IOS6.0: 1st basic IOs framework

1. Architecture comparison between MAC and IOS

Mac: Cocoa, Media, Core Service, and Core OS

Ios: Cocoa Touch, Media, Core Service, and Core OS

We can see that the changes in Ios and Mac are mainly different from those in Cocoa Touch. Cocoa Touch allows you to operate events on the screen.

1) Core OS:OS X Kernel, Mach 3.0, BSD, Sockets, Security, Power Manager, Keychain, Certificates, File System, Bonjour

2) Core Service:Collections, Core Locations, Address Book, Net Service, Networking, Threading, File Access, Preferences, SQLite, URL Utilities

3) media:Core Audio, Jpg Png Tiff, Open AL, Pdf, Audio Mixing, Core Animation, Video Playback, OpenGL ES

4) cocoa touch:Multi-Touch Event, Alerts, Multi-Touch Controls, WebView, Accelerometer, People Picker, Localization, View Hierarchy, Image Picker, and Camera. Cocoa Touch is the key to enabling you to trigger screen events.

2. development tools and APIs

Development tools: XCoder and Interface Builder

Frameworks: Foundation, UIKit

Language: Objective-C

3. Cocoa touch Architecture

UIKit: User interfce elements, Application Runtimes, Event handling, Hardware APIs

Foundation: Utility Classes, collection classes, object wrappers for system service, subset of foundation in cocoa