C# => Objective C primer

Nov 2011

Demonstrate example for using header file: method definition

Object type

Demonstrate example for using adhoc object

Method & Messaging

C# void InsertObject(object anObject, int index)

Method & Messaging

Objective-C vs C# + static (class method)- (normal public instance method)

Calling a method

C# myArray.InsertObject(anObject, 0);

Nested messagesTo avoid declaring numerous local variables to store temporary results, Objective-C lets you nest messages.

C#myAppObject.theArray()

return A

C#myAppObject.objectToInsert()

return B

[A insertObject:B atIndex:0]

object method parameter parameter

Use accessor methods (Properties) using dot

PropertiesDeclare – in .h file

Define – in .m file

Pointer: *

NSxxx, CGxxxx

NextStep CoreGraphics

cocos2D objects and methods

Actions