iOS 8 for Programmers: An App-Driven Approach with Swift (Deitel Developer Series)
The expert programmer’s Deitel® consultant to iPhone® and iPad® app improvement utilizing iOS® 8, Swift™, Xcode® 6, and Cocoa Touch®
This publication offers modern computing applied sciences for pro software program builders. on the middle of the publication is the Deitel “app-driven approach”– a variation of Deitel’s live-code approach–concepts are provided within the context of whole operating iOS apps, instead of utilizing code snippets. The creation and app try drives at the start of every bankruptcy exhibit a number of pattern executions. The book’s resource code is offered at: www.deitel.com/books/iOS8FP1.
You’ll speedy research every thing you want to commence construction iOS eight apps–beginning with a test-drive of the end Calculator app in bankruptcy 1, then construction your first apps in bankruptcy 2 with visible programming and in bankruptcy three with speedy. by the point you succeed in bankruptcy nine, you’ll be able to create your personal apps for submission to the App shop. We’ll review the submission procedure, together with importing your apps, figuring out even if to promote your apps or provide them at no cost, and advertising and marketing them utilizing in-app advertisements, social media, web public kin and more.
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Parallel, you could lock your UI elements for a complete storyboard or separately so that they can't be converted by accident. There are 4 locking innovations: • Nothing—You can adjust all of a UI component’s homes. • All Properties—You can’t alter any of a UI component’s homes. • Localizable Properties—You can’t regulate a UI component’s localizable homes (e.g., the textual content of a Label or the accessibility Label and trace for a given UI component). You’d use this selection to proceed.
Interface Builder strategy can reply to person interactions with UI parts. You’ll use Interface Builder to visually attach an motion to a selected user-interface occasion utilizing drag-and-drop suggestions. 3.2.7 acting projects After a View lots while a consumer launches the top Calculator: • Its major storyboard is loaded. • The UI parts are created. • An item of the app’s preliminary view controller type is instantiated. • utilizing info kept within the storyboard, the view.
An outlet property’s name—for instance, billAmountLabel instead of billAmountUILabel. (At the time of this writing, Apple had no longer but released their speedy coding guidelines.) Interface Builder makes it effortless that you should create shops for UI elements by means of keep an eye on dragging from the part into your resource code. to do that, you’ll reap the benefits of the Xcode Assistant editor. Fig. 3.32 | Tip Calculator’s UI parts categorised with their outlet names. commencing the Assistant Editor To create.
4.11(a) exhibits the sharing sheet from the app working on our iPhone. The app stocks a textual content illustration of the quest URL—on our gadget, this prompted iOS to teach concepts for Message, Mail, Twitter, fb and replica. those concepts could vary—for instance, in China the social community Weibo will be displayed. determine 4.11(b) exhibits a prepopulated conversation for posting the shared seek to fb. fb, Twitter and Weibo should be displayed provided that the consumer has entered their account login details.