add initState, rename animated_container

sky/sdk/lib/editing/input.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 '../painting/text_style.dart';
 import '../widgets/basic.dart';
 import '../widgets/theme.dart';
 import 'editable_string.dart';
 import 'editable_text.dart';
 import 'keyboard.dart';
 
 typedef void ValueChanged(value);
 
 const double _kHintOpacity = 0.26;
 const EdgeDims _kTextfieldPadding = const EdgeDims.symmetric(vertical: 8.0);
 
 class Input extends StatefulComponent {
 
   Input({String key,
          this.placeholder,
          this.onChanged,
          this.focused})
-      : super(key: key) {
-    _editableValue = new EditableString(
-      text: _value,
-      onUpdated: _handleTextUpdated
-    );
-  }
+      : super(key: key);
 
   String placeholder;
   ValueChanged onChanged;
   bool focused = false;
 
+  void initState() {
+    _editableValue = new EditableString(
+      text: _value,
+      onUpdated: _handleTextUpdated
+    );
+    super.initState();
+  }
+
   void syncFields(Input source) {
     placeholder = source.placeholder;
     onChanged = source.onChanged;
     focused = source.focused;
   }
 
   String _value = '';
   bool _isAttachedToKeyboard = false;
   EditableString _editableValue;
 
@@ skipping 55 matching lines @@
       onPointerDown: (_) => keyboard.showByRequest()
     );
   }
 
   void didUnmount() {
     if (_isAttachedToKeyboard)
       keyboard.hide();
     super.didUnmount();
   }
 }