Download E-books Swift Cookbook - 50 Recipes to Help You Harness Swift PDF

Posted On March 30, 2017 at 12:45 pm by / Comments Off on Download E-books Swift Cookbook - 50 Recipes to Help You Harness Swift PDF

By Cecil Costa

Key Features

  • Get accustomed to the beneficial properties of Xcode 6 with speedy to write down code that's shorter, clearer, and runs quicker on this day s multi-core architectures
  • Packed with functional recipes to help you achieve an additional aspect and use Apple s new programming language like a professional
  • Build your portfolio with quick code utilizing this hands-on guide

Book Description

If you've been trying to find a booklet that can assist you strengthen apps for iOS on local iOS structures, this can be the ebook that you have been searching for! This useful consultant will provide you with the development blocks that you should flip to while conceptualizing and writing functions for iOS/OS X. you will grasp quick programming as you move throughout the a variety of recipes during this book.

Starting with recipes that use the fundamental gains, you are going to circulation directly to attention-grabbing and fascinating recipes that would utilize the extra complicated positive factors of quick. you are going to how you can utilize Swift's varied positive factors, from how you can configure your tasks to using layout styles and types of databases. entire with advice and tips on Xcode, this example-based advisor can help you enhance and debug faster.

What you'll learn

  • Install the newest model of Xcode and use all of its tools
  • Develop a multi-language venture utilizing fast, Objective-C, C, and different languages
  • Plan your speedy undertaking and discover the nuts and bolts of the fast syntax
  • Use fast playgrounds to work out and listen to your code's effects as you write it
  • Localize your matters utilizing the LLDB debugger and discover assorted chances of code with rapid playgrounds

About the Author

Cecil Costa, additionally comprehend as Eduardo Campos in Latin international locations, is a Euro-Brazilian freelance developer who has been studying approximately desktops considering the fact that getting his first 286 in 1990. From then on, he stored studying approximately programming languages, machine structure, and computing device technology conception. studying is his ardour in addition to educating; because of this why he labored as a coach, giving on-site classes for firms equivalent to Ericsson, Roche, TVE (a Spanish tv channel), and plenty of different businesses. these days, he additionally teaches via on-line structures, aiding humans from everything of the world.

Table of Contents

  1. Getting all started with Xcode and Swift
  2. Standard Library and Collections
  3. Using Structs and Generics
  4. Design styles with Swift
  5. Multitasking
  6. Playground
  7. Swift Debugging with Xcode
  8. Integrating with Objective-C
  9. Dealing with different Languages
  10. Data Access
  11. Miscellaneous

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Timer?. invalidate() self. remainingTime = frequency. time * 60 self. timer = NSTimer. scheduledTimerWithTimeInterval(1, objective: self, selector: Selector("tick"), userInfo: nil, repeats: real) }) } As you will discover, we'd like a style known as tick, in order to be referred to as each moment. Code it this fashion: func tick(){ var rt = remainingTime! enable formatter = NSDateComponentsFormatter() formatter. unitsStyle = . brief permit elements = NSDateComponents() elements. moment = rt % 60 rt = rt / 60 elements. minute = rt % 60 rt = rt / 60 elements. hour = rt % 24 rt = rt / 24 elements. day = rt if elements. hour > 6 { label. setText("Still have time") }else if parts. hour == zero && parts. minute == zero{ label. setText("A few secs: \(components. second)") }else { label. setText( formatter. stringFromDateComponents(components)) } remainingTime! -- if(remainingTime == 0){ presentControllerWithName("its_time", context: self. context) timer?. invalidate() } } The app is finished. Let's try out it by means of altering the present scheme to bankruptcy eleven pink tablet WatchKit App and click play. you want to see a conversation just like the one proven the following: decide on 2 mins, which was once performed only for trying out and wait till you get your alert. the way it works... when you have ever labored with or studied distant gadgets similar to Corba or Java RMI, the assumption of Apple Watch may well sound customary to you. The Apple Watch app on its own does not execute your code, it really is performed in your iPhone during the WatchKit extension, and quite a few info is saved at the Apple Watch, equivalent to the storyboard and alertness assets. As you will see, the part periods are assorted, for instance, rather than UIViewController, now we have WKInterfaceController, and rather than UILabel, we've WKInterfaceLabel. a few tools are diverse; for instance, the interface controller initializes its attributes at the awakeWithContext strategy instead of viewDidLoad. there is more... there's one part known as WKInterfaceTimer, which matches as a label with NSTimer like we did. during this recipe, we used WKInterfaceLabel with NSTimer since it is extra versatile, and you may customise the textual content that's in your part. WatchKit has extra gains equivalent to notifications and look. attempt to take a look at the reliable documentation at https://developer. apple. com/library/ios/documentation/General/Conceptual/WatchKitProgrammingGuide/index. html#//apple_ref/doc/uid/TP40014969. within the subsequent recipe, we'll go back to iOS and the best way to use the digital camera to take photographs. including results for your images it's incredible how cellphones have changed conventional photograph cameras. I keep in mind once we used to take a digital camera purely to important occasions and these days, our cameras follows us in every single place. we will say that the cell phone has long past even additional; you could take an image of your self at the cellphone, edit it, and percentage it along with your family and friends. during this recipe, we'll take an image together with your telephone and edit it in an easy method. preparing As we'll use the equipment digicam for this recipe, you'll want a actual gadget for trying out this app.

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