Creates a widget that detects gestures.
By default, gesture detectors contribute semantic information to the tree that is used by assistive technology.
Source
RawGestureDetector({ Key key, this.child, this.gestures: const <Type, GestureRecognizerFactory>{}, this.behavior, this.excludeFromSemantics: false }) : super(key: key) { assert(gestures != null); assert(excludeFromSemantics != null); }