1.Android，iOS，后台开发，界面美化 2.软件文档，需求分析，概要设计，详细设计 3.面向对象思想，尤其是抽象、继承、封装 4.手机开发的mvc思想(1.Android, iOS, background development, interface landscaping, 2. software documentation, requirements analysis, outline design, detailed design of 3. object-oriented th