All apps have the concept of moving from one screen to another. The user clicks the cart button, and we go to the card screen. The user clicks “continue shopping” button, and we get to browse for more products to buy. Some app developers call it routing. Others call it navigation. Whatever you want to call it, this is one area that Flutter makes really easy because there are only four ways of navigating:
Stacks – Each widget is full screen. The user taps a button to go through a predefined workflow. History is maintained, and they can travel back one level by hitting a back button.
Drawers ...
