Swift

original articles, welcome reprint. Reprint Please specify: Dongsheng's blog Swift inheritance can only occur on a class and cannot occur on enumerations and structs. A class can inherit a method, property, subscript, and other characteristics of

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

Generally we will encounter in the following two kinds of situations! And? The use1. When declaring a variablevar number:int?var str:string?2. When working with variablesNumber?. HashValueStr!. HashValueBecause these two situations have different

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:

本文的例子和Swift版本是基于Xcode7.2的。以后也许不知道什么时候会更新。We're going to do something.Use the open API of Sina Weibo to do the backend to realize the function we want to mention. Display the content, images and text of Sina Weibo in collection view. This article

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

Class ClassA {Let numa:int init (num:int) { NumA = num }}class classb:classa {let numb:int Override Init (num:int) { NumB = num + 1 super.init (num:num) }}We can assign an instance variable to let in Init,

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

Important: Uialertview is deprecated in IOS 8. (Note that uialertviewdelegate is also deprecated.) To create and manage alerts in IOS 8 and later, instead use Uialertcontroller with a preferredstyle ofuialertcontrollersty Lealert.Using Uialertview

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