摘要：无线网络越来越普及的今天，人们对手机的依赖越来越多，人与人之间的交流几乎都是通过手机，由此产生了很多实时通讯软件。所以开发一个实时通讯软件特别重要。该聊天软件的主要功能：用户注册，登录，好友一对一聊天，还有群组聊天。本软件解决了人们之间的沟通问题。主要技术是环信提供的sdk。这个聊天工具解决了人们之间的交流问题，可以随时随地和朋友进行视频，语音聊天。还有群组聊天，发送图片，定位等功能。开发这个工具使用到的软件是eclipse，开发语言是java。42优尔

毕业论文关键词： 实时通讯；JAVA；聊天；Eclipse

The design and implementation of real time chat tool based on Android platform

Abstract: Nowadays, the wireless network is becoming more and more popular, people rely more and more on the mobile phone, the communication between people is almost through the phone, which produced a lot of real-time communication software. So it is very important to develop a real time communication software. The main functions of the chat software: user registration, login, friends, one to one chat, and group chat. The software solves the problem of communication between people. The main technology is the SDK of the ring. This chat tool to solve the problem of communication between people, can be at any time and at any time and friends to video, voice chat. There are group chat, send pictures, positioning and other functions. The software used to develop this tool is eclipse, the development language is java.

KeyWords：real-time communications; JAVA; Chat; Eclipse 

 目录

1 概述 1

1.1 选题背景 1

1.2 开发实时通讯软件的目的和意义 1

1.3 系统架构 2

1.4 功能特点及优势 2

1.4.1 实时交流作用 2

1.4.2 多人聊天功能 3

1.4.3 智能小助手功能 3

1.5 Android技术 3

1.5.1 Android的基本知识 3

1.5.2 Android的特点 4

2 系统分析 6

2.1 系统分析 6

2.1.1 总体要求 6

2.1.2 可行性分析 6

2.2 系统功能结构 6

2.2.1 用户管理 6

2.2.2 通讯模块 7

2.2.3 设置模块 8

3 系统总体结构设计 10

3.1 概念结构设计 10

3.2