By Maher Ali
With Advanced iOS four Programming, builders have the professional advice they should create awesome functions for Apple's iPhone, iPad, and iPod contact.
Inside, veteran cellular developer Dr. Maher Ali starts off with a starting place advent to target C and Cocoa contact programming, after which publications readers via development apps with Apple's iPhone SDK four – together with insurance of the foremost different types of recent APIs and construction apps for the hot Apple iPad.
This booklet concentrates on illustrating GUI thoughts programmatically, permitting readers to completely take pleasure in the full photo of iOS four improvement with no hoping on Interface Builder. furthermore, Interface Builder is roofed in different chapters.
Advanced iOS four Programming delves into extra complex issues going past the fundamentals of iOS four improvement, delivering complete assurance to help you get your apps to the App shop quicker.
Key beneficial properties include:
- Objective-C programming language and runtime
- Interface Builder
- Building complex cellular consumer interfaces
- Cocoa Touch
- Core Animation and Quartz 2D
- Model-view-controller (MVC) designs
- Developing for the iPad
- Grand imperative 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 complex location-based applications
- Developing database functions 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
Those with a - preﬁx in their deﬁnition) to have access to the single value of this variable shared by all instances of that declared class. If you deﬁne a static variable inside a method, then that method is the only method that has access to that variable. If you put the deﬁnition of the static variable outside the class implementation, then all methods have access to that variable. 2 How do I use other declarations? As a Cocoa developer, you will need to be able to use classes that other developers have written.
Cocoa deﬁnes a third way that allows you to access the instance variables of a class indirectly. This technique is called key-value coding (KVC). KVC is declared in the protocol NSKeyValueCoding. This protocol is implemented by NSObject, the root of all Cocoa objects. At the heart of this protocol, there are two basic methods that you use: (1) setValue:forKey: sets the value of a given key, and (2) valueForKey: retrieves the value of a given key. The valueForKey: method is declared in the protocol as - (id)valueForKey:(NSString *)key Objective-C and Cocoa 45 where key is an ASCII-encoded string that starts with a lowercase letter and does not contain white space.
The value you use to set the property is directly assigned to the instance variable. This is the default. • copy. You use this attribute when you want to store a copy of the object being assigned to your instance variable rather than the reference to that object. , implements the NSCopying protocol). • retain. This speciﬁes that you are interested in putting an ownership claim on this object. The compiler will invoke a retain on this object and assign it to the instance variable. If the caller later released this object, it does not get deallocated because you retained it.
Advanced iOS 4 programming : developing mobile applications for Apple iPhone, iPad, and iPod touch by Maher Ali