ToastPositionMapping typedef

ToastPositionMapping = Widget? Function(Widget child, ToastGravity? gravity)

Signature for a function that defines custom position mapping for a toast

child is the toast widget to be positioned. gravity is the gravity option for the toast which can be used to determine the position. The function should return a Widget that defines the position of the toast. If the position is not handled by the custom logic, return null to fall back to default logic.

Implementation

typedef ToastPositionMapping = Widget? Function(
    Widget child, ToastGravity? gravity);