Swift

1, get the current month days Calculate Days of the monthFunc getdaysincurrentmonth ()-> Int {Let calendar = Nscalendar.currentcalendar ()Let date = NSDate ()Let nowcomps = calendar.components ([. Year,. Month,. Day], Fromdate:dateLet year =

In the previous article I introduced how to use the Snapkit Snp_makeconstraints method to set various constraints. But sometimes our pages are not always fixed, which requires modifying existing constraints. This article describes how to update,

For the tab bar (Uitabbar), when the Tabbaritem does not need title as long as the image, the image below will occupy a space.We can set the offset by tabbaritem.imageinsets so that the image icon is centered.(Note: Top and bottom are set to the

Swift developed the text content to voice, only to convert the online OC version to the SWIFT version, the need for students to take. Xcode7 The code is as follows Copy Code swift2.0 Import UikitImport Avfoundation

Classin Swift, classes are building flexible building blocks. Similar to constants, variables, and functions, the properties and methods of the class that the user can define. Swift provides us with a declaration class without the user creating

I have written an article on QQ sharing: Swift-Tencent's official SDK configuration and use (share to QQ space, share to friends). Through the use of the SDK provided by Tencent, we can jump from their own App to mobile QQ, to share messages to QQ

ADD This code to your project and comparing dates is easier than everExtended NSDateextension nsdate{func isgreaterthandate (datetocompare:nsdate)-Bool {varIsgreater =false ifSelf.compare (datetocompare) = =nscomparisonresult.ordereddescending

First, IntroductionAs Swift matures, the use of swift development or hybrid development has become a trend, and Apple is recommending the use of Swift as a new language. Swift has now been updated to 3.0, and it is estimated that no more than 4.0

Subclasses can provide their own custom implementations for inherited instance methods, class methods, instance properties, or subscripts. We call this behavior rewriting. If you want to override an attribute, you need to precede the rewrite

This is followed by the following in the previous post:--core FoundationFrameThe Core Foundation framework is Apple's offering a set of concepts derived from the foundation framework, programming interfaces for C-style APIs. While it is cumbersome

String, CharacterString uses double quotation marks (") as the bounds in Swift:"Hello!" // greeting‘stypeisStringCharacter can be initialized from string, as long as it contains only one character:let"H"// validlet"??"// validlet"abc"// invalid -

enumerateobjectsusingblock：Methods that are not arrays are used in Nsarray. If you want to use it, you need an instance of Nsarray instead of an array.import Foundationvar array: NSArray = ["Some", "strings", "in", "an",

Import UIKitClass Viewcontroller:uiviewcontroller,uitextfielddelegate {var textfield:uitextfield!Override Func Viewdidload () {Super.viewdidload ()Background colorSelf.view.backgroundColor = Uicolor.whitecolor ()LabelLet lable = UILabel

// Monitor keyboard Notifications Notificationcenter. default Object: nil) //listening for keyboard eventsfunc keyboardwillchangeframe (note:notification) {print (Note.userinfo??"") //1. Get the time the animation was executedLet

Import UIKitvar str = "Hello, playground"Func Checkup (person:[string:string]) {Check the ID card, if the identity card is not brought, you cannot enter the examination roomGuardlet id = person["id"] else {Print ("No ID, no access to the examination

One: Guest interface effectTwo: Code1: Business logic Analysis: 1: Because the user is not logged in to display the guest view, to determine whether the user is logged in, not logged in the guest view, login to display the normal landing interface,

Beginner Swift But there's only a lot of Swift's cell created with Xib, and that's not what I want. Today, I got a code that doesn't have to be written xib pure code.Custom cellHere's the controller.Exception to say a little lazy loadingLazy Loading

Defined letDefines constants that are not allowed to be modified once assigned varDefine variables that can still be modified after assignment //: # 常量//: 定义常量并且直接设置数值let x = 20//: 常量数值一经设置，不能修改，以下代码会报错// x = 30//: 使用 `:

////Viewcontroller.swift//Basic data Types////Created by Ye Shi on 16/9/8.//copyright©2016 year Ye Shi. All rights reserved.//Import UIKitclassViewcontroller:uiviewcontroller {Overridefunc viewdidload () {super.viewdidload ()//

The following code is used in the OC Project in fact and in the swift use of no big difference attribute is the sameCreate a pie chartSelf.piechartview = [[Piechartview alloc] Initwithframe:cgrectmake (300)];[Self.view