iPhone Camp Birmingham (Bham) - Intro To iPhone Development

Intro to iPhone Development Andria Jensen Co-Owner of Appsolute Genius http://www.appsolutegenius.com andria@appsolutegenius.com @andriajensen @appsolutegenius

Why ?!? •over 35 million devices •instant audience •over $2.4B in sales each year •Apple gives you all the tools to be successful - you just have to use them!

Because it’s fun ...and maybe you’ll make a little money

How do I start? •Get an Intel-based Mac and iPhone or iPod Touch •Create a developer account •Download the SDK & XCode

Ok..now what? •Research •Learn •Start coding •Seriously....just start coding!!

Learn what? •Objective-C •Model-View-Controller pattern •Interface Builder •NS Libraries •Human Interface Guidelines (HIG)

Learn how? •Read the documentation •Look for tutorials online •http://developer.apple.com/iphone •Read a book •Ask questions!!

Objective-C •superset of the C language •can use C++ (but not recommended) •no garbage collection

Square Brackets •bracket syntax == [self doSomething] •dot syntax == self.myProperty •self.myProperty==[self myProperty]

Objective-C •Arguments are denoted with colons •May be named, but not required - (void) drawBoxWithHeight:(float)height andWidth:(float)width; - (void)viewDidLoad { [self.navigationController setNavigationBarHidden:YES]; [self drawBoxWithHeight:5.0 andWidth:10.0]; [super viewDidLoad]; }

Objective-C •Everything comes from NSObject •@interface - class declaration •@property @interface User : NSObject { NSString *name; NSString *email; NSString *phone; } @property (nonatomic, retain) NSString *name; @property (nonatomic, retain) NSString *email; @property (nonatomic, retain) NSString *phone; @end

Model-View-Controller How bout an MVC song??? http://www.youtube.com/watch?v=YYvOGPMLVDo

Interface Builder •IBAction - links your functions to your controls’ actions •IBOutlet - links your properties to controls in your interface

Views •Everything is a UIView •One window with multiple views •Controls are subclassed views •320x480

Hello World! •Let’s see the demo already... •You can see this in much more step-by-step detail at: http://developer.apple.com/iphone/library/documentation/ iPhone/Conceptual/iPhone101/Articles/00_Introduction.html

Questions? • Contact me • andria@appsolutegenius.com • @andriajensen • @appsolutegenius

iPhone Camp Birmingham (Bham) - Intro To iPhone Development

by andriajensen on Dec 12, 2009

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iPhone Camp Birmingham (Bham) - Intro To iPhone Development — Presentation Transcript