Moved two animation vignettes into misc. (#425)

animations/README.md

@@ -1,10 +1,10 @@
 # Animation Samples
-Sample apps that showcasing Flutter's animation features
+Sample apps that showcase Flutter's animation features
 
 ## Goals
 
-- Demonstrate the building blocks for animations and how they work together
-- Provide samples for common patterns and use-cases
+- Demonstrate the building blocks for animations and how they work together.
+- Provide samples for common patterns and use-cases.
 
 ## Samples
 
@@ -12,38 +12,40 @@ Sample apps that showcasing Flutter's animation features
 
 Building blocks and patterns
 
-1. **AnimatedContainerDemo** Demonstrates how to use `AnimatedContainer`.
-2. **PageRouteBuilderDemo** Demonstrates how to use `Tween` and `Animation` to
-*build a custom page route transition.
-3. **AnimationControllerDemo** Demonstrates how to use an `AnimationController`.
-4. **TweenDemo** Demonstrates how to use a `Tween` with an
-`AnimationController`.
-5. **AnimatedBuilderDemo** Demonstrates how to use an `AnimatedBuilder` with an
-`AnimationController`.
-6. **CustomTweenDemo** Demonstrates how to extend `Tween`.
-7. **TweenSequenceDemo** Demonstrates how to use `TweenSequence` to build a
-button that changes between different colors.
-8. **FadeTransitionDemo** Demonstrates how to use `FadeTransition`.
-9. **AnimatedPositionedDemo** Demonstrates how to use `AnimatedPositioned`.
-10. **AnimatedSwitcherDemo** Demonstrates how to use `AnimatedSwitcher`. 
+1. **AnimatedContainerDemo**: Demonstrates how to use `AnimatedContainer`.
+2. **PageRouteBuilderDemo**: Demonstrates how to use `Tween` and `Animation` to
+   build a custom page route transition.
+3. **AnimationControllerDemo**: Demonstrates how to use an
+   `AnimationController`.
+4. **TweenDemo**: Demonstrates how to use a `Tween` with an
+   `AnimationController`.
+5. **AnimatedBuilderDemo**: Demonstrates how to use an `AnimatedBuilder` with an
+   `AnimationController`.
+6. **CustomTweenDemo**: Demonstrates how to extend `Tween`.
+7. **TweenSequenceDemo**: Demonstrates how to use `TweenSequence` to build a
+   button that changes between different colors.
+8. **FadeTransitionDemo**: Demonstrates how to use `FadeTransition`.
 
 ### Misc
 
 Other uses-cases and examples
 
-- **RepeatingAnimationDemo** Demonstrates how to repeat an animation.
-- **ExpandCardDemo** Demonstrates how to use `AnimatedCrossFade` to fade between
-two widgets and change the size.
-- **CarouselDemo** Demonstrates how to use `PageView` with a custom animation.
-- **FocusImageDemo** Demonstrates how to measure the size of a widget and expand
-it using a `PageRouteBuilder`.
-- **PhysicsCardDragDemo** Demonstrates how to run an AnimationController with a
-spring simulation.
-- **CardSwipeDemo** A swipeable card that demonstrates how to use gesture
-detection to drive an animation.
-- **AnimatedList** Demonstrates how to use `AnimatedList`.
-- **HeroAnimationDemo** Demonstrates how to use `Hero` animation.
-- **CurvedAnimationDemo** Demonstrates how to use different curves in `CurvedAnimation`.
+- **RepeatingAnimationDemo**: Demonstrates how to repeat an animation.
+- **ExpandCardDemo**: Demonstrates how to use `AnimatedCrossFade` to fade
+  between two widgets and change the size.
+- **CarouselDemo**: Demonstrates how to use `PageView` with a custom animation.
+- **FocusImageDemo**: Demonstrates how to measure the size of a widget and
+  expand it using a `PageRouteBuilder`.
+- **PhysicsCardDragDemo**: Demonstrates how to run an AnimationController with a
+  spring simulation.
+- **CardSwipeDemo**: A swipeable card that demonstrates how to use gesture
+  detection to drive an animation.
+- **AnimatedList**: Demonstrates how to use `AnimatedList`.
+- **AnimatedPositionedDemo**: Demonstrates how to use `AnimatedPositioned`.
+- **AnimatedSwitcherDemo**: Demonstrates how to use `AnimatedSwitcher`.
+- **HeroAnimationDemo**: Demonstrates how to use `Hero` animation.
+- **CurvedAnimationDemo**: Demonstrates how to use different curves in
+  `CurvedAnimation`.
 
 ## Other Resources
 
@@ -51,3 +53,4 @@ detection to drive an animation.
 - [Animation widgets](https://flutter.dev/docs/development/ui/widgets/animation)
 - [Flutter cookbook - Animations](https://flutter.dev/docs/cookbook/animation)
 - [Animations tutorial](https://flutter.dev/docs/development/ui/animations/tutorial)
+- [Implicit animation codelab](https://flutter.dev/docs/codelabs/implicit-animations)

animations/lib/main.dart

@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 import 'package:flutter/material.dart';
+
 import 'src/basics/01_animated_container.dart';
 import 'src/basics/02_page_route_builder.dart';
 import 'src/basics/03_animation_controller.dart';
@@ -11,9 +12,9 @@ import 'src/basics/05_animated_builder.dart';
 import 'src/basics/06_custom_tween.dart';
 import 'src/basics/07_tween_sequence.dart';
 import 'src/basics/08_fade_transition.dart';
-import 'src/basics/09_animated_positioned.dart';
-import 'src/basics/10_animated_switcher.dart';
 import 'src/misc/animated_list.dart';
+import 'src/misc/animated_positioned.dart';
+import 'src/misc/animated_switcher.dart';
 import 'src/misc/card_swipe.dart';
 import 'src/misc/carousel.dart';
 import 'src/misc/curved_animation.dart';
@@ -66,14 +67,6 @@ final basicDemos = [
       name: 'Fade Transition',
       route: FadeTransitionDemo.routeName,
       builder: (context) => FadeTransitionDemo()),
-  Demo(
-      name: 'AnimatedPositioned',
-      route: AnimatedPositionedDemo.routeName,
-      builder: (context) => AnimatedPositionedDemo()),
-  Demo(
-      name: 'AnimatedSwitcher',
-      route: AnimatedSwitcherDemo.routeName,
-      builder: (context) => AnimatedSwitcherDemo())
 ];
 
 final miscDemos = [
@@ -105,6 +98,14 @@ final miscDemos = [
       name: 'AnimatedList',
       route: AnimatedListDemo.routeName,
       builder: (context) => AnimatedListDemo()),
+  Demo(
+      name: 'AnimatedPositioned',
+      route: AnimatedPositionedDemo.routeName,
+      builder: (context) => AnimatedPositionedDemo()),
+  Demo(
+      name: 'AnimatedSwitcher',
+      route: AnimatedSwitcherDemo.routeName,
+      builder: (context) => AnimatedSwitcherDemo()),
   Demo(
       name: 'Hero Animation',
       route: HeroAnimationDemo.routeName,

animations/pubspec.lock

@@ -169,7 +169,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.2.11"
   typed_data:
     dependency: transitive
     description: