[Reading Notes] iOS-memory release and ios-memory release 1. Some programmers prefer to organize the code for memory cleanup in a centralized place in the function, while others prefer to release objects automatically at the creation point to avoid

Code block and code block comments of Xcode, and xcode code comments What we see   ActuallyIf ( ){ } However, why does if come out? This is the code block in iOS. For example, a code block defining an attribute@ Property (nonatomic, strong)

Pop-implement dynamic changes to any attributes of any iOS object, popios Introduction Pop is an extensible animation engine that can be used to dynamically change any attributes of any iOS object. It supports three types: General animation, elastic