- snack bar: hide and remove snack bar differences
- app bar three-dots icons for popup menu
- old school toast message using the snack bar API
- snack bars with scaffold vs scaffold messenger differences
- show snack bar after popped off route
- return values from route after pop
- custom floating action buttons
- animated floating action buttons (start with one, expand to multiple)
- rtl, ltr differences
- theme snack bars
- open issue about dart pad not displaying the snack bars consistently
- swipe to delete. swipe to delete for both sides with dynamic layout (left right bin icon)