By Abbey Deitel
The specialist programmer’s Deitel® advisor to iPhone® and iPad® app improvement utilizing iOS® 8, Swift™, Xcode® 6, and Cocoa Touch®
This ebook provides modern computing applied sciences for pro software program builders. on the center of the e-book is the Deitel “app-driven approach”– a variation of Deitel’s live-code approach–concepts are awarded within the context of whole operating iOS apps, instead of utilizing code snippets. The advent and app try drives first and foremost of every bankruptcy convey a number of pattern executions. The book’s resource code is accessible at: www.deitel.com/books/iOS8FP1.
You’ll speedy examine every little thing you want to begin construction iOS eight apps–beginning with a test-drive of the end Calculator app in bankruptcy 1, then development your first apps in bankruptcy 2 with visible programming and in bankruptcy three with quick. by the point you achieve bankruptcy nine, you’ll be able to create your personal apps for submission to the App shop. We’ll evaluate the submission procedure, together with importing your apps, figuring out no matter if to promote your apps or provide them at no cost, and advertising and marketing them utilizing in-app advertisements, social media, web public kinfolk and more.
Read Online or Download iOS 8 for Programmers: An App-Driven Approach with Swift (Deitel Developer Series) PDF
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Additional resources for iOS 8 for Programmers: An App-Driven Approach with Swift (Deitel Developer Series)
Within the Library window, make sure that the item library tab () is chosen, then find picture View by means of scrolling or by way of typing snapshot View into the quest box on the backside of the window (Fig. 2. 14). 2. Drag and drop a picture View from the Library onto the scene as proven in Fig. 2. 15. via default, Interface Builder sizes the picture View to fill the scene. Fig. 2. 15 | Dragging a picture View from the article library onto the scene. discover the dashed blue advisor traces that seem as you drag the picture View round the scene. The advisor strains recommend part spacing and alignments that assist you agree to Apple’s Human Interface guidance (HIG), which come with conventions for spacing among elements, part positioning and alignment, gestures used to have interaction with apps and lots more and plenty extra. you could study extra concerning the HIG at: http://bit. ly/iOSMobileHIG 2. five. 6 utilizing Inspectors to Configure the picture View Now you’ll customise the picture View to demonstrate malicious program. png. while you’re designing a UI, the pinnacle of the Utilities sector can have extra tabs for the subsequent inspectors: • id inspector ()—Used to specify an object’s classification and accessibility info and to supply a reputation for the item that looks within the record of gadgets to the left of the scene layout sector. • Attributes inspector ()—Used to customise the chosen object’s attributes, reminiscent of the picture to show in a picture View. • dimension inspector ()—Used to configure an object’s measurement and place. • Connections inspector ()—Use to create connections among code and UI parts (e. g. , to reply to person interactions with specific components). within the scene, click on the picture View you simply further to choose it, then practice the next steps: 1. choose the Attributes inspector tab () within the Utilities region (Fig. 2. 16). Fig. 2. sixteen | photo View attributes within the Attributes inspector tab of the Utilities quarter. 2. within the photograph View part, click on the drop-down arrow to the proper of the picture box and choose the trojan horse picture set that you simply extra to the asset catalog in part 2. five. three because the snapshot to demonstrate. through default, the picture stretches to fill the picture View. three. within the Mode box, pick out point healthy to strength your photograph to slot in the picture View and preserve its point ratio—its unique width-to-height ratio. four. choose the scale inspector () within the Utilities zone. five. switch the peak characteristic to three hundred so the picture View occupies part the scene. 6. switch the Y characteristic to three hundred (half the scene’s height), in order that the picture View’s upper-left nook is situated midway down the scene. you may additionally drag the picture View to the ground half the scene. the picture View may still now seem as proven in Fig. 2. 17. Interface Builder may also create the picture View for you and configure it to exhibit the right kind image—simply drag the picture from the Media library onto the scene, then configure the picture View’s attributes. when you do that, you’ll additionally have to resize the picture View through the use of the sizing handles which are displayed while the picture is chosen (also proven in Fig.