diff --git a/dev/snippets/config/templates/README.md b/dev/snippets/config/templates/README.md
index 3aad9ebceb..e52a341223 100644
--- a/dev/snippets/config/templates/README.md
+++ b/dev/snippets/config/templates/README.md
@@ -65,6 +65,11 @@ follows:
   This is a simple template for which you provide everything.  It has no code of
   its own, just the sections for `imports`, `main`, and `preamble`. You must
   provide the `main` section in order to have a `main()`.
+  
+### WidgetsApp Templates
+
+These templates create a `WidgetsApp` that encloses the snippet widget. These templates import
+the widgets library.
 
 - [`stateful_widget`](stateful_widget.tmpl) :
   The default code block will be placed as the body of the `State` object of a
@@ -77,7 +82,10 @@ follows:
   `build()` method, and any state variables. It also has an `imports`
   section to import additional packages. Please only import things that are part
   of flutter or part of default dependencies for a `flutter create` project.
-  It creates a `WidgetsApp` around the child stateful widget.
+  
+- [`stateful_widget_ticker`](stateful_widget_ticker.tmpl) : Identical to the
+  `stateful_widget` template, with the addition of the `TickerProviderStateMixin`
+  class, enabling easy generation of animated samples.
 
 - [`stateless_widget`](stateless_widget.tmpl) : Identical to the
   `stateful_widget` template, except that the default code block is
@@ -85,21 +93,23 @@ follows:
   `StatelessWidget`. The `@override` before the build method is added by
   the template, so must be omitted from the sample code.
 
-- [`stateful_widget_material`](stateful_widget_material.tmpl) : Similar to
-  `stateful_widget`, except that it imports the material library, and uses
-  a `MaterialApp` instead of `WidgetsApp`.
+### MaterialApp Templates
 
-- [`stateless_widget_material`](stateless_widget_material.tmpl) : Similar to
-  `stateless_widget`, except that it imports the material library, and uses
-  a `MaterialApp` instead of `WidgetsApp`.
+These templates follow the same conventions as the `WidgetsApp` templates above, but use a
+`MaterialApp` instead. These templates import the  material library.
 
-- [`stateful_widget_scaffold`](stateful_widget_scaffold.tmpl) : Similar to
-  `stateful_widget_material`, except that it wraps the stateful widget with a
-  `Scaffold`.
+- [`stateful_widget_material`](stateful_widget_material.tmpl)
+  
+- [`stateful_widget_material_ticker`](stateful_widget_material_ticker.tmpl)
+
+- [`stateless_widget_material`](stateless_widget_material.tmpl)
+
+- [`stateful_widget_scaffold`](stateful_widget_scaffold.tmpl) : Adds a `Scaffold` widget as the home
+  of the enclosing `MaterialApp` to wrap the stateful widget snippet. The `Scaffold` widget contains
+  an `AppBar`.
 
 - [`stateful_widget_scaffold_center`](stateful_widget_scaffold_center.tmpl) : Similar to
-  `stateful_widget_scaffold`, except that it wraps the stateful widget with a
-  `Scaffold` _and_ a `Center`.
+  `stateful_widget_scaffold`, except that it wraps the stateful widget with a `Center`.
 
 - [`stateful_widget_scaffold_center_freeform_state`](stateful_widget_scaffold_center_freeform_state.tmpl) :
   Similar to `stateful_widget_scaffold_center` except that the code block has
@@ -111,6 +121,23 @@ follows:
   `Scaffold`.
 
 - [`stateless_widget_scaffold_center`](stateless_widget_scaffold_center.tmpl) : Similar to
-  `stateless_widget_scaffold`, except that it wraps the stateless widget with a
-  `Scaffold` _and_ a `Center`.
+  `stateless_widget_scaffold`, except that it wraps the stateless widget with a `Center`.
 
