that solved it, tx! i just waited to close the database until after closing the cursor, and no more error. (i had thought that the cursor had a life independent from the database, so very interesting fact!)
On Mar 5, 6:44 pm, Mark Murphy <[email protected]> wrote: > I am skeptical that your error is being caused by this code. Check out: > > http://stackoverflow.com/questions/4195089/what-does-invalid-statemen... > > On Sat, Mar 5, 2011 at 7:21 PM, Marshall Farrier > > > > > > <[email protected]> wrote: > > The following code is supposed to test whether the SelfCursor is empty or > > not and to do different things depending on that result: > > > private void register() { > > > registered = false; > > > db = new ChessDataBaseAdapter(this); > > > db.open(); > > > Cursor c = db.getSelfCursor(); > > > Log.d(TAG, "closing database"); > > > db.close(); > > > if (c.moveToFirst()) { > > > // TODO > > > c.close(); > > > } > > > else { // Player has not yet registered > > > Log.d(TAG, "closing self cursor"); > > > c.close(); > > > startRegistrationActivity(); > > > } > > > } > > > moveToFirst() is supposed to return false if the cursor is empty, and that’s > > what I’m wanting here. But, when my cursor is empty, it’s also causing a > > bothersome error to show up in LogCat: > > > Cursor invalid statement in fillWindow() > > > The program doesn’t crash, but I still don’t like seeing the error. I gather > > that fillWindow() (in AbstractCursor) is supposed to copy data from the > > cursor to the CursorWindow, which is no doubt a problem if there’s nothing > > in the cursor. > > > Is there a good way to test whether my cursor is empty without getting this > > error—i.e., without calling fillWindow()? I first tried c.getCount() > 0 but > > got the same error. Any other ideas? > > > -- > > 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 > > -- > Mark Murphy (a Commons > Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy > > _Android Programming Tutorials_ Version 3.1 Available! -- 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
