Swift

In iOS, a set of APIs is provided to parse XML data. In fact, it is also very simple, is nsxmlparser and nsxmlparserdelegate. You can specify the URL to the XML directly to instantiate the Nsxmlparser Copy Code code as follows:

Recently I wrote a drop-down load latest, pull load more refresh control. Learn from other excellent open source code implementation effects such as Mjrefresh and Dgelasticpullrefresh. The main purpose is to learn the good ideas of others. How to

In Swift, if you need to split (split) a string into an array of strings based on a specific delimiter, there are usually two methods: 1, using the Componentsseparatedbystring () method Let str = "Beijing, Shanghai, Shenzhen, Hong Kong"Print

How do I implement keyboard following when using Snapkit layout?In the previous article, our page used the Constraints constraint layout. If the page element is to use Snapkit this third party layout library to layout, also can realize keyboard

At the request of netizens, I have summed up the following as, as!, as? The similarities and differences of these three types of conversion operators, as well as their respective usage scenarios. 1,as Use Occasion (1) Convert from derived class to

Apple's official advertising has 4 kinds, today introduced Adbannerview, that is, the common bar-style ads Development process I. Application In the itunes connect to apply for advertising permission, this Google will have, a lot of tutorials!!

I believe that when you learn and use Swift, you will certainly be! And? Crazy, what the hell are these two symbols? Ghosts know when to use!, when to use? Let's talk about it! And? Difference and how to use it! ? And! What the hell is that? ?

Array Initialization of duplicate values In addition to the normal initialization method, we can initialize an array and populate the duplicate values through init (Count:int, repeatedvalue:t): Copy Code code as follows: [0.0,0.0,0

Selector changes in SwiftBefore 2.2, use a string as the method name// parameterless btn.addtarget (self, action:selector ("buttonpress"), forControlEvents: . Touchupinside)// parameter btn.addtarget (self, action:selector ("buttonpress: "),

1, release new notice:NotificationCenter.default.post (Name: nsnotification.name (rawValue: "Messagemaincount"), Object:nil, UserInfo : ["Count": "\ (count)"])2, accept the new noticeNotificationCenter.default.addObserver (Self, selector: #selector

A. Attach Snapkit at GitHub address: https://github.com/SnapKit/SnapKitOfficial guidance Add constraint: Https://github.com/SnapKit/SnapKit#usageSnapkit 3.0 Migration guide:https://github.com/snapkit/snapkit/blob/master/documentation/snapkit%203.0% 2

Array1. Create an arrayvar someints = [Int] () empty array Someints = [] Emptyvar threedoubles = Array (repeating: 0.0, Count: 3) arrays with default values var shoppinglist: [String] = ["Eggs", "Milk"] var arra = arrb + ARRC Creating an

1. Calling Swift in the OBJECT-C project1.1. Create a OBJECT-C project (project name for example: Yydemo) as1.2. Create a swift Class, such asThis shows whether you need to create a header for the OC Bridge, and then we select the CreatePS: Bridge

: Playground-noun:a place where people can playImport UIKitvar str = "Hello, playground" Let individualscores = [103, A., ] var teamscore = 0; For score in individualscores { If the condition in the judge does not add () if score > {

Import Uikitimport photos@available (IOS8.0, *)classCustomablum:nsobject {StaticLet sharedinstance =Customablum () var assetcollection:phassetcollection!var albumfound:bool=falsevar photosasset:phfetchresult!var collection:phassetcollection!var

In the afternoon in the adaptation of the Ipadui, used UIPopoverPresentationController , and then in the turn of the screen need to call UIPopoverPresentationControllerDelegate to return to an adaptation of the View and CGRect, here first look at

Swift version: 3.0Xcode version: 8.0iOS version: 10.0since iOS10 and swift3.0, Apple's approach to CoreData has changed a lot, and the following is a great way to build an entity from 0 and implement its storage and reading capabilities. Note: This

Not much nonsense directly on the codeImplement the following code in the WebView protocol methodFunc webviewdidfinishload (Webview:uiwebview) {//loading completeSelf.view.addSubview (WebView)WebView.scrollView.mj_header.endRefreshing

One: Project deploymentProject deployment one. Open source China (Oschina) Website address: https://git.oschina.net/ Opened in August 2008, the Open source Chinese community aims to provide Chinese it technicians with a comprehensive,

var stringList1 = [string] () //Create String type empty array var stringList2 = ["1", "3", "5", "7", "Zoo", "9", "Zoo"]var stringList3: [ String] = ["2", "4", "6", "Apple", "8", "ten"]stringlist1 + = StringList2