+### CupertinoApp Templates
+
+These templates follow the same conventions as the `WidgetsApp` templates above, but use a
+`CupertinoApp` instead. These templates import the  cupertino library.
+  
+- [`stateful_widget_cupertino`](stateful_widget_cupertino.tmpl)
+  
+- [`stateful_widget_cupertino_ticker`](stateful_widget_cupertino_ticker.tmpl)
+  
+- [`stateless_widget_cupertino`](stateless_widget_cupertino.tmpl)
+  
+- [`stateful_widget_cupertinoPageScaffold`](stateful_widget_cupertino_page_scaffold.tmpl) : Similar to
+  `stateful_widget_cupertino`, except that it wraps the stateful widget with a
+  `CupertinoPageScaffold`.
+  
+- [`stateless_widget_cupertinoPageScaffold`](stateless_widget_cupertino_page_scaffold.tmpl) : Similar to
+  `stateless_widget_cupertino`, except that it wraps the stateless widget with a
+  `CupertinoPageScaffold`.
diff --git a/dev/snippets/config/templates/freeform.tmpl b/dev/snippets/config/templates/freeform.tmpl
index 99a2bf7f70..704c42126c 100644
--- a/dev/snippets/config/templates/freeform.tmpl
+++ b/dev/snippets/config/templates/freeform.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
diff --git a/dev/snippets/config/templates/stateful_widget.tmpl b/dev/snippets/config/templates/stateful_widget.tmpl
index a6ee714ab2..8a077f708b 100644
--- a/dev/snippets/config/templates/stateful_widget.tmpl
+++ b/dev/snippets/config/templates/stateful_widget.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/widgets.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
@@ -30,7 +30,7 @@ class MyStatefulWidget extends StatefulWidget {
   _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
 }
 
-// This is the private State class that goes with MyStatefulWidget.
+/// This is the private State class that goes with MyStatefulWidget.
 class _MyStatefulWidgetState extends State<MyStatefulWidget> {
   {{code}}
 }
diff --git a/dev/snippets/config/templates/stateful_widget_cupertino.tmpl b/dev/snippets/config/templates/stateful_widget_cupertino.tmpl
new file mode 100644
index 0000000000..e90f29dd4c
--- /dev/null
+++ b/dev/snippets/config/templates/stateful_widget_cupertino.tmpl
@@ -0,0 +1,37 @@
+/// Flutter code sample for {{element}}
+
+{{description}}
+
+import 'package:flutter/cupertino.dart';
+
+{{code-imports}}
+
+void main() => runApp(new MyApp());
+
+/// This is the main application widget.
+class MyApp extends StatelessWidget {
+  static const String _title = 'Flutter Code Sample';
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoApp(
+      title: _title,
+      home: MyStatefulWidget(),
+    );
+  }
+}
+
+{{code-preamble}}
+
+/// This is the stateful widget that the main application instantiates.
+class MyStatefulWidget extends StatefulWidget {
+  MyStatefulWidget({Key key}) : super(key: key);
+
+  @override
+  _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
+}
+
+/// This is the private State class that goes with MyStatefulWidget.
+class _MyStatefulWidgetState extends State<MyStatefulWidget> {
+  {{code}}
+}
diff --git a/dev/snippets/config/templates/stateful_widget_cupertino_page_scaffold.tmpl b/dev/snippets/config/templates/stateful_widget_cupertino_page_scaffold.tmpl
new file mode 100644
index 0000000000..e6120c4cef
--- /dev/null
+++ b/dev/snippets/config/templates/stateful_widget_cupertino_page_scaffold.tmpl
@@ -0,0 +1,40 @@
+/// Flutter code sample for {{element}}
+
+{{description}}
+
+import 'package:flutter/cupertino.dart';
+
+{{code-imports}}
+
+void main() => runApp(new MyApp());
+
+/// This is the main application widget.
+class MyApp extends StatelessWidget {
+  static const String _title = 'Flutter Code Sample';
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoApp(
+      title: _title,
+      home: CupertinoPageScaffold(
+        navigationBar: CupertinoNavigationBar(middle: const Text(_title)),
+        child: MyStatefulWidget(),
+      ),
+    );
+  }
+}
+
+{{code-preamble}}
+
+/// This is the stateful widget that the main application instantiates.
+class MyStatefulWidget extends StatefulWidget {
+  MyStatefulWidget({Key key}) : super(key: key);
+
+  @override
+  _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
+}
+
+/// This is the private State class that goes with MyStatefulWidget.
+class _MyStatefulWidgetState extends State<MyStatefulWidget> {
+  {{code}}
+}
diff --git a/dev/snippets/config/templates/stateful_widget_cupertino_ticker.tmpl b/dev/snippets/config/templates/stateful_widget_cupertino_ticker.tmpl
new file mode 100644
index 0000000000..a847c821ea
--- /dev/null
+++ b/dev/snippets/config/templates/stateful_widget_cupertino_ticker.tmpl
@@ -0,0 +1,38 @@
+/// Flutter code sample for {{element}}
+
+{{description}}
+
+import 'package:flutter/cupertino.dart';
+
+{{code-imports}}
+
+void main() => runApp(new MyApp());
+
+/// This is the main application widget.
+class MyApp extends StatelessWidget {
+  static const String _title = 'Flutter Code Sample';
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoApp(
+      title: _title,
+      home: MyStatefulWidget(),
+    );
+  }
+}
+
+{{code-preamble}}
+
+/// This is the stateful widget that the main application instantiates.
+class MyStatefulWidget extends StatefulWidget {
+  MyStatefulWidget({Key key}) : super(key: key);
+
+  @override
+  _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
+}
+
+/// This is the private State class that goes with MyStatefulWidget.
+/// AnimationControllers can be created with `vsync: this` because of TickerProviderStateMixin.
+class _MyStatefulWidgetState extends State<MyStatefulWidget> with TickerProviderStateMixin {
+  {{code}}
+}
diff --git a/dev/snippets/config/templates/stateful_widget_material.tmpl b/dev/snippets/config/templates/stateful_widget_material.tmpl
index 01731d57e2..6607a95f62 100644
--- a/dev/snippets/config/templates/stateful_widget_material.tmpl
+++ b/dev/snippets/config/templates/stateful_widget_material.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';
 
