目
录
.................................................................................................1
.................................................................................................2
2.3.1 乘客用例图..........................................................................................................3
2.3.2 服务员用例图......................................................................................................4
.....................................................................7
3.2 Dalvik 虚拟机................................................................................................................7
3.3 Android 的进程管理机制..............................................................................................8
3.4 应用程序层....................................................................................................................9
3.5 系统开发环境与数据库选择........................................................................................9
...............................................................................................11
4.2.1 数据字典............................................................................................................12
4.2.2 物理模型............................................................................................................14
III