基于Android平台音乐播放器的设计
毕业论文关键词： Android，Java，音乐播放器，开源系统
The Design of the Music Player Based on Android Platform
Abstract: This article is mainly on Android music player application design and implementation, through further study of the Android platform, so that there is a great deal of development of personalization in the future. The music player used Android open source system technology, Java language and Eclipse development tools to write code. It also gives detailed system design process, part of the interface screenshots, and function of the main flow chart. This article discusses in depth of the problems met and the solutions provided during the developing process. The music player has functions of play, pause, stop, previous song, next song, the lyrics display, and etc. It has proven to perform well and can be run independently on Android. As for the music files, they are being discussed within the application layer but not being researched further.
Keywords: Android, Java, music player，Open source system
目录
1 绪论 1
1.1 课题的背景和意义 1
1.2 课题的研究历史和发展现状 1
1.3 课题研究的主要内容 3
1.4 方案的原理、特点与选择依据 3
2 系统需求分析 5
2.1 功能需求 5
2.1.1 播放器的基本控制需求 5
2.1.2 功能需求（时序图）分析 5
2.2 系统结构图和流程图 7
2.2.1 音乐播放器的系统流程设计 7
2.2.2 系统功能设计和系统功能结构设计 8
2.3 系统界面需求 9
2.4 系统性能需求 9
2.5 运行环境需求 10
3 Android项目介绍 11
3.1 ANDROID 基本框架（ANDROID ARCHITECTURE） 11
3.2 ANDROID应用软件开发的核心技术 12
3.2.1 Android 应用程序组件 12
3.3 ANDROID模拟器中SD卡的创建和文件的上传 14
3.3.1 SD卡的创建 14
3.3.2 向sd卡里面上传文件及异常解决 14
4 Android数据库设计 16
4.1 字段设计 16
4.2 SQLITEDATABASE数据库 17
4.3 数据库连接 18
4.3.1 创建数据库 18
4.3.2 操作数据库 19
4.3.3 数据显示 20