Is this being saved in persistent storage somewhere? On Mon, Oct 24, 2011 at 6:12 PM, RLScott <fixthatpi...@yahoo.com> wrote:
> OK, here is what I propose doing now. I would just like to know if it > is robust or advisable: > > I have a string named "root" that is initialized by my main activity > as: > > root=getFilesDir().getAbsolutePath(); > > And I have a string called "currentFolder" that holds the current > directory. It is initially equal to root, but it can change if the > user changes to a subdirectory. > > When I want to access a document file I use: > > File f = new File(currentFolder, simpleFileName); > > To change the current folder I use: > > currentFolder = dirFile.getParent(); //..to navigate up the folder > tree, or > currentFolder = dirFile.getPath(); //..to navigate down the > folder tree. > > where dirFile is a file representing a directory. > > Now for the "risky" part: I propose to save "relativeCurrentFolder" > defined as: > > relativeCurrentFolder = currentFolder.substring(root.length()); > > This works based on the assumption that root should always be a prefix > of currentFolder. Then when the app initializes, I can reconstruct > currentFolder as: > > currentFolder = root + relativeCurrentFolder; > > That way, if the platform does change in a way that changes root, then > currentFolder will always be properly reconstituted when the app > starts up again. Does this seem risky or robust? > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer hack...@android.com 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 android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