@@ -23,6 +23,7 @@ class MyApp extends StatelessWidget {
 
 {{code-preamble}}
 
+/// This is the stateful widget that the main application instantiates.
 class MyStatefulWidget extends StatefulWidget {
   MyStatefulWidget({Key key}) : super(key: key);
 
@@ -30,6 +31,7 @@ class MyStatefulWidget extends StatefulWidget {
   _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
 }
 
+/// This is the private State class that goes with MyStatefulWidget.
 class _MyStatefulWidgetState extends State<MyStatefulWidget> {
   {{code}}
 }
diff --git a/dev/snippets/config/templates/stateful_widget_material_ticker.tmpl b/dev/snippets/config/templates/stateful_widget_material_ticker.tmpl
index 89197e21a2..1680912606 100644
--- a/dev/snippets/config/templates/stateful_widget_material_ticker.tmpl
+++ b/dev/snippets/config/templates/stateful_widget_material_ticker.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';
 
@@ -23,6 +23,7 @@ class MyApp extends StatelessWidget {
 
 {{code-preamble}}
 
+/// This is the stateful widget that the main application instantiates.
 class MyStatefulWidget extends StatefulWidget {
   MyStatefulWidget({Key key}) : super(key: key);
 
@@ -30,6 +31,8 @@ class MyStatefulWidget extends StatefulWidget {
   _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
 }
 
+/// This is the private State class that goes with MyStatefulWidget.
+/// AnimationControllers can be created with `vsync: this` because of TickerProviderStateMixin.
 class _MyStatefulWidgetState extends State<MyStatefulWidget> with TickerProviderStateMixin {
   {{code}}
 }
diff --git a/dev/snippets/config/templates/stateful_widget_scaffold.tmpl b/dev/snippets/config/templates/stateful_widget_scaffold.tmpl
index d8968a0133..03fa3eaa50 100644
--- a/dev/snippets/config/templates/stateful_widget_scaffold.tmpl
+++ b/dev/snippets/config/templates/stateful_widget_scaffold.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';
 
