用JAVA语言编写的，基于安卓系统的开发代码，在安卓模拟器上运行之后的结果为一个按钮列表对话框,需搭建好安卓开发平台-Using JAVA language, Android-based development code, running on the Android emulator after the results of a button list dialog box, you need to build a good Android development platform