Download E-books Application Development with Swift PDF

Posted On March 25, 2017 at 8:45 am by / Comments Off on Download E-books Application Development with Swift PDF

Develop hugely effective and attractive iOS functions through the use of the fast language

About This Book

  • Develop a sequence of functions with fast utilizing the improvement kits and new/updated APIs
  • Use the hot beneficial properties of iOS eight so as to add new style on your applications
  • A hands-on advisor with specific code snippets to assist you in constructing strong fast applications

Who This ebook Is For

If you're an iOS developer with adventure in Objective-C, and need to strengthen functions with quick, then this publication is perfect for you. Familiarity with the basics of rapid is an extra virtue yet now not a necessity.

What you'll Learn

  • Use playgrounds in Xcode to make the writing of fast code efficient and easy
  • Get accustomed to the complex positive factors of fast and make entire use of them on your code
  • Add a brand new approach for authentication in your app utilizing contact ID
  • Develop health-related apps utilizing HealthKit
  • Take your apps to the following point of functionality and power utilizing Metal
  • Develop purposes for wearables utilizing WatchKit
  • Use Notification heart to simply entry your whole notifications
  • Make your clients units extra fashionable by utilizing Apple's integrated quickly style keyboard, rather than the local one

In Detail

After years of utilizing Objective-C for constructing apps for iOS/Mac OS, Apple now deals a brand new, inventive, effortless, and cutting edge programming language for software improvement, known as speedy. fast makes iOS program improvement a breeze via supplying pace, safeguard and gear for your program improvement strategy. fast is straightforward to profit and has impressive good points reminiscent of being open resource, debugging,interactive playgrounds, blunders dealing with version, etc. quick has simplified its reminiscence administration with computerized Reference Counting (ARC) and it truly is appropriate with Objective-C.

This e-book has been created to supply you with the data and talents you should use the recent programming language quick. The e-book begins with an advent to quick and code constitution. Following this, you'll use playgrounds to get to grips with the language very quickly. Then the e-book takes you thru the complex positive factors provided by means of fast and the way to exploit them along with your outdated Objective-C code or initiatives. you are going to then discover ways to use quick in actual initiatives by way of protecting APIs reminiscent of HealthKit, steel, WatchKit, and contact identification in every one bankruptcy. The book's effortless to persist with constitution guarantees you get the easiest begin to constructing functions with Swift.

Style and approach

The booklet achieves its finish target by means of dividing its content material into components. half 1 will take the readers, who're new to fast, via its structure and fundamentals. half 2 of the publication will conceal content material on program improvement with Swift.

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Now we see an instance of the way to percentage info in future health shop. during this instance, while the person clicks at the weight row, a pop-up view can be displayed, the place the consumer should input his new weight. Then, the consumer can retailer this worth within the HealthKit shop. Let's begin with the UI to realize click desk cells and exhibit the pop-up view. To discover, click UITableViewCell, we'll upload the didSelectRowAtIndexPath functionality, as follows: override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) { if indexPath. row == 2{ //Weight cellphone enable alertController = UIAlertController(title: "Your present weight", message: nil, preferredStyle: UIAlertControllerStyle. Alert) alertController. addTextFieldWithConfigurationHandler({ (textField:UITextField) -> Void in textField. keyboardType = UIKeyboardType. DecimalPad }) alertController. addAction(UIAlertAction(title: "Ok", kind: UIAlertActionStyle. Default, handler: { (alertAction:UIAlertAction) -> Void in if enable textField = alertController. textFields?. first { allow worth = (textField. textual content! as NSString). doubleValue self. saveWeightInStore(value) } tableView. deselectRowAtIndexPath(indexPath, lively: actual) })) alertController. addAction(UIAlertAction(title: "Cancel", variety: UIAlertActionStyle. Cancel, handler: { (alertAction) -> Void in tableView. deselectRowAtIndexPath(indexPath, lively: real) })) self. presentViewController(alertController, lively: actual, of entirety: nil) } } We checked first that the chosen row is the load row after which displayed UIAlertController with UITextField to go into the recent peak. while the consumer clicks on okay, we'll take the hot price and put it aside in HealthKit shop utilizing the functionality saveWeightInStore(value) that we are going to now enforce. Now that the recent weight worth is prepared, let's enforce the saveWeightInStore(newValue) functionality: func saveWeightInStore(weight:Double){ permit gramUnit = HKUnit. gramUnit() enable volume = HKQuantity(unit: gramUnit, doubleValue: weight * one thousand. zero) allow weightType = HKQuantityType. quantityTypeForIdentifier (HKQuantityTypeIdentifierBodyMass) allow now = NSDate() enable pattern = HKQuantitySample(type: weightType! , volume: volume, startDate: now, endDate: now) currentHealthStore. saveObject(sample) { (success, errors) - > Void in if luck{ self. updateUsersWeight() } else{ print("Error in saving \(error)") } } } to avoid wasting any information within the well-being shop, you'll want to organize the HKQuantitySample example that takes the quantityType parameter, which here's weightType. Then we even have the volume kind parameter which we created utilizing the gram unit and the price. We expanded the worth via a thousand. zero to transform it into grams. Then, we known as the saveObject strategy in currentHealthStore, to avoid wasting the information in shop, and, if the saving operation succeeded, we refreshed the UI with the recent worth by means of calling the updateUsersWeight procedure. precis during this bankruptcy, we lined intimately the best way to start with HealthKit. We defined the belief of the HealthKit framework, and the way to accommodate delicate info.

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