iOS 9 Swift Programming Cookbook: Solutions and Examples for by Vandad Nahavandipoor

By Vandad Nahavandipoor

All of the instance code for this e-book has been up-to-date at the author's GitHub repository (September 2016).

Ready to construct gorgeous apps for iPhone, iPad, and Apple Watch? This cookbook—completely rewritten with all-new material—provides ninety confirmed options for tackling the newest beneficial properties in iOS nine and watchOS 2.0. Written completely in Apple’s speedy language, those code-rich recipes help you use dynamic person interfaces, interactive maps, multitasking performance, Apple’s new UI trying out framework, and lots of different features.

This cookbook is perfect for intermediate and complex iOS builders trying to paintings with the most recent types of Apple’s cellular working platforms. every one recipe comprises reusable code, on hand on GitHub, that you should positioned to paintings correct away.

  • Work with new beneficial properties in rapid 2, Xcode 7, and Interface Builder
  • Build standalone apps for Apple Watch
  • Create brilliant consumer interfaces with new UIKit features
  • Use fast to hook up with the iOS contacts database
  • Block advertisements or glaring content material with Safari content material Blockers
  • Make your app content material searchable with highlight APIs
  • Add photograph in photograph playback performance to iPad apps
  • Take benefit of MapKit and middle situation updates
  • Use Apple’s new UI trying out framework
  • Liven up your UI with gravity and turbulence fields

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Extra resources for iOS 9 Swift Programming Cookbook: Solutions and Examples for iOS Apps

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Enumerate(){ if let temp = v as? 13 Building Equality Functionality Into Your Own Types Problem You have your own structs and classes and you want to build equality-checking func‐ tionality into them. Solution Build your equality functionality into the protocols to which your types conform. This is the way to go! info | 33 Discussion Let me give you an example. Let’s say that we have a protocol called Named: protocol Named{ var name: String {get} } We can build the equality functionality into this protocol.

17 Bundling and Reading Data in Your Apps Problem You want to bundle device specific data into app. At runtime, you want to easily load the relevant device’s data and use it without having to manually distinguish between devices at runtime. info Solution Follow these steps: 1. In your asset catalogue, tap on the + button and create a new Data Set (see Figure 1-8) Figure 1-8. Data sets contain our raw device-specific data 2. info | 41 Figure 1-9. I have chosen to provide data for the iPad and iPhone in this example 3.

Info | 55 Figure 2-6. 2 Noticing Changes in Pairing State Between the iOS and Watch Apps Problem You want to know, both on the watch and in your companion iOS app, whether there is connectivity between them and whether you can send messages between them. Specifically, you want to find out whether one devic can receive a signal sent from the other. Solution Import the WatchConnectivity framework on both projects. Then use the WCSes sion’s delegate of type WCSessionDelegate to implement the sessionWatchStateDid Change(_:) method on your iOS side and the sessionReachabilityDidChange(_:) method on the watch side.

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