（一）Andriod概述

一、Andriod Framework

 

1. Application Level

 

<Home, Cameras, Phone, Browser...>

 

2. Application Framework

 

<Activity Manager, Window Manager, Content Providers, View System, Package Manager, Telehpone Manager, Resource Manager, Location Manager, Notification Manager>

 

3. Library & Andriod Runtime

 

<Surface Manager, Media Framework, SQLite, OpenGL, FreeType, Webkit, SGL, SSL, libc>

 

4. Linux Kernal

 

<Display Driver, Camera Driver, Flash Memory Driver, Bandler Driver, Keypad Driver, Wifi Driver, Audio Driver, Power Managerments>

 

二、Andriod VS Iphone

 

1） Andriod

开发平台：PC，MAC，Linux

以Linux为基础

Java

25美元许可证

Web上下载

支持Flash -- 2.2

 

2） iphone

开发平台：Mac

以mac os为基础

Object C

每年99美元

不支持Flash

 

三、Andriod的四个重要部分

 

1. Activitiy --- 门面

2. Intent --- 数据传输

3. Service

4. Content Provider