Do you mean that let the file manager broadcast an action and let the MediaScannerReceiver to receive and respond the action?
Besides the implementation of updating the content providers, we are interested more in the design intention of Android's content management - is it a desired way to manipulate the files from file manager directly? Does it violate Android's content provider's design? Thanks, Yangqing. So the desired behavior is to update the content providers to make the data consistent, right? On May 11, 9:54 pm, Filipe Abrantes <filipe.abran...@gmail.com> wrote: > 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 -~----------~----~----~----~------~----~------~--~---
