The is a specific interaction pattern used to dismiss contextual menus (like long-press menus, popup menus, or contextual action bars) using the system navigation "Back" command.
: Using the PopupMenu class also handles dismissal out of the box. Android Context Menu Back Button
: On devices with edge-to-edge navigation, a swipe-to-back gesture can occasionally conflict with horizontal scrolling inside a menu or list. Developer Implementation The is a specific interaction pattern used to