IOS

1. Create and start a thread. An NSThread object represents a thread. Create and start a thread. NSThread *thread = [[NSThread alloc] initWithTarget:self selector:@selector(run) object:nil];[thread start];2. Thread-related usage main thread-related

Action Sheet and Alert are two special controls (for the moment, they are called controls. They are not actually controls, but two classes in ios, these two Classes define two different types of pop-up boxes for user interaction.) The Action Sheet

To put it short, thank you for your attention. This article has been written for a long time. I will continue to learn about ios. I will use 2 to 3 articles to learn some common controls on the iphone, including Image View, Text Field, Keyboard,

My technical blog is often maliciously crawled and reproduced by rogue websites. Please move to the original article: Workshop. Sometimes, our app forms have both single-row textField and multi-row textView. After iOS 7, the default textField is

Today we will mainly introduce the usage of strings. the syntax of strings is not the same as that of object-c, but the idea is the same, that is, the syntax is not the same. If you are familiar with. net and java syntax, you have almost no pressure.

When I browsed the Demo last night, I saw that someone else used NSURLSession to request network data. At that time, I was wondering what was going on here. Why didn't I use it? It aroused my curiosity, I went to Baidu-Google-official documents to

Use the optional values (Optional). Optional values: 　　· ExistA value, which is equalX Or 　　·Does not existAny value Note: The optional values in C and Objective-C do not exist. In Objective-C, the most similar (concept) to the optional values is

Swift is a new programming language for developing iOS and OS X applications. However, Swift has many similarities with C or Objective-C. Swift provides all the basic types in C and Objective-C, including the Int that represents the integer, the

　　   　　Class   In Swift, you can use the class keyword followed by the class name to create a class. In a class, the declaration of an attribute is the same as that of a constant or variable. Unless this attribute is in the context of the class, the

Address: http://www.tairan.com/archives/6600 For more information about Swift syntax, see the Apple Swift programming language getting started tutorial. The effect is as follows: Development Environment Xcode6-beta IOS8 Create a project Choose

I found a useful article and analyzed four solutions. Test it later. If there are other solutions, I will add them later.     Address: http://www.ifun.cc/blog/2014/02/21/dong-tai-ji-suan-uitableviewcellgao-du-xiang-jie/     I don't know if you have

  Enumerations Enumeration   UseEnumCreate an enumeration. Like Classes and other naming methods, enumeration can also have a Method ). 1 enum Rank: Int { 2 case Ace = 1 3 case Two, Three, Four, Five, Six, Seven, Eight, Nine, Ten 4 case

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

 Cocoa coding specifications-preface use public APIs to develop a Cocoa framework, plug-in, or other executable targets. The naming and coding standards in these frameworks are different from general application development. Because you developed

The Singleton model is widely used on the Internet. Today, I am posting my personal understanding of Singleton mode. Only one instance exists in the entire app, and the instance is executed only once. After the instance is completed, it cannot be

In C ++, "namespace definition" is introduced to avoid name definition conflicts. Used in code The output can directly reference cout It inherits the standard library files in C language and does not introduce namespace definitions, so it

Code creation: 1. appdelegate puts contoller under the controller - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{ self.window = [[UIWindow alloc] initWithFrame:[UIScreen

Almost all iOS programmers go to GitHub to find open-source class libraries. Indeed, there are a lot of excellent open-source class libraries on GitHub for everyone to learn. But how can I upload code to GitHub in Xcode?   (Install git before you

I. Directory descriptionAs shown in, a sandbox typically contains the following directories and files.Description of directories and files:1. DocumentsYou should write all application data files to this directory to store user data or other

IOS Human Interface Guidelines) Beautiful Life of the sun and fire god (http://blog.csdn.net/opengl_es) This article follows the "signature-non-commercial use-consistency" creation public agreement Reprinted please keep this sentence: Sun huoshen's