anchor.diff:  
     // static FlexBoxParentData _flex1 = new FlexBoxParentData()..flex = 1;
   
  -  // Drawer buildDrawer() {
  -  //   return new Drawer(
  -  //     controller: _drawerController,
  -  //     level: 3,
  +  Drawer buildDrawer() {
  +    return new Drawer(
  +      controller: _drawerController,
  +      level: 3
  +  // ,
     //     children: [
     //       new DrawerHeader(children: [new Text('Stocks')]),
     //       new MenuItem(
  
positive.code:     });
    }
  
    // DrawerController _drawerController;
    bool _drawerShowing = false;
  
    void _handleDrawerStatusChanged(bool showing) {
  
negative.code: // found in the LICENSE file.
  
  import 'package:sky/framework/components2/tool_bar.dart';
  import 'package:sky/framework/components2/drawer.dart';
  // import 'package:sky/framework/components2/drawer_header.dart';
  // import 'package:sky/framework/components2/floating_action_button.dart';
  // import 'package:sky/framework/components2/icon.dart';
  