Add “See also” links to favorite class API docs (#62805)

packages/flutter/lib/src/material/app_bar.dart

@@ -172,6 +172,12 @@ class _ToolbarContainerLayout extends SingleChildLayoutDelegate {
 ///  * [FlexibleSpaceBar], which is used with [flexibleSpace] when the app bar
 ///    can expand and collapse.
 ///  * <https://material.io/design/components/app-bars-top.html>
+///  * Cookbook: [Place a floating app bar above a list](https://flutter.dev/docs/cookbook/lists/floating-app-bar)
+///  * See our
+///    [AppBar Basics sample](https://flutter.dev/docs/catalog/samples/basic-app-bar)
+///    and our advanced samples with app bars with
+///    [tabs](https://flutter.dev/docs/catalog/samples/tabbed-app-bar) or
+///    [custom bottom widgets](https://flutter.dev/docs/catalog/samples/app-bar-bottom).
 class AppBar extends StatefulWidget implements PreferredSizeWidget {
   /// Creates a material design app bar.
   ///

packages/flutter/lib/src/material/colors.dart

@@ -193,6 +193,10 @@ class MaterialAccentColor extends ColorSwatch<int> {
 ///
 /// The [Colors.transparent] color isn't shown here because it is entirely
 /// invisible!
+///
+/// See also:
+///
+///  * Cookbook: [Use themes to share colors and font styles](https://flutter.dev/docs/cookbook/design/themes)
 class Colors {
   // This class is not meant to be instantiated or extended; this constructor
   // prevents instantiation and extension.

packages/flutter/lib/src/material/flat_button.dart

@@ -98,6 +98,7 @@ import 'theme_data.dart';
 ///  * [InkWell], which implements the ink splash part of a flat button.
 ///  * [RawMaterialButton], the widget this widget is based on.
 ///  * <https://material.io/design/components/buttons.html>
+///  * Cookbook: [Build a form with validation](https://flutter.dev/docs/cookbook/forms/validation)
 class FlatButton extends MaterialButton {
   /// Create a simple text button.
   ///

packages/flutter/lib/src/material/list_tile.dart

@@ -654,6 +654,8 @@ enum ListTileControlAffinity {
 ///  * [CheckboxListTile], [RadioListTile], and [SwitchListTile], widgets
 ///    that combine [ListTile] with other controls.
 ///  * <https://material.io/design/components/lists.html>
+///  * Cookbook: [Use lists](https://flutter.dev/docs/cookbook/lists/basic-list)
+///  * Cookbook: [Implement swipe to dismiss](https://flutter.dev/docs/cookbook/gestures/dismissible)
 class ListTile extends StatelessWidget {
   /// Creates a list tile.
   ///

packages/flutter/lib/src/material/raised_button.dart

@@ -101,6 +101,7 @@ import 'theme_data.dart';
 ///  * [InkWell], which implements the ink splash part of a flat button.
 ///  * [RawMaterialButton], the widget this widget is based on.
 ///  * <https://material.io/design/components/buttons.html>
+///  * Cookbook: [Build a form with validation](https://flutter.dev/docs/cookbook/forms/validation)
 class RaisedButton extends MaterialButton {
   /// Create a filled button.
   ///

packages/flutter/lib/src/material/scaffold.dart

@@ -1006,6 +1006,10 @@ class _FloatingActionButtonTransitionState extends State<_FloatingActionButtonTr
 ///    it is shown using the [showModalBottomSheet] function.
 ///  * [ScaffoldState], which is the state associated with this widget.
 ///  * <https://material.io/design/layout/responsive-layout-grid.html>
+///  * Cookbook: [Add a Drawer to a screen](https://flutter.dev/docs/cookbook/design/drawer)
+///  * Cookbook: [Display a snackbar](https://flutter.dev/docs/cookbook/design/snackbars)
+///  * See our
+///    [Scaffold Sample Apps](https://flutter.dev/docs/catalog/samples/Scaffold).
 class Scaffold extends StatefulWidget {
   /// Creates a visual scaffold for material design widgets.
   const Scaffold({

packages/flutter/lib/src/material/text_field.dart

@@ -261,7 +261,6 @@ class _TextFieldSelectionGestureDetectorBuilder extends TextSelectionGestureDete
 ///
 /// See also:
 ///
-///  * <https://material.io/design/components/text-fields.html>
 ///  * [TextFormField], which integrates with the [Form] widget.
 ///  * [InputDecorator], which shows the labels and other visual elements that
 ///    surround the actual text editing widget.
@@ -269,8 +268,11 @@ class _TextFieldSelectionGestureDetectorBuilder extends TextSelectionGestureDete
 ///    [TextField]. The [EditableText] widget is rarely used directly unless
 ///    you are implementing an entirely different design language, such as
 ///    Cupertino.
-///  * Learn how to use a [TextEditingController] in one of our
-///    [cookbook recipe](https://flutter.dev/docs/cookbook/forms/text-field-changes#2-use-a-texteditingcontroller)s.
+///  * <https://material.io/design/components/text-fields.html>
+///  * Cookbook: [Create and style a text field](https://flutter.dev/docs/cookbook/forms/text-input)
+///  * Cookbook: [Handle changes to a text field](https://flutter.dev/docs/cookbook/forms/text-field-changes)
+///  * Cookbook: [Retrieve the value of a text field](https://flutter.dev/docs/cookbook/forms/retrieve-input)
+///  * Cookbook: [Focus and text fields](https://flutter.dev/docs/cookbook/forms/focus)
 class TextField extends StatefulWidget {
   /// Creates a Material Design text field.
   ///

packages/flutter/lib/src/painting/text_style.dart

@@ -391,7 +391,8 @@ const String _kColorBackgroundWarning = 'Cannot provide both a backgroundColor a
 ///  * [TextSpan], the class that wraps a [TextStyle] for the purposes of
 ///    passing it to a [RichText].
 ///  * [TextStyle](https://api.flutter.dev/flutter/dart-ui/TextStyle-class.html), the class in the [dart:ui] library.
-///
+///  * Cookbook: [Use a custom font](https://flutter.dev/docs/cookbook/design/fonts)
+///  * Cookbook: [Use themes to share colors and font styles](https://flutter.dev/docs/cookbook/design/themes)
 @immutable
 class TextStyle with Diagnosticable {
   /// Creates a text style.

packages/flutter/lib/src/widgets/container.dart

@@ -251,6 +251,7 @@ class DecoratedBox extends SingleChildRenderObjectWidget {
 ///  * [Border], which has a sample which uses [Container] heavily.
 ///  * [Ink], which paints a [Decoration] on a [Material], allowing
 ///    [InkResponse] and [InkWell] splashes to paint over them.
+///  * Cookbook: [Animate the properties of a container](https://flutter.dev/docs/cookbook/animation/animated-container)
 ///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
 class Container extends StatelessWidget {
   /// Creates a widget that combines common painting, positioning, and sizing widgets.

packages/flutter/lib/src/widgets/image.dart

@@ -297,7 +297,9 @@ typedef ImageErrorWidgetBuilder = Widget Function(
 ///    material application (especially if the image is in a [Material] and will
 ///    have an [InkWell] on top of it).
 ///  * [Image](dart-ui/Image-class.html), the class in the [dart:ui] library.
-///
+///  * Cookbook: [Display images from the internet](https://flutter.dev/docs/cookbook/images/network-image)
+///  * Cookbook: [Work with cached images](https://flutter.dev/docs/cookbook/images/cached-images)
+///  * Cookbook: [Fade in images with a placeholder](https://flutter.dev/docs/cookbook/images/fading-in-images)
 class Image extends StatefulWidget {
   /// Creates a widget that displays an image.
   ///

packages/flutter/lib/src/widgets/scroll_view.dart

@@ -992,7 +992,7 @@ abstract class BoxScrollView extends ScrollView {
 ///    child.
 ///  * [PageView], which is a scrolling list of child widgets that are each the
 ///    size of the viewport.
-///  * [GridView], which is scrollable, 2D array of widgets.
+///  * [GridView], which is a scrollable, 2D array of widgets.
 ///  * [CustomScrollView], which is a scrollable widget that creates custom
 ///    scroll effects using slivers.
 ///  * [ListBody], which arranges its children in a similar manner, but without
@@ -1000,6 +1000,11 @@ abstract class BoxScrollView extends ScrollView {
 ///  * [ScrollNotification] and [NotificationListener], which can be used to watch
 ///    the scroll position without using a [ScrollController].
 ///  * The [catalog of layout widgets](https://flutter.dev/widgets/layout/).
+///  * Cookbook: [Use lists](https://flutter.dev/docs/cookbook/lists/basic-list)
+///  * Cookbook: [Work with long lists](https://flutter.dev/docs/cookbook/lists/long-lists)
+///  * Cookbook: [Create a horizontal list](https://flutter.dev/docs/cookbook/lists/horizontal-list)
+///  * Cookbook: [Create lists with different types of items](https://flutter.dev/docs/cookbook/lists/mixed-list)
+///  * Cookbook: [Implement swipe to dismiss](https://flutter.dev/docs/cookbook/gestures/dismissible)
 class ListView extends BoxScrollView {
   /// Creates a scrollable, linear array of widgets from an explicit [List].
   ///