Native Phone Development 101

Native iPhone Development 101 Sasmito Adibowo adib (at) basil-salad dot com http://www.basil-salad.com 3-Nov-2009

Agenda Getting Started What’s available to you Accessing Web Services Apple’s App Store Beyond the App Store Hello World Demo

What do you need Minimum Good to have An Intel Mac with An iPhone or iPod Leopard or Snow touch Leopard iPhone Developer iPhone SDK (free membership download) A bank account Some free time and (SWIFT) patience

The iPhone Stack Cocoa Touch WebKit Objective-C Runtime Core*** Frameworks ANSI C Runtime ANSI C++ Runtime OpenGL ES Unix (BSD Variant), 32-bit ARM

Network Environment

Programming Languages Objective-C Superset of C Dynamic Binding Cocoa Touch C/C++ JavaScript

Class Declaration #import <Foundation/Foundation.h> @interface ThisIsAClass : NSObject { @public ! // public data variables @protected ! // protected data variables @private ! // private data variables ! } // a message handler -(void) doSomeThingAt:(id) whatever optionsAre:(NSDictionary*) options; @end

Class Implementation #import "ThisIsAClass.h" @implementation ThisIsAClass -(void) doSomeThingAt:(id) whatever optionsAre:(NSDictionary*) options { ! if ([whatever respondsToSelector:@selector(sayHello:)]) { ! ! [whatever sayHello:options]; ! } } @end

What you can do Floating-point math Network (TCP/IP) in & out Threads Accelerated 3D graphics C++ Programming Memory-mapped ﬁles — BSD mmap() STL included Control iPod playback Access the Address Book (new in OS 3.0) Compose e-mail Write to the Photo Library

What you can’t do Run in the background Intercept phone calls / SMSs / e-mails Forking / multitasking Create self-modifying Access the Calendar code Read user’s e-mail Access other application’s data area

Cocoa Touch MVC design pattern Non-overlapping window Buttons, etc Web Browser Map Browser

Accessing Web Services Built-in support JSON Property List Talk 3rd party SOAP RemObjects

JavaScript Object Notation (JSON) { "firstName": "John", List of Values in "lastName": "Smith", "address": { JavaScript syntax "streetAddress": "21 2nd Street", "city": "New York", "state": "NY", Useful if you have a "postalCode": "10021" }, JavaScript interpreter "phoneNumbers": [ ready { "type": "home", "number": "212 555-1234" }, { "type": "fax", iPhone has one! ] "number": "646 555-4567" } }

JSON Example Your iApp UIWebView Your Server HTTP Request JSON Response JSON String Data Values

Property List Talk <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" Apple’s ﬁrst-class XML ! "http://www.apple.com/DTDs/ PropertyList-1.0.dtd"> format <plist version="1.0"> <dict> <key>Year Of Birth</key> <integer>1965</integer> Can be easily <key>Pets Names</key> <array/> generated by a PHP <key>Picture</key> <data> script ! PEKBpYGlmYFCPA== </data> <key>City of Birth</key> <string>Springfield</string> Built-in conversion to <key>Name</key> <string>John Doe</string> Cocoa objects <key>Kids Names</key> <array> ! <string>John</string> NSDictionary* dic = [NSDictionary ! <string>Kyra</string> dictionaryWithContentsOfURL:...]; </array> </dict> </plist>

HTTP-Plist Example Your iApp NSDictionary Your Server [NSDictionary dictionaryWithContentsOfURL:...] HTTP Request Property List response new Dictionary object

Case Study: Fund Watch Display fund prices from Fundsupermart* Screen scraper JavaScript-based HTML parser Derived from Fundsupermart Dashboard Widget *Fund Watch is not associated with Fundsupermart

Fund Watch Parser Fund Watch UIWebView fundsupermart.com Load JavaScript library Request fund prices page HTML Page Parse HTML Page Fund prices

The App Store Accessible via iTunes 3rd party screen scrapers The only way to sell your native apps 50K+ apps and counting Requires a developer’s account

Selling your Apps 1. Register for an iPhone Developer account 2. Get your bank’s SWIFT code 3. Prepare IRS documents 1. Fill and submit SS-4 “Request for EIN” to IRS 2. Wait for your EIN from IRS 3. Fill form W8-BEN and submit to Apple 4. Fill the Paid Applications Contract 5. Register SWIFT code to Apple 6. Upload your paid applications to Apple’s iTunes Connect

Beyond the App Store Advertisement Admob Analytics Pinch Media Social Networking OpenFeint

Pinch Analytics

OpenFeint

Hello, World!

The End http://basil-salad.com

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Native Phone Development 101

by Sasmito Adibowo on Nov 03, 2009

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Native Phone Development 101 — Presentation Transcript