Learning iPad Programming: A Hands-on Guide to Building iPad Apps with iOS 5

By Kirby Turner, Tom Harrington

Learning iPad Programming walks you thru the method of creating PhotoWheel (free at the App Store), a photograph administration and sharing app that leverages each point of iOS five. With PhotoWheel, you could arrange your favourite photographs into albums, percentage images with friends and family, view them in your television utilizing AirPlay and an Apple television, and most significantly, achieve hands-on event with development an iPad app. As you construct PhotoWheel, you’ll how one can reap the benefits of the newest positive factors in iOS five and Xcode, together with Storyboarding, automated Reference Counting (ARC), and iCloud. better of all, you’ll how one can expand the limits of your app via speaking with net companies. for you to construct apps for the iPad, Learning iPad Programming is the single ebook to get.

 

As you construct PhotoWheel, you’ll find out how to

 

  • Install and configure Xcode 4.2 in your Mac
  • Master the fundamentals of Objective-C, and find out about reminiscence administration with ARC
  • Build an absolutely practical app that makes use of middle facts and iCloud for picture sharing and synchronization
  • Use Xcode’s new Storyboard characteristic to speedy prototype a practical UI, after which expand that UI with code
  • Create multitouch gestures and combine center Animation for a distinct UI adventure
  • Build customized perspectives, and use view controllers to accomplish customized view transitions
  • Add AirPrint, e mail, and AirPlay functions in your app
  • Apply picture filters and results utilizing middle snapshot Diagnose and connect insects with tools arrange your app for submission to the app store

 

Download the unfastened model of PhotoWheel from the App shop at the present time! proportion your images with buddies and add to iCloud, all whereas studying tips to construct the app.

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You could examine Objective-C with none earlier C wisdom. * * * Hands-On with Objective-C how to study Objective-C is to exploit it, and that’s what you'll do now. you will create an easy coin toss program that runs within the Terminal window. penning this app may help you achieve perception into Objective-C. Let’s start by means of launching Xcode. subsequent, create a brand new Command Line device app. you could decide on both the “Create a brand new Xcode venture” choice at the Welcome to Xcode display, proven in determine four. 1, otherwise you can decide on dossier > New > New undertaking (Shift--N) from the menu bar. determine four. 1. Welcome to Xcode window you must create a console app. A console app runs from the command line within the Terminal window. iOS doesn't aid command-line functions, so that you are looking to decide upon the Command Line instrument undertaking template discovered below the Mac OS X staff, proven in determine four. 2. decide upon this template, then click on the following button. determine four. 2. decide upon the Command Line instrument template. identify the undertaking “CoinToss. ” pick out starting place because the style (Figure four. 3). This creates a console software that hyperlinks to the root framework. you are going to research extra approximately this and different frameworks in bankruptcy five, “Getting begun with Cocoa. ” ensure the Use automated Reference Counting choice is grew to become on. this feature is defined later during this bankruptcy. click on subsequent to proceed. determine four. three. venture strategies retailer the venture on your resource listing. when you do not need a resource listing but, create one. you've spotted the choice to create a neighborhood Git repository on the backside of the display proven in determine four. four. Git is a well-liked disbursed model keep an eye on method. Xcode has integrated aid for either Git and Subversion, one other well known model keep an eye on process. except you're already accustomed to Git, go away this selection unmarked. The pattern code during this booklet doesn't require using a model regulate procedure. determine four. four. retailer the venture in your resource listing. ensure the undertaking used to be appropriately created by way of doing a construct (-B), then run (-R). this may construct and run the app, which screens “Hello, global! ” to the console window, as visible in determine four. five. as the app is a command-line software, you won't see the output until you could have the output window open within the Debug sector. you could open the output window through typing Shift--C. determine four. five. Output window exhibiting “Hello, global! ” from the console app Let’s Write a few Code With the undertaking in position, it’s time to write down a few code. within the venture navigator, open the dossier major. m. C courses consistently commence with a main() functionality, that is present in the most. m dossier. despite the fact that, the most. m dossier is your first trace that you're utilizing Objective-C. interval resource records have . c because the dossier extension. Objective-C resource records use . m because the dossier extension. locate and delete the road of code that reads NSLog(@"Hello international! ") and upload the next code as an alternative: int randomValue = (arc4random()%10) + 1; // Returns an int among 1 and 10. if (randomValue % 2) { NSLog(@"Heads"); } else { NSLog(@"Tails"); } The resource code for major.

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