It is very hard to end an iOS book written after June 2, 2014 without a mention of one of the most earthshaking announcements in recent years: Swift. Swift is Apple's brand-new programming language, intended to lower the barrier to entry to iOS and OS X. For many developers, Objective...
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In this Xcode tutorial, you’ll learn how to use Instruments to profile and debug performance, memory and reference issues in your iOS apps.
As you may already know,Swift, the new programming language from Apple, has been out for quite a while and almost every iOS developer is today having the itch to make the most out of it. The first thing you’ll notice in the language is its similarity to most of the dot-notation base...
These tutorials are created for experienced developers who are new to SwiftUI. You’ll need to know about Swift before you begin, so start by reviewingThe Basicsof the Swift programming language for an overview of syntax, data types, and unique language features, such as optionals. Also review...
Getting Started 配置Metal需要7个步骤: 创建MTLDevice 创建CAMetalLayer 创建顶点缓冲区 创建顶点着色器 创建一个片段着色器 创建一个渲染管道 创建一个命令队列 创建MTLDevice 首先必获取一个MTLDevice的实例。 可以把MTLDevice想象成连接到GPU的桥梁。创建的所有Metal对象都使用这个MTLDevice。
Get started with the Swift Combine framework in this tutorial. Let's study what are Combine publisher, subscriber, operators, subject and publisher-subscriber life cycle; and implement several examples with the Combine framework in Swift 5.
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This time, we’re going to jump from implementation code into tests and then back into implementation code. First, add the following protocol definition toLoginFormViewModel.swift: protocolLoginService{funclogin(_completion:@escaping(Result<User,LoginError>) ->Void) ...
iOS Development iOS is Apple’s mobile OS that runs on an iPhone, iPad, iPod Touch hardware. Apple provides tools and resources for creating iOS apps and accessories for these devices. As an iOS developer, you can program in native languages such as Swift or Objective-C or build cross-plat...