onPointerDown property
Called when a pointer comes into contact with the screen (for touch pointers), or has its button pressed (for mouse pointers) at this widget's location.
Implementation
final PointerDownEventListener? onPointerDown;
Called when a pointer comes into contact with the screen (for touch pointers), or has its button pressed (for mouse pointers) at this widget's location.
final PointerDownEventListener? onPointerDown;