Download Advanced iOS 4 programming : developing mobile applications by Maher Ali PDF

By Maher Ali

With Advanced iOS four Programming, builders have the professional information they should create awesome purposes for Apple's iPhone, iPad, and iPod contact.

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

This e-book concentrates on illustrating GUI recommendations programmatically, permitting readers to completely have fun with the whole photo of iOS four improvement with no counting on Interface Builder. furthermore, Interface Builder is roofed in different chapters.

Advanced iOS four Programming delves into extra complicated themes going past the fundamentals of iOS four improvement, offering accomplished assurance to help you get your apps to the App shop quicker.

Key positive aspects 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 primary Dispatch
  • Parsing XML records utilizing SAX, DOM, and TouchXML
  • Working with the Map equipment API
  • Remote and native Push Notification
  • Blocks (closures) in Objective-C
  • Building complicated location-based applications
  • Developing database functions utilizing the SQLite engine
  • GameKit framework

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Read or Download Advanced iOS 4 programming : developing mobile applications for Apple iPhone, iPad, and iPod touch PDF

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Sample text

Nil is basically (Class)0. We also mentioned that a class can be instantiated. An instance of a class A is declared as: A *anObject; There is, however, a defined type in Cocoa that represents an arbitrary object. This type is named id. If anObject does not point to any object, its value is nil. A nil is basically (id)0. SEL is a defined type that represents a selector. To obtain the SEL of a method, aMethod:, use the directive @selector as follows: SEL mySelector = @selector(aMethod:); If you want mySelector to point to a null selector, assign it NULL.

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. However, using the raise method, you can only throw an NSException object. Other than that, both techniques accomplish the same thing.

A string representing the error domain. Different frameworks, libraries, and even classes have different error domains. Examples of error domains are NSPOSIXErrorDomain and NSCocoaErrorDomain. Applications can, and should, create their own unique error domains. If you are creating an error domain, make sure it is unique by prefixing the domain name with the name of the application and your organization’s name. • code. An integer error code that has meaning within the domain. Two NSError objects with the same error code but different domains are different.

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