I have a menu with four options. Each time a menu item is focused, an API is hit for the specific menu. If a user switches focus between different menu at a faster rate I need to stop the task created for the previously focused menu. How can I do that? I am showing a menu using a RowList on MainScene. The menu switching takes place on rowItemFocused of row list. So anything I need to do has to be done from the main scene.