pull_to_reach_example.dart

  @override
  Widget build(BuildContext context) {
    return PullToReachScope(
      child: Scaffold(
        appBar: AppBar(
          actions: [
            ReachableIcon(
              child: Icon(Icons.search),
              index: 2,
              onSelect: () => _routeToPage("search!"),
            ),
            ReachableIcon(
                child: Icon(Icons.settings),
                index: 1,
                onSelect: () => _routeToPage("settings!")),
          ],
        ),
        body: ScrollToIndexConverter(
          itemCount: 3,
          child: _buildList(),
        ),
      ),
    );
  }