onPointerDataPacket property Null safety

  1. @override
PointerDataPacketCallback? onPointerDataPacket
override

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

@override
ui.PointerDataPacketCallback? get onPointerDataPacket => _platformDispatcher.onPointerDataPacket;
  1. @override
void onPointerDataPacket=(PointerDataPacketCallback? callback)
override

Implementation

@override
set onPointerDataPacket(ui.PointerDataPacketCallback? callback) {
  _platformDispatcher.onPointerDataPacket = callback;
}