@@ -26,6 +26,7 @@ class MyApp extends StatelessWidget {
 
 {{code-preamble}}
 
+/// This is the stateful widget that the main application instantiates.
 class MyStatefulWidget extends StatefulWidget {
   MyStatefulWidget({Key key}) : super(key: key);
 
@@ -33,6 +34,7 @@ class MyStatefulWidget extends StatefulWidget {
   _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
 }
 
+/// This is the private State class that goes with MyStatefulWidget.
 class _MyStatefulWidgetState extends State<MyStatefulWidget> {
   {{code}}
 }
diff --git a/dev/snippets/config/templates/stateful_widget_scaffold_center.tmpl b/dev/snippets/config/templates/stateful_widget_scaffold_center.tmpl
index 5317ccf108..2c557df5c8 100644
--- a/dev/snippets/config/templates/stateful_widget_scaffold_center.tmpl
+++ b/dev/snippets/config/templates/stateful_widget_scaffold_center.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';
 
@@ -28,6 +28,7 @@ class MyApp extends StatelessWidget {
 
 {{code-preamble}}
 
+/// This is the stateful widget that the main application instantiates.
 class MyStatefulWidget extends StatefulWidget {
   MyStatefulWidget({Key key}) : super(key: key);
 
@@ -35,6 +36,7 @@ class MyStatefulWidget extends StatefulWidget {
   _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
 }
 
+/// This is the private State class that goes with MyStatefulWidget.
 class _MyStatefulWidgetState extends State<MyStatefulWidget> {
   {{code}}
 }
diff --git a/dev/snippets/config/templates/stateful_widget_scaffold_center_freeform_state.tmpl b/dev/snippets/config/templates/stateful_widget_scaffold_center_freeform_state.tmpl
index cc9fba7587..de21e80231 100644
--- a/dev/snippets/config/templates/stateful_widget_scaffold_center_freeform_state.tmpl
+++ b/dev/snippets/config/templates/stateful_widget_scaffold_center_freeform_state.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';
 
@@ -28,6 +28,7 @@ class MyApp extends StatelessWidget {
 
 {{code-preamble}}
 
+/// This is the stateful widget that the main application instantiates.
 class MyStatefulWidget extends StatefulWidget {
   MyStatefulWidget({Key key}) : super(key: key);
 
@@ -35,4 +36,5 @@ class MyStatefulWidget extends StatefulWidget {
   _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
 }
 
