You have ways of updating the content providers. Have a look in the MediaScanner.
Cheers, Filipe Yangqing wrote: > Android uses a different way than the traditional desktop operating > system to store data - through the content provider, and Android does > not provide a built-in file manager. But there is still a demand on > file manager on Android device, for example, deleting files on the SD > card to free space, etc. > > While trying to develop a file manager, we do find that deleting files > from the file manager may break some applications data integrity, for > example, for the media files(audio/video), besides the media file in > the file system, Android media provider also record some meta-data in > the media provider database, deleting the file from the file system > will not automatically update the records in the media database, the > consequence is that the user can still see the content in the music or > gallery application though the file associated with it has already > been removed. One possible solution would be to broadcast the message > and let the appropriate application, for example, the media scanner, > to update the database, or another way - let the file manager call > media content provider interface to delete the content. > > We are wondering whether it is a correct decision to develop a file > manager for an Android device from the software architecture point of > view. Anything to care about from the security perspective? How about > if we limit the access only to the SD card? > > Thanks, > Yangqing. > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "android-framework" group. To post to this group, send email to android-framework@googlegroups.com To unsubscribe from this group, send email to android-framework+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-framework?hl=en -~----------~----~----~----~------~----~------~--~---
