SRefreshCallback typedef
SRefreshCallback =
Future<void> Function()
The signature for a function that's called when the user has dragged a SLiquidPullToRefresh far enough to demonstrate that they want the app to refresh. The returned Future must complete when the refresh operation is finished.
Used by SLiquidPullToRefresh.onRefresh.
Implementation
typedef SRefreshCallback = Future<void> Function();