Download E-books iOS 8 Swift Programming Cookbook: Solutions & Examples for iOS Apps PDF

Posted On March 27, 2017 at 2:49 am by / Comments Off on Download E-books iOS 8 Swift Programming Cookbook: Solutions & Examples for iOS Apps PDF

By Vandad Nahavandipoor

Entirely rewritten for Apple’s fast programming language, this up to date cookbook is helping you triumph over the vexing concerns you’re more likely to face whilst developing apps for iOS devices.

You’ll locate countless numbers of latest and revised recipes for utilizing the iOS eight SDK, together with recommendations for operating with overall healthiness information and HomeKit components, improving and animating portraits, storing and holding info, sending and receiving notifications, and dealing with records and folders between them. every one recipe contains pattern code on GitHub for you to use correct away.

  • Use CloudKit APIs to shop details within the cloud with ease
  • Create customized keyboards and extensions
  • Access clients’ health-related info with HealthKit
  • Interact with add-ons contained in the user’s domestic with HomeKit
  • Create bright and realistic consumer interfaces with UIKit Dynamics
  • Use the Keychain to guard your app’s data
  • Develop location-aware and multitasking-aware apps
  • Work with iOS 8’s audio and video APIs
  • Use occasion package UI to control calendars, dates, and events
  • Take benefit of the accelerometer and the gyroscope
  • Get operating examples for imposing gesture recognizers
  • Retrieve and control contacts and teams from the tackle Book
  • Determine a camera’s availability and entry the picture Library

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Resolution Use the UIWebView type. dialogue an internet view is what the Safari browser makes use of on iOS to load web pages. you may have the complete energy of Safari on your iOS apps throughout the UIWebView category. All you need to do is position an online view in your UI and use considered one of its loading equipment: loadData:MIMEType:textEncodingName:baseURL:Loads an example of NSData into the net view. loadHTMLString:baseURL:Loads an example of NSString into the net view. The string might be legitimate HTML, or in different phrases, whatever that an online browser can render. loadRequest:Loads an example of NSURLRequest. this can be helpful in the event you are looking to load the contents of a distant URL right into a internet view within your program. Let’s see an instance. i want to load the string iOS Programming into the net view. To turn out issues are operating as anticipated and that our net view is in a position to rendering wealthy textual content, i'm going to move forward and make the Programming half daring whereas leaving the remainder of the textual content intact: import UIKit classification ViewController: UIViewController { override func viewDidLoad() { great. viewDidLoad() enable webView = UIWebView(frame: view. bounds) enable htmlString = "
iOS Programming" webView. loadHTMLString(htmlString, baseURL: nil) view. addSubview(webView) } }Another strategy to use an internet view is to load a distant URL into it. For this goal, we will use the loadRequest: procedure. Let’s pass forward and view an instance the place we'll load Apple’s major web page right into a internet view in our iOS app: import UIKit type ViewController: UIViewController { /* disguise the prestige bar to offer the entire display actual property */ override func prefersStatusBarHidden() -> Bool { go back actual } override func viewDidLoad() { great. viewDidLoad() enable webView = UIWebView(frame: view. bounds) webView. scalesPageToFit = precise view. addSubview(webView) permit url = NSURL(string: "http://www. apple. com") allow request = NSURLRequest(URL: url! ) webView. loadRequest(request) view. addSubview(webView) } }It may perhaps take particularly it slow for an internet view to load the contents that you simply move to it. you will have spotted that after loading content material in Safari, you get a bit job indicator within the top-left nook of the reveal telling you that the machine is busy loading the contents. Figure 1-44 exhibits an instance. Figure 1-44. A growth bar indicating a loading strategy iOS accomplishes this via delegation. we'll subscribe because the delegate of an internet view, and the net view will notify us whilst it begins to load content material. whilst the content material is totally loaded, we get a message from the net view informing us approximately this. We do that in the course of the delegate estate of the net view. A delegate of an internet view needs to comply with the UIWebViewDelegate protocol. Let’s pass forward and enforce the little task indicator in our view controller. Please consider that the task indicator is already part of the applying and we don’t need to create it. we will regulate it utilizing the setNetworkActivityIndicatorVisible: approach to UIApplication. So let’s begin: import UIKit classification ViewController: UIViewController, UIWebViewDelegateThen do the implementation.

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