Apple’s Game Center to kill Open Feint and Plus+ social gaming networks?

With over 50,000 gaming titles on the App Store, Apple said it will be forming a social gaming network with features to invite friends, set up matchmaking for multiplayer games, support for leaderboards, and for tracking in game achievements. The feature set is now pretty much standard in the existing social gaming networks such as…

Apple’s iPhone, iPod Touch and iPad to gain multitasking and over 100 new user features this summer

Steve made it again. As Microsoft is going to “copy” Apple’s iPhone banning multitasking for 3rd parties apps, the “most advanced mobile OS in the world” makes another leap forward adding a multitasking implementation that provides a “multitasking experience” to users while preserving battery life. The new release adds 7 services for developers that allow…

Objective-C: Protocols

In Objective-C protocols are used to declare a list of methods that are used or may be implemented in any other class. Protocols are declared with the @protocol directive. They have no curly brackets with variables since they cannot have any variables associated with them.

Objective-C: Categories

Objective-C supports extensions of classes using categories. Class categories are defined similar as the class itself. The example defines a class MyClass. The header file declares variables myString and myInt, and methods setMyString and setMyInt.

NSMutableDictionary simplicity

As you all know an NSDictionary object stores a mutable set of entries. An NSDictionary is immutable. If you need a dictionary which you can change, then you should use NSMutableDictionary. NSMutableDictionary is a subclass of NSDictionary, so that you can do with an NSMutableDictionary everything which you can do with a simple NSDictionary plus, you can modify it.

Introduction to Objective-C

Objective-C is a programming language that allows object-oriented programming at a high level. It is an upgrade to the standard ANSI C programming language. Objective-C extends the standard ANSI C language by providing syntax for defining classes, methods and other constructs extension of classes. Before studying the Objective-C programming language, basic knowledge of programming in…

iTunes Connect: now you can schedule price changes and release dates!

Now you can schedule a series of price changes for those apps that will go into effect automatically on their target dates, effectively being able to plan promotions and do some real marketing on your apps on autopilot once you’ve planned your campaign (standing ovation please!). iTunes Connect is Apple’s developers and publishers portal, which…