farmer_client/lib/pages/machinery/map/widgets/detail.dart

import 'package:farmer_client/pages/machinery/widgets/DefLayout.dart';
import 'package:farmer_client/pages/machinery/widgets/RoundButton.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:amap_flutter_base/amap_flutter_base.dart';
import 'package:farmer_client/widgets/amap/amap.dart';

import '../../../../models/entities/CardInfo.dart';
import '../../widgets/summary.dart';

Widget page(
    {required CardInfo item,
    required String km,
    required BuildContext context,
    VoidCallback? handleClick}) {
  final _offset = 20.w;
  final width = MediaQuery.of(context).size.width;
  final mapHeight = 226.5.w;
  final cardHeight = 250.w;

  final LatLng position = LatLng(32.690712, 112.091892);

  return DefLayout(head: AMap(position: position), children: [
    DefLayout.card(
      top: DefLayout.headHeight - DefLayout.offset,
      height: DefLayout.headHeight,
      child: Image.network(
        item.thumb.toString(),
        fit: BoxFit.cover,
        errorBuilder: (ctx, exception, stackTrace) {
          return Container(); //THE WIDGET YOU WANT TO SHOW IF URL NOT RETURN IMAGE
        },
      ),
    ),
    DefLayout.card(
        top: (DefLayout.headHeight - DefLayout.offset) * 2,
        padding:
            EdgeInsets.only(top: 45.w, left: 15.w, right: 15.w, bottom: 20.w),
        child: _content(context, handleClick, item, km)),
  ]);
}

Widget _content(
    BuildContext context, VoidCallback? handleClick, CardInfo item, String km) {
  return ListView(
    children: [
      summary(item: item, km: km),
      RoundButton(
        text: "预约",
        onPressed: handleClick,
      ),
    ],
  );
}