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README
GPL-2.0

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学习交流

  • 讨论学习和资料区:点此进入 :point_left:
  • 移动端即时通讯交流群: 215891622 :point_left:
  • bug/建议发送至:jb2011@163.com
  • 技术支持/合作/咨询请联系作者QQ:413980957

一、简介

MobileIMSDK是一套专为移动端开发的原创即时通讯高可重用框架:

  • 超轻量级、高度提炼,lib包50KB以内;
  • 完全基于UDP协议实现;
  • 客户端支持iOS、Android、标准Java平台;
  • 可应用于跨设备、跨网络的聊天APP、企业OA、消息推送等各种场景。

MobileIMSDK工程始于2013年10月,起初用作某产品的即时通讯底层实现,完全从零开发。
MobileIMSDK现已公开并免费供开发者使用,希望对需要的人有所启发和帮助。

:point_right: 您可能需要:查看更多关于MobileIMSDK的疑问及解答

二、代码托管同步更新

GitHub.com

OsChina.net

三、设计目标

让开发者专注于应用逻辑的开发,底层复杂的即时通讯算法交由SDK开发人员,从而解偶即时通讯应用开发的复杂性

四、框架组成

整套MobileIMSDK框架由以下4部分组成:

  1. Android客户端SDK:用于Android版即时通讯客户端,支持Android 2.3及以上,查看API文档
  2. iOS客户端SDK:用于开发iOS版即时通讯客户端,支持iOS 6.0及以上,查看API文档
  3. Java客户端SDK:用于开发跨平台的PC端即时通讯客户端,支持Java 1.5及以上,查看API文档
  4. 服务端SDK:用于开发即时通讯服和端,支持Java 1.5及以上版本,查看API文档

五、技术特征

  • 超轻量级:高度提炼,lib包50KB以内;
  • UDP实现:更好的适应现今的无线网络环境;
  • 高效费比:UDP的无连接特性,同等条件下可实现更高的网络负载和吞吐能力;
  • 消息走向:支持即时通讯技术中消息的所有可能走向,共3种(即C2C、C2S、S2C);
  • QoS机制:完善的消息送达保证机制,不漏过每一条消息;
  • 健壮可靠:实践表明,非常适于在高延迟、跨洲际、不同网络制式环境中稳定、可靠地运行;
  • 断网恢复:拥有网络状况自动检测、断网自动治愈的能力;
  • 原创算法:核心算法和实现均为原创,保证了持续改进和提升的空间;
  • 多种模式:预设多种实时灵敏度模式,可根据不同场景控制即时性、流量和客户端电量消耗;
  • 数据压缩:自有协议实现,未来可自主定制数据压缩,灵活控制客户端的流量、服务端网络吞吐;
  • 高度封装:高度封装的API接口,保证了调用的简易性,也使得可应用于更多的应用场景。

IMMobileSDK 所支持的全部3种即时通讯消息走向分别是:
(1) Client to Client (C2C):即由某客户端主动发起,接收者是另一客户端;
(2) Client to Server (C2S):即由某客户端主动发起,接收者是服务端;
(3) Server to Client (S2C):即由服务端主动发起,接收者是某客户端。

:point_right: 您可能需要:查看更多关于MobileIMSDK的疑问及解答

六、性能测试

压力测试表明,MobileIMSDK用于推送场景时,理论单机负载可接近千万级。用于聊天应用时,单机负载也可达数十万。

当然,每款应用都有各自的特点和差异,请视具体场景具体评估之,测试数据仅供参考。

:point_right: 性能测试报告:点此查看

七、演示程序

  1. Android客户端 Demo:点此安装和使用
  2. iOS客户端 Demo:点此安装和使用
  3. Java客户端 Demo:点此安装和使用

八、应用案例

① 基于MobileIMSDK的产品级聊天APP:

目前仅作演示之用:点击下载体验查看运行截图

② MobileIMSDK在高网络延迟下的案例:

某款基于MobileIMSDK的商业商品,曾运营于跨洲际的复杂网络环境下,端到端通信延迟在洲际网络繁忙时可高达600ms以上(与服务端的单向延迟约为300ms左右,而通常大家访问国内主流门户的延迟约为20~50ms),某段时期的非敏感运营数据 点此查看

九、资源下载

:paperclip: 最新发布版:点击下载内含完整demo、api文档、编译分发包等)。

十、典型应用场景

:triangular_flag_on_post: 场景1:聊天APP

  • 应用说明:可用于开发类似于微信、QQ等聊天工具。
  • 消息走向:需使用C2C、C2S、S2C全部类型。
  • 特别说明:MobileIMSDK并未定义聊天应用的应用层逻辑和协议,开发者可自行定义并实现之。

:triangular_flag_on_post: 场景2:消息推送

  • 应用说明:可用于需要向客户端实时推送信息的各种类型APP。
  • 消息走向:仅需使用S2C 1种消息走向,属MobileIMSDK的最简单应用场景。

:triangular_flag_on_post: 场景3:企业OA

  • 应用说明:可用于实现企业OA的指令、公文、申请等各种消息实时推送,极大提升用户体验,并可延伸至移动设备。
  • 消息走向:仅需使用S2C 1种消息走向,属MobileIMSDK的最简单应用场景。

:triangular_flag_on_post: 场景4:企业OA的增强型

  • 应用说明:可用于实现企业OA中各种系统级、用户级消息的实时互动,充分利用即时通讯技术提升传统OA的价值。
  • 消息走向:可使用C2C、C2S、S2C全部类型,这与聊天APP在很多方面已无差别,但企业OA有自已的用户关系管理模型和逻辑,较之全功能聊天APP要简单的多。

十一、开发指南

  1. Android客户端开发指南:点此查看
  2. iOS客户端开发指南:点此查看
  3. Java客户端开发指南:点此查看
  4. Server端开发指南:点此查看

十二、授权方式

你可永久免费且自由地使用MobileIMSDK,如:用于研究、学习、甚至商业用途, 但禁止在超越License约束内容的情况下用于商业用途等,请尊重知识产权。

补充说明:如需获得更多技术支持或技术合作请联系作者,QQ:413980957

十三、联系方式

  • 讨论学习和资料区::earth_americas: 点此进入
  • 移动端即时通讯学习交流群:215891622 移动端即时通讯/IM开发更多QQ群点此进入);
  • bug和建议请发送至::love_letter: jb2011@163.com
  • 技术支持、技术合作或咨询请联系作者QQ::penguin: 413980957

十四、关注作者

附录1:Demo截图

:triangular_flag_on_post: Android和iOS运行效果:

安装和使用:进入Android版Demo帮助页进入iOS版Demo帮助页

:triangular_flag_on_post: Windows 运行效果:

安装和使用:进入Java版Demo帮助页

:triangular_flag_on_post: Mac OS X 运行效果:

安装和使用:进入Java版Demo帮助页

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简介

一个专为移动端开发的原创即时通讯框架,超轻量级、高度提炼,完全基于UDP协议,支持iOS、Android、标准Java平台。 展开 收起
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