Download Advanced iOS 4 Programming: Developing Mobile Applications by Maher Ali PDF

By Maher Ali

With Advanced iOS four Programming, builders have the professional counsel they should create striking functions for Apple's iPhone, iPad, and iPod touch.

Inside, veteran cellular developer Dr. Maher Ali starts with a origin advent to goal C and Cocoa contact programming, after which courses readers via construction apps with Apple's iPhone SDK four – together with assurance of the foremost different types of latest APIs and development apps for the recent Apple iPad.

This publication concentrates on illustrating GUI innovations programmatically, permitting readers to totally relish the total photo of iOS four improvement with no counting on Interface Builder. furthermore, Interface Builder is roofed in numerous chapters.

Advanced iOS four Programming delves into extra complicated subject matters going past the fundamentals of iOS four improvement, delivering finished assurance to help you get your apps to the App shop quicker.

Key good points include:

  • Objective-C programming language and runtime
  • Interface Builder
  • Building complicated cellular person interfaces
  • Collections
  • Cocoa Touch
  • Core Animation and Quartz 2D
  • Model-view-controller (MVC) designs
  • Developing for the iPad
  • Grand important Dispatch
  • Parsing XML files utilizing SAX, DOM, and TouchXML
  • Working with the Map package API
  • Remote and native Push Notification
  • Blocks (closures) in Objective-C
  • Building complicated location-based applications
  • Developing database purposes utilizing the SQLite engine
  • GameKit framework

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Extra resources for Advanced iOS 4 Programming: Developing Mobile Applications for Apple iPhone, iPad, and iPod touch

Example text

Reason: *** -[NSCFArray replaceObjectAtIndex:withObject:]: index (1) beyond bounds (1) Objective-C and Cocoa 41 Creating exceptions There are three important pieces of information that every instance of NSException has: 1. name. A string that identifies the exception. This name has to be unique, relatively short, and never nil. You should never start the names of your exceptions with NS, but start names with something unique to your application and organization. 2. reason. This string attribute is also mandatory.

To process the actual exception, you use a catch() block. ), you enclose these statements in a finally block. But what is an exception and how it is signaled? An exception can be any Cocoa object. However, as a Cocoa developer, you should use NSException or any subclass of it. An exception is signaled by being thrown or raised. Objective-C provides the @throw directive for throwing an exception and the NSException class defines a raise instance method for raising an exception. Using the @throw directive, you can throw any Cocoa object, not just an instance of NSException.

Of course, you will, for most of the time, rely on the compiler to generate the accessor methods and not write them yourself. In some special cases, such as mutable collections, and depending on your application’s requirements, you may want to write some of these accessor methods yourself. 2 Circular references You need to be extra careful when dealing with properties and retaining objects in general. The way you define properties has a direct impact on memory usage and the health of your application.

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