Material and RaisedButton.

sky/examples/stocks2/lib/stock_app.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:sky/framework/app.dart';
 import 'package:sky/framework/editing2/input.dart';
 import 'package:sky/framework/rendering/box.dart';
 import 'package:sky/framework/theme2/colors.dart' as colors;
 import 'package:sky/framework/widgets/drawer.dart';
 import 'package:sky/framework/widgets/drawer_header.dart';
 import 'package:sky/framework/widgets/floating_action_button.dart';
 import 'package:sky/framework/widgets/icon.dart';
 import 'package:sky/framework/widgets/icon_button.dart';
 import 'package:sky/framework/widgets/menu_divider.dart';
 import 'package:sky/framework/widgets/menu_item.dart';
@@ skipping 180 matching lines @@
       )],
       onDismiss: _handleMenuHide));
   }
 
   UINode build() {
     List<UINode> overlays = [
       new Scaffold(
         toolbar: _isSearching ? buildSearchBar() : buildToolBar(),
         body: new Stocklist(stocks: _stocks, query: _searchQuery),
         floatingActionButton: new FloatingActionButton(
-          content: new Icon(type: 'content/add_white', size: 24),
-          level: 3),
+          child: new Icon(type: 'content/add_white', size: 24)
+        ),
         drawer: _drawerShowing ? buildDrawer() : null
       ),
     ];
     addMenuToOverlays(overlays);
     return new Stack(overlays);
   }
 }
 
 void main() {
   print("starting stocks app!");
   App app = new StocksApp();
   UINodeAppView.appView.onFrame = () {
     // uncomment this for debugging:
     // app.appView.debugDumpRenderTree();
   };
 }