从头梳理传统功能手机的软硬件系统， 以此 为基础，分析当今智能手机的软硬件系统。-Scratch combing the traditional functions of mobile phone hardware and software systems as a basis for analysis of today' s smart phone software and hardware systems.

Android s SDK Instalation

To build the Android source files, you will need to use Linux PC. It s suggested that you use the most recent version of Ubuntu which is the mostly tested OS for an Android build. After installing Linux PC, you need check whether you have all neces