+/// This is the private State class that goes with MyStatefulWidget.
 {{code}}
diff --git a/dev/snippets/config/templates/stateful_widget_ticker.tmpl b/dev/snippets/config/templates/stateful_widget_ticker.tmpl
new file mode 100644
index 0000000000..bd6e5b8f8b
--- /dev/null
+++ b/dev/snippets/config/templates/stateful_widget_ticker.tmpl
@@ -0,0 +1,37 @@
+/// Flutter code sample for {{element}}
+
+{{description}}
+
+import 'package:flutter/widgets.dart';
+
+{{code-imports}}
+
+void main() => runApp(new MyApp());
+
+/// This is the main application widget.
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return WidgetsApp(
+      title: 'Flutter Code Sample',
+      home: MyStatefulWidget(),
+      color: const Color(0xffffffff),
+    );
+  }
+}
+
+{{code-preamble}}
+
+/// This is the stateful widget that the main application instantiates.
+class MyStatefulWidget extends StatefulWidget {
+  MyStatefulWidget({Key key}) : super(key: key);
+
+  @override
+  _MyStatefulWidgetState createState() => _MyStatefulWidgetState();
+}
+
+/// This is the private State class that goes with MyStatefulWidget.
+/// AnimationControllers can be created with `vsync: this` because of TickerProviderStateMixin.
+class _MyStatefulWidgetState extends State<MyStatefulWidget> with TickerProviderStateMixin {
+  {{code}}
+}
diff --git a/dev/snippets/config/templates/stateless_widget.tmpl b/dev/snippets/config/templates/stateless_widget.tmpl
index 43901db1bc..ca4faed5a1 100644
--- a/dev/snippets/config/templates/stateless_widget.tmpl
+++ b/dev/snippets/config/templates/stateless_widget.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/widgets.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
diff --git a/dev/snippets/config/templates/stateless_widget_cupertino.tmpl b/dev/snippets/config/templates/stateless_widget_cupertino.tmpl
new file mode 100644
index 0000000000..42d2475c63
--- /dev/null
+++ b/dev/snippets/config/templates/stateless_widget_cupertino.tmpl
@@ -0,0 +1,33 @@
+/// Flutter code sample for {{element}}
+
+{{description}}
+
+import 'package:flutter/cupertino.dart';
+
+{{code-imports}}
+
+void main() => runApp(new MyApp());
+
+/// This is the main application widget.
+class MyApp extends StatelessWidget {
+  static const String _title = 'Flutter Code Sample';
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoApp(
+      title: _title,
+      home: MyStatelessWidget(),
+    );
+  }
+}
+
+
+{{code-preamble}}
+
+/// This is the stateless widget that the main application instantiates.
+class MyStatelessWidget extends StatelessWidget {
+  MyStatelessWidget({Key key}) : super(key: key);
+
+  @override
+  {{code}}
+}
diff --git a/dev/snippets/config/templates/stateless_widget_cupertino_page_scaffold.tmpl b/dev/snippets/config/templates/stateless_widget_cupertino_page_scaffold.tmpl
new file mode 100644
index 0000000000..eeb4a6a3aa
--- /dev/null
+++ b/dev/snippets/config/templates/stateless_widget_cupertino_page_scaffold.tmpl
@@ -0,0 +1,36 @@
+/// Flutter code sample for {{element}}
+
+{{description}}
+
+import 'package:flutter/cupertino.dart';
+
+{{code-imports}}
+
+void main() => runApp(new MyApp());
+
+/// This is the main application widget.
+class MyApp extends StatelessWidget {
+  static const String _title = 'Flutter Code Sample';
+
+  @override
+  Widget build(BuildContext context) {
+    return CupertinoApp(
+      title: _title,
+      home: CupertinoPageScaffold(
+        navigationBar: CupertinoNavigationBar(middle: const Text(_title)),
+        body: MyStatelessWidget(),
+      ),
+    );
+  }
+}
+
+
+{{code-preamble}}
+
+/// This is the stateless widget that the main application instantiates.
+class MyStatelessWidget extends StatelessWidget {
+  MyStatelessWidget({Key key}) : super(key: key);
+
+  @override
+  {{code}}
+}
diff --git a/dev/snippets/config/templates/stateless_widget_material.tmpl b/dev/snippets/config/templates/stateless_widget_material.tmpl
index a79076f2c2..00a73dfe32 100644
--- a/dev/snippets/config/templates/stateless_widget_material.tmpl
+++ b/dev/snippets/config/templates/stateless_widget_material.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';
 
diff --git a/dev/snippets/config/templates/stateless_widget_scaffold.tmpl b/dev/snippets/config/templates/stateless_widget_scaffold.tmpl
index 977f106dac..8da692c5b0 100644
--- a/dev/snippets/config/templates/stateless_widget_scaffold.tmpl
+++ b/dev/snippets/config/templates/stateless_widget_scaffold.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';
 
diff --git a/dev/snippets/config/templates/stateless_widget_scaffold_center.tmpl b/dev/snippets/config/templates/stateless_widget_scaffold_center.tmpl
index 42dce92594..d8dca54235 100644
--- a/dev/snippets/config/templates/stateless_widget_scaffold_center.tmpl
+++ b/dev/snippets/config/templates/stateless_widget_scaffold_center.tmpl
@@ -1,4 +1,4 @@
-// Flutter code sample for {{element}}
+/// Flutter code sample for {{element}}
 
 {{description}}
 
@@ -8,7 +8,7 @@ import 'package:flutter/material.dart';
 
 void main() => runApp(new MyApp());
 
-/// This Widget is the main application widget.
+/// This is the main application widget.
 class MyApp extends StatelessWidget {
   static const String _title = 'Flutter Code Sample';