Fix Asteroids game to paint again and give it an icon.

sky/sdk/example/game/main.dart

Index: sky/sdk/example/game/main.dart
diff --git a/sky/sdk/example/game/main.dart b/sky/sdk/example/game/main.dart
index f5e2de9fe94b47e71ad37e8bf0c40886563d51f1..eb74fac46701307d7418173e2247a3a438e381f3 100644
--- a/sky/sdk/example/game/main.dart
+++ b/sky/sdk/example/game/main.dart
@@ -2,7 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'package:sky/mojo/activity.dart' as activity;
 import 'package:sky/mojo/asset_bundle.dart';
+import 'package:sky/theme/colors.dart' as colors;
 import 'package:sky/widgets/basic.dart';
 import 'package:sky/widgets/widget.dart';
 
@@ -34,6 +36,8 @@ main() async {
   _spriteSheet = new SpriteSheet(_loader['assets/sprites.png'], json);
   _app = new GameDemoApp();
 
+  // TODO(viktork): This task bar color is the wrong purple.
+  activity.updateTaskDescription('Asteroids', colors.Purple[500]);

[abarth-chromium, 2015/07/10 20:24:54]

Why not use a widget in the GameDemoApp?

   runApp(_app);
 }