Kookamonga wrote: > I have what seems like a very basic question: how can I maintain the > sorted state of a ListView as new items are added to the list? > > I have a ListView that is populated from a database. Specifically, I > query my database, create an ArrayList of items, and use a custom > ArrayAdapter<MyType> as the adapter of the ListView. > > Now, I understand that I can use ORDER BY in my db query when > initially populating the list. But what about when new items are > inserted? I also understand that I can call the .sort() method on the > ArrayAdapter<...> passing in a Comparator... But does this mean that I > have to call sort every time a new object is added to my database (and > thus, my ListView is updated)? That doesn't seem right. > > The answer here (http://stackoverflow.com/questions/3496137/how-to- > update-a-cursoradapter-tied-to-listview-when-number-of-items-changes) > by JRL seems to indicate that using a CursorAdapter doesn't really > solve the problem either. > > I have searched around but not found an answer to this question. All > I've found is help on how to sort in the first place, for example: > http://groups.google.com/group/android-developers/browse_thread/thread/b21831ed773bf1fa. > > What I need is something like a setSorter(...) method that's available > on certain Eclipse Viewers. Does something like this exist? > > Thanks as usual for your help!
what you need is a CursorAdapter, nothing more pskink -- 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
