Without the added "| ShowAbout status ->" the modal page won't show up.
Without the added "popped = fun args -> dispatch (ShowAbout false)" using the back button (hardware or navigation) will cause every other dispatch call to re-push the "About" page.
Without the added "| ShowAbout status ->" the modal page won't show up. Without the added "popped = fun args -> dispatch (ShowAbout false)" using the back button (hardware or navigation) will cause every other dispatch call to re-push the "About" page.