awesome ios swift

Just contact with Swift and iOS, not quite understand the logic that leads to some problems. Share the Swift custom Uicollectionviewcell hereFirst of all my viewcontroller not directly inherit Uicollectionviewcontroller, but add Uicollectionview to my storyboard,Then create a swift file and let this

iOS Development Swift Chapter-(vi) Process ControlI. Process Control in SwiftThe process structure supported by Swift is as follows:Loop structure: For, for-in, while, do-whileSelect structure: If, switchNote : These statements must be followed by curly braces {}, which are not required in the C languagedescription : In contrast to the C language, the usage is ba

How to implement a crash tree level folder and expand1 IntroductionRecently, it has been using swift to write projects, now that he has finished less than half, about 11 can be completed in mid-January, when a series of video, the source code is released. I am the iOS 0 Foundation learning Swift, which has not been experienced in any OBJC, and has spent the past

directly to each other.At the same time, the string is not @ "" to write, but "". The type is string, not nsstring.Concatenation of strings. (formerly stringWithFormat to Stitch strings) var str1 = "Xu" var str2 = "Neng" var str3 = str1 + "" + str2//string Insert variable var name = "Xiao Ming" var age = 10var result = "\ (name) is the age of \ (aged)!" var result = name + "Age is" + ages + "Old!" This is wrong, and the types in swift cannot be add

Swift and iosswift in ios development 　In modern computer languages, object-oriented is a very important feature of iOS, and Swift language also provides object-oriented support. In addition, in the Swift language, not only classes have the object-oriented feature, but also

In the C-system language, you can use #if or #ifdef something like a compilation conditional branch to control which code needs to be compiled, and which code does not. There is no concept of macro definition in Swift, so we cannot use #ifdef a method to check whether a symbol is defined by a macro. But in order to control the compilation process and content, Swift also provides us with several simple mecha

iOS Development Swift-(c) strings and data typesOne, the stringString is data of type string, with double quotation mark "" Wrap text content Let website = "Http://www.wendingding.com"1. Common Operations for strings(1) Use Plus + to do string concatenationLet scheme = "/http"Let path = "www.wendingding.com"Let website = scheme + pathWebsite's content is "http://www.wendingding.com"(2) Use backslashes \ and

MVVM is a mobile development framework designed by Microsoft to address the bloated problem of traditional MVC framework controllers for traditional MVC frameworks.M:Model models, which are data models; for example, a micro-blog, corresponding to all the fields to synthesize a microblog overall, this whole is modelV:View view, which is used only to display views such as iOS Uiview,cell; of course, in iOS st

IOS --- Summary of common global functions and extension in Swift (continuous update) Sort out the common Swift global functions and extension (because macro definitions cannot be used in Swift) in iOS development as follows.For a summary of Objective-C's macro definition, r

Original blog, reproduced please indicate the sourceBlog.csdn.net/hello_hwc?viewmode=listPreface: The first two persistence, respectively, talked about Nsuserdefaults Saving settings information Plist Save Simple Structured information This article explains how to save information that needs to be encrypted. In most cases, the password is saved. In rare cases, you need to save information such as certificates. This article takes the password as an example to explain how to use

Li Hongqiang iOS Development Swift Chapter -06_ Process ControlI. Process Control in SwiftThe process structure supported by Swift is as follows:Loop structure: For, for-in, while, do-whileSelect structure: If, switchNote: These statements must be followed by curly braces {}, which are not required in the C languageDescription: In contrast to the C language, the

iOS Development Swift Chapter-(vii) functionDefinition of a function(1) The definition format of the function1 func function name (formal parameter list)-- return value type {2 // function Body ... 3 4 }(2) format of formal parameter listFormal parameter name 1: Parameter type 1, parameter name 2: Parameter Type 2, ...(3) Example: Calculates the number of 2 integers and1 func sum (num1:int, num2:int),

iOS Development Swift Chapter-(ix) PropertiesFirst, definition of ClassThe difference between swift and objective-c definition classesOBJECTIVE-C: typically requires 2 files, 1. h Declaration files and 1. m implementation filesSwift: only 1. Swift files requiredDefinition format for classes in Swift1 class class name

Swift is the most basic:About basic types:Let is a declared constant, VAR is a declared variable. Experience: To create a variable, should be set as a constant, with the need to change the time to change, because variable volume, may appear unsafe factors, and the constant efficiency is high.String: A string is a variable and a string is a value type. About strings: explained in more detail later.Ganso (tuple): The meta-ancestor type is similar to the

Ios learning: Share on Weibo, facebook, and twitter in swift, Enabling the sharing feature in swift is so simple. 1. First, you must Import Social 2. Under the share button event Var controller: SLComposeViewController = SLComposeViewController (forServiceType: SLServiceTypeSinaWeibo) controller. setInitialText ("come to

How to use Swift to implement Touch ID verification in iOS 8? IOS8 opens many APIs, including HomeKit and HealthKit. Here we want to talk about Touch ID verification for one of them. In the past, apps were used to protect users' private content. Only passwords can be set and entered. The iPhone can only use Touch ID to easily unlock its own apps. It's really urgent. Now we can also be cool. When you open a

Alamofire: The famous Afnetworking Network Foundation Swift language edition Starscream:websocket Client class Library Picture Class Imagescout: Minimum network cost to get picture size and type Dominantcolor: Extract Picture main color Sample project Toucan: Small and beautiful picture transformation and processing class Gifu: High performance GIF display class library Hanekeswift: Lightweight with cache hi

iOS development language Swift Getting started serial-destruction processDestructors are called immediately before an instance of a class is freed. The destructor is labeled with the keyword Deinit, similar to the initialization function, which is marked with init. Destructors apply only to class types.　　Principle of the process of destructionSwift frees up resources by automatically releasing instances tha

IOS: swift trainer and csdn, recent study summary, iosswift As early as May, I was about to start studying ios development. At that time, I still went to oc. After studying for a few days, I finally had to try it out. When I arrived at ios8, I added the emergence of swift. Since May October, I finally found some skill

The framework packaging and swift programming languages have been introduced since iOS 8.0. We can mainly use the SWIFT programming language to package our own code into the framework. However, the current Xcode 7.x is not too smart to automatically import the framework package, so you need to do some cleanup.First, when the framework is generated, structures, cl