AnimatedContainer: generalized Container widget that handles animating values

sky/sdk/example/stocks/lib/stock_home.dart

Index: sky/sdk/example/stocks/lib/stock_home.dart
diff --git a/sky/sdk/example/stocks/lib/stock_home.dart b/sky/sdk/example/stocks/lib/stock_home.dart
index 30471b8a436debe7b9b95d451cb6cae949ad2ac6..8c009ae3551610fa878917e365a5c91a6e1ecd06 100644
--- a/sky/sdk/example/stocks/lib/stock_home.dart
+++ b/sky/sdk/example/stocks/lib/stock_home.dart
@@ -22,6 +22,8 @@ import 'package:sky/widgets/theme.dart';
 import 'package:sky/widgets/tool_bar.dart';
 import 'package:sky/widgets/widget.dart';
 
+import 'package:vector_math/vector_math.dart';
+
 import 'stock_data.dart';
 import 'stock_list.dart';
 import 'stock_menu.dart';
@@ -255,10 +257,16 @@ class StockHome extends StatefulComponent {
   Widget buildSnackBar() {
     if (!_isShowingSnackBar)
       return null;
-    return new SnackBar(
+    Matrix4 transform = new Matrix4.identity();

[Matt Perry, 2015/07/08 20:42:13]

Ignore this. I want to use an AnimatedContainer here eventually, but the
Transform here seems to break hit-testing.

[abarth-chromium, 2015/07/08 21:02:04]

Does that mean you're going to remove this part of the diff before landing?

[Matt Perry, 2015/07/08 21:41:03]

Yep.

+    transform.translate(0.0, -300.0);
+    return new Transform(
+                         transform: transform,
+                         child:
+                         new SnackBar(
       content: new Text("Stock purchased!"),
       actions: [new SnackBarAction(label: "UNDO", onPressed: _handleUndo)]
-    );
+    )
+                        );
   }
 
   void _handleStockPurchased() {