anchor.diff:    // }
   
     UINode buildToolBar() {
  -    return new Rectangle(0xFF00FF00);
  -    // return new StyleNode(
  -    //   new ToolBar(
  -    //     left: new IconButton(
  -    //       icon: 'navigation/menu_white',
  -    //       onGestureTap: _drawerController.toggle),
  -    //     center: new Container(
  -    //       style: _titleStyle,
  -    //       children: [new Text('Stocks')]),
  -    //     right: [
  -    //       new IconButton(
  -    //         icon: 'action/search_white',
  -    //         onGestureTap: _handleSearchBegin),
  -    //       new IconButton(
  -    //         icon: 'navigation/more_vert_white',
  -    //         onGestureTap: _handleMenuShow)
  -    //     ]),
  -    //   _toolBarStyle);
  +    return new ToolBar(
  +        left: new IconButton(
  +          icon: 'navigation/menu_white',
  +          onGestureTap: (_) => true), // _drawerController.toggle),
  +        center: new Text('Stocks'),
  +        right: [
  +          new IconButton(
  +            icon: 'action/search_white',
  +            onGestureTap: _handleSearchBegin),
  +          new IconButton(
  +            icon: 'navigation/more_vert_white',
  +            onGestureTap: _handleMenuShow)
  +        ],
  +        backgroundColor: colorFromCSSHexColorString(Purple[500])
  +      );
     }
   
     // TODO(abarth): Should we factor this into a SearchBar in the framework?
  
positive.code: import 'package:sky/framework/theme/typography.dart' as typography;
  import 'package:sky/framework/theme/colors.dart';
  import 'stock_data.dart';
  // import 'stock_list.dart';
  // import 'stock_menu.dart';
  
  import 'dart:async';
  
  enum StockMode { Optimistic, Pessimistic }
  
  class StocksApp extends App {
  
    // static final Style _toolBarStyle = new Style('''
    //   background-color: ${Purple[500]};''');
  
    // static final Style _searchBarStyle = new Style('''
    //   background-color: ${Grey[50]};''');
  
negative.code: // Use of this source code is governed by a BSD-style license that can be
  // 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';
  import 'package:sky/framework/components2/icon_button.dart';
  // import 'package:sky/framework/components2/input.dart';
  // import 'package:sky/framework/components2/menu_divider.dart';
  // import 'package:sky/framework/components2/menu_item.dart';
  