文章首先介绍了Android手机开发平台。然后,对在该平台上的MP3播放器做了详细的需求分析。根据Android平台的结构特点,对MP3播放器做了两部分的分析和设计,窗口设计,定义了窗口属性和关联窗口处理程序;另一部分是功能的实现,我们主要是在连接的。最后,基于Android移动开发平台,功能仿真和验证了MP3播放器。 Article first introduced the Android mobile phone development platform. Then, on the platform of the MP3 player to do a detailed needs analysis. According to the structural characteristics of the Android platform, the MP3 player has done two parts of the analysis and design of the window design, the definition of the window properties and associated window handling procedures; the other part is the realization of the function, we are mainly connected. Finally, based on the Android mobile development platform, the function emulates and verifies the MP3 player.