I've got a little question for my Android App. I searched for a long time but found nothing about my problem.

Scenario : I've to display a revert listview (as Facebook Messenger). And when the user scrolls to the top, load more messages.

Problem : After notifiyDataAsChanged() call, the scroll is not the same! I want to conserve exactly the same position as before loading.

I tried that code :

// save index and top position
int index = list.getFirstVisiblePosition()+result.size();
View v = list.getChildAt(index);
int top = (v == null) ? 0 : v.getTop();

// ...
// restore
list.setSelectionFromTop(index, top);

But the scroll is not exactly the same after loading.

Have you got an idea ?

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