fcs/lib/widget/progress.dart

import 'package:flutter/material.dart';
import 'package:progress/progress.dart';
import 'package:provider/provider.dart';
import 'package:fcs/model/main_model.dart';
import 'package:fcs/fcs/common/helpers/theme.dart';

class LocalProgress extends Progress {
  LocalProgress({bool inAsyncCall, Widget child})
      : super(
            inAsyncCall: inAsyncCall,
            child: child,
            opacity: 0.6,
            progressIndicator: Center(
              child: Container(
                height: 100,
                width: 300,
                child: Card(
                  color: Colors.white,
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: <Widget>[
                      CircularProgressIndicator(
                        valueColor:
                            new AlwaysStoppedAnimation<Color>(primaryColor),
                      ),
                      SizedBox(
                        height: 10,
                      ),
                      Text("Loading...")
                    ],
                  ),
                ),
              ),
            ));

  Widget build(BuildContext context) {
    Provider.of<MainModel>(context).resetPinTimer();
    // hide keyboard
    if (inAsyncCall) {
      FocusScopeNode currentFocus = FocusScope.of(context);
      if (!currentFocus.hasPrimaryFocus) {
        currentFocus.unfocus();
      }
    }
    return super.build(context);
  }
}