Notification alerts appear in the spot normally used for the estimated time of arrival (ETA), so they don’t block the navigation route. They allow users to make a simple choice about how to respond to the alert.
The user is using your app.
|Where action is performed
|Step count after action
|While the user is navigating, the app learns about a traffic event ahead on the route.
|A navigation alert appears instead of the ETA to warn the user and offer an option to reroute, while a progress indicator tracks the time until automatic dismissal of the alert.
|Navigation template (refresh)
|The alert is dismissed after it times out.
|Navigation template (second refresh)