一个关于在ArcGIS4Android的实例，实现在手机上绘制个中图形，包括点线面，矩形，圆形，手绘多边形等等，还可以实现二维面积的量算-In ArcGIS4Android instance, draw on the phone in graphics, including point, line and plane, rectangular, round, hand-painted, polygons, etc., you can also implement the two-dimensio

本项目是一个局域网聊天项目源码，能支持 语音，录音，文件，文字功能。需要两部手机在同一局域网内才可以测试，使用了UDP协议和TCP协议，项目整体比较完整，不过在录音发送部分还有些bug。-This project is a local area network chat project source code, can support voice, sound recording, document, text function. Requires two mobile phones in th

Contains two clients receive link-level communications program, Robustness, superior performance, Application of small area variance comparison, simple procedures.