这是一个文档，希望对开发者有所帮助，希望大家可以一起学习-This is a documentation

android开发的几个基础实例，包括了情景模式，文件管理器，通讯录，音乐播放器，天气预报，个人地图，Widget日历等。-android development basis of several examples, including a scene mode, the file manager, address book, music player, weather forecast, personal map widget calendar.