Swift

Playground is from the beginning of Xcode6, with playground to learn a new language is no better!Playground can look at the results while writing code, you can observe the values of variables, when you assign values to variables and check the

learn from the beginning of the zero Swift "Study notes ( Day )--Swift Annotation Specification for Coding specification: file comments, Documentation comments, code comments, using landmark annotations  original articles, welcome reprint.

Reference Link: http://blog.csdn.net/huangchentao/article/details/352786631. Establishment of an OC project (Mixtureocandswift)2. Create a class of OC (OcTest)3. Created a swift class (swifttest) when creating this class, Xcode prompts you to create

Using Swift in OC projects This article copyright belongs to the author all, if need reprint please contact Mengxiang monthCSDN Blog: Http://blog.csdn.net/mengxiangyueIndependent Blog: http://mengxiangyue.com Recently, the company's

classPropertiesClass1 {varA ="Stringa"init () {print ("Initialize") }}classPropertiesClass2 {varID =0 //Lazy lazy loading, only when used to triggerLazyvarProperties1 =PropertiesClass1 ()//initialization must initialize all of the properties,

Import Uikit@uiapplicationmainclassAppdelegate:uiresponder, uiapplicationdelegate {var window:uiwindow?func Application (application:uiapplication, didfinishlaunchingwithoptions launchoptions: [nsobject:anyobject]?) -Bool {Self.window=UIWindow

[Swift] BasicsOne, common variablesvar str = "Hello, playground"//variable let str1= "Hello xmj112288"//constant//multivariable, note; And, the difference var int1:int32; var str2:string;var int2:int32, Str3:stringvar

Tuples (tuples) are significantly different from arrays and dictionaries, which make up multiple values into a composite value:404 Error = (404,"notFound")//HTTP 404 is of type (INT, String), the value is (404, "not Found")You can name a single

#available () function to check the availability of API functions//determine if the current version is ios8.0+,osx10.10+ and on a different platformif#available (IOS8.0Os x10.10, *) { //When the version matches} Else { //When the version

Read Source: Official Swift2.0 Tutorial Chinese versionToday we learned the enumeration types of swift, and the following are the contents and summaries:Use enum to create an enumeration. Like classes, enumerations can also contain methods.enum rank:

Whoa, shove! The data structure in Swift is like this, it is a concise ah, not much to say the code to get:Import Foundationprint ("Hello, world!.") var p1= -//String is the class string inside SwiftLet P2 ="value is"+String (p1) print ("P2 is \ (p2)

What's going on, Swift will create it and generate our Main.swift file:See Hello World, then control the statement in Swift what is the appearance of something, and see:Import Foundationprint ("Hello, world!.")//Define a scorevar score = the//Define

//Viewcontroller.swift//Animations//Created by WZ on 16/1/15.//copyright©2016 year iwangzheng.com. All rights reserved.Import UIKitclassViewcontroller:uiviewcontroller {var count=1var timer=Nstimer () var isanimating=true@IBOutlet weak var

Recently ready to start learning swift. The previous plan was to be able to write a simple app in one months. After all, I only get off work at night for a little time.Because from the Internet or listen to what others say, it is said that if the

Import Foundationclass people:nsobject{//Common attribute var firstname:string = "var lastname:string =" "Var nickn ame:string = ""//Calculate attribute var fullname:string {get {return nickname + "" + Firstnam E + "" + LastName}}//Normal

Original articles, welcome reprint. Reprint Please specify: Dongsheng's BlogThe code is full of its own defined names, and it is important to take a well-qualified name.There are many naming methods, but the more famous, widely accepted nomenclature

Using Swift to write an observer pattern, a collection of swift language classes, arrays, protocols, methods, strings, conditional control statements and some other syntax.A brief introduction to the observer pattern, in the observer pattern, would

There are two uses of range in Swift1. Convert the string to NSString to useHere is the conversion of Swift's character to NSString using let str:nsstring = text.string as NSString self.showmessage ("Tap:" +

Before we dive into the initialization method, let's consider how the initialization in Swift is intended.is actually safe. In Objective-c, the Init method is very insecure: no one can guarantee that Init is called only once, and no one guarantees

Implementation of the List of iOS apps developed by Swift (1)Software and hardware environment OS X EI Capitan Xcode 7.0.1 Introduction List is one of the most important controls. In iOS, It is UITableView. This section describes how to implement