...and I don't know about iOS, but I've had this happen at the very worst of times on Android. I've need to click on a dialog in Google Maps to accept a route c

...and I don't know about iOS, but I've had this happen at the very worst of times on Android. I've need to click on a dialog in Google Maps to accept a route change, and just then a pop-over dialog appeared that I accidentally clicked. Now the routing is backgrounded and you have some other app open.