From c825237a386d2d050349ac0000df7e98daa38b64 Mon Sep 17 00:00:00 2001
From: Matt Perry <mpcomplete+github@gmail.com>
Date: Mon, 26 Sep 2016 13:35:43 -0400
Subject: [PATCH] Fix improper Input usage in Gallery's Expansion demo. (#6019)

Fixes https://github.com/flutter/flutter/issues/6011
---
 .../lib/demo/expansion_panels_demo.dart        | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/examples/flutter_gallery/lib/demo/expansion_panels_demo.dart b/examples/flutter_gallery/lib/demo/expansion_panels_demo.dart
index 6a3697b95f8..37226a19ff9 100644
--- a/examples/flutter_gallery/lib/demo/expansion_panels_demo.dart
+++ b/examples/flutter_gallery/lib/demo/expansion_panels_demo.dart
@@ -191,17 +191,15 @@ class _ExpansionPanelsDemoState extends State<ExpasionPanelsDemo> {
 
           return new CollapsibleBody(
             margin: const EdgeInsets.symmetric(horizontal: 16.0),
-            child: new Input(
-              hintText: item.hint,
-              labelText: item.name,
-              value: new InputValue(
-                text: item.value
+            child: new Form(
+              child: new Input(
+                hintText: item.hint,
+                labelText: item.name,
+                value: new InputValue(text: item.value),
+                formField: new FormField<String>(
+                  setter: (String val) { item.value = val; }
+                ),
               ),
-              onSubmitted: (InputValue val) {
-                setState(() {
-                  item.value = val.text;
-                });
-              }
             ),
             onSave: close,
             onCancel: close