GPS测试工具，通过COM访问GPS设备，实测后可用，可抓到天上卫星信号-GPS testing tools, access to GPS device via COM, measured after the available satellite signals can be caught in heaven

浙江大学Android开发的电子教程，是一门很好的Android入门教程，从Android的背景，到编程实例，深入简出的带你进入Android学习的天堂-An electronic document describes the development of Android, Android is a good introductory tutorial, from the Android' s background, to programming examples, in-depth si