Notch in BottomAppBar for custom FAB
问题 I'm using UnicornDialer from the unicorndial package to create a Material speed dial experience on the home page of my app, but if I set the shape property to define a notch, then notch is not painted correctly: I noticed on another package (flutter_speed_dial) that this was explicitly mentioned as not working: The SpeedDial widget is built to be placed in the floatingActionButton parameter of the Scaffold widget. It's not possible to set its position with the Scaffold