findLastVisibleItemPositionForChat method
Implementation
int findLastVisibleItemPositionForChat() {
/*var r = newitemPositionsListener.itemPositions.value
.where((ItemPosition position) => position.itemTrailingEdge < 1)
.reduce((ItemPosition min, ItemPosition position) =>
position.itemTrailingEdge < min.itemTrailingEdge ? position : min)
.index;
return r < chatList.length ? r + 1 : r;*/
return newitemPositionsListener.itemPositions.value.first.index;
}