Make the keyboard reappear when you tap on a text field after having dismissed the keyboard.

sky/framework/components/input.dart

Index: sky/framework/components/input.dart
diff --git a/sky/framework/components/input.dart b/sky/framework/components/input.dart
index c75bfb6aed910f85d60adf8e3d6c3c9273499fd6..8ed2f0d37c69fefcda057a32a7c310ece78ec8b8 100644
--- a/sky/framework/components/input.dart
+++ b/sky/framework/components/input.dart
@@ -8,6 +8,7 @@ import '../editing/keyboard.dart';
 import '../fn.dart';
 import '../theme/colors.dart';
 import '../theme/typography.dart' as typography;
+import 'dart:sky' as sky;
 
 typedef void ValueChanged(value);
 
@@ -82,10 +83,13 @@ class Input extends Component {
 
     children.add(new EditableText(value: _editableValue, focused: focused));
 
-    return new Container(
-      style: _style,
-      inlineStyle: focused ? _focusedInlineStyle : null,
-      children: children
+    return new EventListenerNode(
+      new Container(
+        style: _style,
+        inlineStyle: focused ? _focusedInlineStyle : null,
+        children: children
+      ),
+      onPointerDown: (sky.Event e) => keyboard.showByRequest()
     );
   }
 }