The app is an example on CustomScrollView and SliverPersistentHeader.
A few resources to get you started if this is your first Flutter project:
- Lab: Write your first Flutter app
- Cookbook: Useful Flutter samples
- CustomScrollView
- SliverToBoxAdapter
- SliverPersistentHeader
- SliverPersistentHeaderDelegate
- Transform
- Transform.rotate
For help getting started with Flutter development, view the online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.