onPointerDataPacket property Null safety
A callback that is invoked when pointer data is available.
The framework invokes this callback in the same zone in which the callback was set.
See also:
- GestureBinding, the Flutter framework class which manages pointer events.
Implementation
PointerDataPacketCallback? get onPointerDataPacket => _onPointerDataPacket;
Implementation
set onPointerDataPacket(PointerDataPacketCallback? callback) {
_onPointerDataPacket = callback;
_onPointerDataPacketZone = Zone.current;
}