目 录
1 绪论.........................................................................................................................................1
1.1 意义与现状...................................................................................................................1
1.2 背景...............................................................................................................................1
1.3 课题开发内容与目标...................................................................................................2
1.4 论文的结构...................................................................................................................2
2 相关技术介绍.........................................................................................................................3
2.1 技术简介.......................................................................................................................3
2.1.1 JAVA 技术 ..........................................................................................................3
2.1.2 套接字技术概述：.............................................................................................4
2.1.3 同步、异步、阻塞、非阻塞.............................................................................5
2.1.4 C/S 体系结构 ......................................................................................................5
2.1.5 即时通信.............................................................................................................5
2.1.6 JavaBean 技术 .....................................................................................................6
2.1.7 TCP 网络协议 .....................................................................................................6
2.2 开发环境配置...............................................................................................................6
2.2.1 开发工具.............................................................................................................6
2.2.2 搭建聊天软件的开发环境.................................................................................6
2.2.3 安装 Eclipse 平台...............................................................................................7
3 简单即时通信系统可行性分析.............................................................................................7
3.1 技术条件可行性...........................................................................................................7
3.2 其它因素可行性...........................................................................................................8
4 简单即时通信系统分析与设计.............................................................................................8
4.1 系统需求分析...............................................................................................................8
4.2 系统工作流程...............................................................................................................9
4.2.1 工作流程简介.....................................................................................................9
4.2.2 用例描述.............................................................................................................9
4.2.3 功能模块...........................................................................................................10
4.3 系统设计与实现.........................................................................................................11
4.3.1 Activity 的生命周期 .........................................................................................11
4.3.2 外形设计...........................................................................................................14
4.3.3 计时器...............................................................................................................14
4.3.4 TCP 协议 ...........................................................................................................14
