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While implementing persistent bottom bar, previous route need to be restored when a button in the bottom bar was clicked.
When a button in the bottom bar is clicked, its current route path (/a/b/c) is saved and previously saved route is restored according to the button click.
Conceptually user will think each button as a workspace and its state is never get lost (including back stack). User can safely switch from one workspace to another.
How to get current route path in Flutter, when the routing is rewinding to root?
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Flutter Navigator class The Navigator class provides all the navigation capabilities in a Flutter app. Navigator provides methods to mutate the stack by a push to stack or by popping from the stack. The Navigator. push method is for navigating to a newer page and Navigator.
This should give you the exact route name
ModalRoute.of(context).settings.name if you use Navigator.popuntil.. check this other answer out by Rémi Rousselet https://stackoverflow.com/a/50817399/5921185
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