lunasea/lib/core/ui/refresh_indicator.dart

import 'package:flutter/material.dart';

class LunaRefreshIndicator extends RefreshIndicator {
    LunaRefreshIndicator({
        GlobalKey<RefreshIndicatorState> key,
        @required BuildContext context,
        @required Future<void> Function() onRefresh,
        @required Widget child,
    }) : super(
        key: key,
        backgroundColor: Theme.of(context).primaryColor,
        onRefresh: onRefresh,
        child: child, 
    );
}