The Flutter team has also pushed this feature to the framework, https://github.com/flutter/flutter/blob/master/packages/flutter/lib/src/material/reorderable_list.dart
A new Flutter package which handles all aspects of drag and drop inside a listView.
In your pubspec.yaml
dependencies: flutter_list_drag_and_drop: "^0.1.6"
- When dragging an item to the top/ bottom the list scroll accordingly
- Works with different sized items
- material like behaviour
Take a look at the example folder for info on how to use
If you encounter feel free to open an issue. Pull request are also welcome.