扫描设备文件

上传者: deng0zhaotai | 上传时间: 2021-04-13 23:22:47 | 文件大小: 1.30MB | 文件类型: ZIP
Android系统提供了MediaScanner,MediaProvider,MediaStore等接口,通过Content Provider的方式提供给用户。当设备开机或者有SD卡插拔等事件发生时,系统将会自动扫描SD卡和手机内存上的媒体文件,如audio,video,图片等,将相应的信息放到定义好的数据库表格中。在这个程序中,我们不需要关心如何去扫描手机中的文件,只要了解如何查询和使用这些信息就可以了。

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资源详情

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评论信息

  • lgj1991 :
    很不错,非常有用
    2015-11-05
  • a5320602720 :
    这个挺好的,很好用
    2015-08-14
  • LeonXtp :
    有用,帮到我了
    2015-05-15
  • u014019484 :
    很齐全,很实用啊
    2014-03-21
  • 编码很酷 :
    不错啊,非常有用。
    2013-12-17

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