In my app, my main class extends ListActivity and calls a fillData()
function to reload the list whenever changes are made. I'm still
getting the hang of this, so I borrowed that concept from the Android
Notepadv1-Notepadv3 tutorials. Everything works great, however
whenever I need to change the list (remove an item, re-sort it, edit
an item), the ListView refreshes and loses its scroll position. The
scroll position is reset to the top after each fillData() call.
I saw the following thread a similar issue, but can't wrap my head
around the solution:
http://groups.google.com/group/android-developers/browse_thread/threa...
It appears to be resetting the scroll position to the top because I'm
using setListAdapter() each time in fillData(), setting it to a new
SimpleCursorAdapter. How can I get the list to "update in place",
where the scroll position is seamlessly maintained to the user? I
tried heading down the "items.changeCursor(cursor)" path, but that
didn't seam to do much for me. Any help would be appreciated. Here's
the code:
private void fillData(boolean sortOption) {
Cursor itemCursor = mDbHelper.fetchAllItems(sortOption);
startManagingCursor(itemCursor);
String[] from = new String[] { DbA.KEY_ITEM, DbA.DESCRIPTION,
DbA.KEY_CHECKED };
int[] to = new int[] { R.id.itemText, R.id.itemDescription,
R.id.content };
SimpleCursorAdapter items = new SimpleCursorAdapter
(this,R.layout.item_row, itemCursor, from, to);
items.setViewBinder(new ItemBinder());
setListAdapter(items);
}
