Um well you could also have a service with an interface that returns a ParcelFileDescriptor, so there's another. :)
On Mon, Aug 24, 2009 at 5:18 PM, Zhang Yi <[email protected]> wrote: > > Thanks Dianne. > > I said problem here is because that Android SDK says the content > provider is the only way to share data across applications, but right > now we could share files without content provider. I think files are a > kind of data as well. So it seems that it's a conflict to say content > provider is the only way. > > Thanks, > Yi > > On Aug 25, 3:05 am, Dianne Hackborn <[email protected]> wrote: > > What do you mean a problem? You explicitly created a file that was world > > writeable, and so others can write it. That is the intended behavior. > That > > said, I would strongly encourage you not to use world writeable, since by > > definition that turns off any security for that file. Anyone can write > an > > arbitrary amount of data into it (thus accounted for in your app), > corrupt > > it, etc. > > > > On Sun, Aug 23, 2009 at 11:45 PM, Zhang Yi <[email protected] > >wrote: > > > > > > > > > > > > > Hi guys, > > > > > The Android SDK says that the only way to share data across > > > applications is to use content providers. But I found that the file > > > created with the MODE_WORLD_WRITABLE mode could be accessed directly > > > by other applications, but not through content provider. > > > > > I wrote a application "test" which created a file "test.txt" in > > > the folder "/data/data/$AppName/files" with MODE_WORLD_WRITABLE mode. > > > Then I wrote another application "testFile" to write to this file: > > > > > String text = "/data/data/$AppName/files/test.txt"; > > > FileOutputStream fos = new FileOutputStream(text ); > > > PrintWriter pw; > > > pw = new PrintWriter(fos); > > > pw.print("I am testFile!"); > > > pw.flush(); > > > > > The second application can write the String "I am testFile!" to the > > > test.txt of the first application. This access is not through content > > > provider. > > > > > Is it a problem of Android? > > > > > Thanks, > > > Yi > > > > -- > > Dianne Hackborn > > Android framework engineer > > [email protected] > > > > Note: please don't send private questions to me, as I don't have time to > > provide private support, and so won't reply to such e-mails. All such > > questions should be posted on public forums, where I and others can see > and > > answer them. > > > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
