Stream<DeviceMotionEvent> onDeviceMotion

Stream of devicemotion events handled by this Window.

Source 

@DomName('Window.ondevicemotion')
@DocsEditable()
// http://dev.w3.org/geo/api/spec-source-orientation.html#devicemotion
@Experimental()
Stream<DeviceMotionEvent> get onDeviceMotion =>
    deviceMotionEvent.forTarget(this);