# Animation Samples Sample apps that showcasing Flutter's animation features ## Goals - Demonstrate the building blocks for animations and how they work together - Provide samples for common patterns and use-cases ## Samples ### Basics Building blocks and patterns **AnimationControllerDemo** Demonstrates how to use an `AnimationController`. ### Misc Other uses-cases and examples **ExpandCardDemo** Demonstrates how to use `AnimatedCrossFade` to fade between two widgets and change the size. ## Other Resources - [Introduction to animations](https://flutter.dev/docs/development/ui/animations) - [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)