diff --git a/packages/flutter/lib/src/widgets/animated_list.dart b/packages/flutter/lib/src/widgets/animated_list.dart index 73a251bca7..f792eb5ece 100644 --- a/packages/flutter/lib/src/widgets/animated_list.dart +++ b/packages/flutter/lib/src/widgets/animated_list.dart @@ -44,6 +44,8 @@ class _ActiveItem implements Comparable<_ActiveItem> { /// use the static [of] method from an item's input callback. /// /// This widget is similar to one created by [ListView.builder]. +/// +/// {@youtube 560 315 https://www.youtube.com/watch?v=ZtfItHwFlZ8} class AnimatedList extends StatefulWidget { /// Creates a scrolling container that animates items when they are inserted or removed. const AnimatedList({ diff --git a/packages/flutter/lib/src/widgets/basic.dart b/packages/flutter/lib/src/widgets/basic.dart index 8b07d9d73a..b0b722976d 100644 --- a/packages/flutter/lib/src/widgets/basic.dart +++ b/packages/flutter/lib/src/widgets/basic.dart @@ -4253,6 +4253,8 @@ class Column extends Flex { /// [Flex] must contain only [StatelessWidget]s or [StatefulWidget]s (not other /// kinds of widgets, like [RenderObjectWidget]s). /// +/// {@youtube 560 315 https://www.youtube.com/watch?v=CI7x0mAZiY0} +/// /// See also: /// /// * [Expanded], which forces the child to expand to fill the available space. diff --git a/packages/flutter/lib/src/widgets/drag_target.dart b/packages/flutter/lib/src/widgets/drag_target.dart index 1e5a1f876a..191d1f68a5 100644 --- a/packages/flutter/lib/src/widgets/drag_target.dart +++ b/packages/flutter/lib/src/widgets/drag_target.dart @@ -87,6 +87,8 @@ enum DragAnchor { /// [childWhenDragging] when one or more drags are underway. Otherwise, this /// widget always displays [child]. /// +/// {@youtube 560 315 https://www.youtube.com/watch?v=QzA4c4QHZCY} +/// /// See also: /// /// * [DragTarget] diff --git a/packages/flutter/lib/src/widgets/value_listenable_builder.dart b/packages/flutter/lib/src/widgets/value_listenable_builder.dart index 30a397425e..45a69e96d8 100644 --- a/packages/flutter/lib/src/widgets/value_listenable_builder.dart +++ b/packages/flutter/lib/src/widgets/value_listenable_builder.dart @@ -25,6 +25,8 @@ typedef ValueWidgetBuilder = Widget Function(BuildContext context, T value, W /// listener of the [ValueListenable] and call the [builder] with updated values /// when the value changes. /// +/// {@youtube 560 315 https://www.youtube.com/watch?v=s-ZG-jS5QHQ} +/// /// ## Performance optimizations /// /// If your [builder] function contains a subtree that does not depend on the