flutter_fooddelivery/lib/pages/details/detail_screen.dart

import 'package:flutter/material.dart';
import 'package:flutter_svg/svg.dart';
import 'package:fooddeliveryapp/constants.dart';
import 'package:fooddeliveryapp/model/product.dart';
import 'package:fooddeliveryapp/pages/cart.dart';
import 'package:fooddeliveryapp/pages/details/components/body.dart';

class DetailsScreen extends StatelessWidget {
  final Product product;

  const DetailsScreen({Key key, this.product}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: buildAppBar(context),
      backgroundColor: product.color,
      body: DetailsBody(
        product: product,
      ),
    );
  }

  AppBar buildAppBar(BuildContext context) {
    return AppBar(
      elevation: 0,
      backgroundColor: product.color,
      leading: IconButton(
        icon: SvgPicture.asset(
          'assets/icons/back.svg',
          color: Colors.white,
        ),
        onPressed: () => Navigator.pop(context),
      ),
      actions: <Widget>[
        IconButton(
          icon: SvgPicture.asset("assets/icons/cart.svg"),
          onPressed: () {
            Navigator.pushNamed(context, OrderCart.routeName);
          },
        ),
        SizedBox(width: kDefaultPaddin / 2)
      ],
    );
  }
}