研究报告
标 ..................................................................................................... 5
2.2.3播放列表设计 ..................................................................................................................... 5
2.2.4视频播放的设计 ................................................................................................................. 7
2.2.5音乐播放的设计 ................................................................................................................. 8
3 设计作品展示 ................................................................................................................................ 13
3.1作品截图展示 .............................................................................................................................. 13
3.1.1载有Android的模拟器.................................................................................................... 13
3.1.2音乐和视频选择界面 ....................................................................................................... 14
3.1.3播放列表 ........................................................................................................................... 14
3.1.4音乐播放界面 ................................................................................................................... 15
3.1.5后台播放音乐中 ............................................................................................................... 16
3.1.6视频播放界面 ................................................................................................................... 16
2006级 张 浩 毕业设计
III
基于Android平台多媒体播放器设计与实现 计算机科学与技术 [张 浩]
指导教师 王瑞胡
摘要? 播放多媒体的时候用户启动了其他Activity?这个时候程序要在后台
继续播放?如检测SD卡上文件的变化?或者在后台记录用户的地理信息位置的改
变等。此时则需要用到Android提供的Service?可以通过Activity来启动一个
Service?系统也将保持这个Service一直运行。然后我们就可以把播放程序放到
Service里面运行了?然后通过Activity来调用Service内控制MediaPlayer的
方法来控制播放器?其中传递参数由Intent进行。
关键词? Android?多媒体?Intent?Activity?Service 姓名?张浩
IV Android platform media player based on the design and
implementation -------Android platform on the Analysis and Design
Major: Computer Science and Technology Class: 1
Author: Zhang Hao Supervisor: Wang Ruihu Abstract?When a user starts playing multimedia other Acti
vity, this time program
to continue playing in the background; such as detecting changes in files on SD cards;
or in the background and re