deus_app/lib/page/home/home_page.dart

import 'package:deus_app/common/local/StoreHelper.dart';
import 'package:deus_app/common/utils/ConstantString.dart';
import 'package:deus_app/common/utils/DioUtil.dart';
import 'package:deus_app/common/utils/ToastUtils.dart';
import 'package:deus_app/generated/json/personal_data_count_entity_helper.dart';
import 'package:deus_app/model/personal_data_count_entity.dart';
import 'package:deus_app/page/patrol/patrol_job_page.dart';
import 'package:deus_app/page/repair/repair_page.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

import '../device/device_manage_page.dart';
import '../maint/maint_job_page.dart';

class HomePage extends StatefulWidget {
  static var routeName = '/HomePage';

  const HomePage({Key? key}) : super(key: key);

  @override
  _MineViewPageState createState() => _MineViewPageState();
}

class _MineViewPageState extends State<HomePage> {
  List items = [
    {"name": "今日维保任务", "num": 0},
    {"name": "今日巡检任务", "num": 0}
  ];
  List icons = [
    {
      "name": "设备管理",
      "image": "images/device_manage.png",
      'jump': DeviceManagePage.routeName
    },
    {
      "name": "维保任务",
      "image": "images/maintenance.png",
      'jump': MaintJobPage.routeName
    },
    {
      "name": "巡检任务",
      "image": "images/patrol_inspect.png",
      'jump': PatrolJobPage.routeName
    },
    {
      "name": "报修管理",
      "image": "images/maintenance_manage.png",
      'jump': RepairPage.routeName
    },
  ];

  int alarmCount = 0;

  @override
  void initState() {
    super.initState();
    fetchAlbum();
  }

  fetchAlbum() async {
    var result =
        await DioUtil().request("personalData/count", method: DioMethod.post);
    PersonalDataCountEntity entity =
        personalDataCountEntityFromJson(PersonalDataCountEntity(), result);

    if (entity.code == 0) {
      setState(() {
        items.clear();
        items.add({"name": "今日维保任务", "num": entity.data.maintJobCount});
        items.add({"name": "今日巡检任务", "num": entity.data.patrolJobCount});
        alarmCount = entity.data.alarmCount;
      });
    } else {
      showToast(entity.msg);
    }
  }

  void registerHandler() {}

  @override
  Widget build(BuildContext context) {


    DateTime? _dateTime;//上次点击的时间

    return WillPopScope(
        child: Scaffold(
            extendBodyBehindAppBar: true,
            appBar: AppBar(
              shadowColor: Colors.transparent,
              backgroundColor: Colors.transparent,
              systemOverlayStyle: SystemUiOverlayStyle.light
                  .copyWith(statusBarColor: Colors.transparent),
              // title: Text(user != null ? user["nickname"] : "",style:TextStyle(color: Colors.white),),
              centerTitle: true,
              elevation: 0.0,
              toolbarHeight: 0,
            ),
            backgroundColor: const Color(0xfff4f6ff),
            body: Column(
              children: [
                Container(
                  padding: EdgeInsets.only(
                      left: 15,
                      right: 15,
                      top: MediaQuery.of(context).padding.top),
                  height: MediaQuery.of(context).size.width * 0.53,
                  decoration: BoxDecoration(
                    image: DecorationImage(
                        image: AssetImage("images/home_bg.jpg"),
                        fit: BoxFit.cover),
                  ),
                  child: Column(
                    children: [
                      // Row(
                      //   mainAxisAlignment: MainAxisAlignment.end,
                      //   children: [
                      //     IconButton(
                      //       icon: Icon(Icons.settings),
                      //       color: Colors.white,
                      //       onPressed: () => {},
                      //     ),
                      //   ],
                      // ),
                      SizedBox(height: 35),
                      Row(
                        crossAxisAlignment:CrossAxisAlignment.start,
                        children: [
                          Image.asset(
                            "images/head.png",
                            width: 35,
                            height: 35,
                          ),
                          SizedBox(width: 10),
                          Text(
                            StoreHelper.getStorage(ConstantString.name),
                            style: TextStyle(
                                color: Colors.white,
                                fontWeight: FontWeight.bold,
                                fontSize: 18),
                          )
                        ],
                      ),
                      SizedBox(height: 5),
                      Row(
                        children: [
                          SizedBox(width: 45),
                          Text(StoreHelper.getStorage(ConstantString.phone),
                              style: TextStyle(
                                  color: Colors.white,
                                  fontWeight: FontWeight.bold,
                                  fontSize: 20))
                        ],
                      ),
                      SizedBox(height: 6),
                      Row(
                        children: [
                          SizedBox(width: 45),
                          Text(StoreHelper.getStorage(ConstantString.orgName),
                              style: TextStyle(
                                  color: Color(0xFFB7CAFF), fontSize: 14))
                        ],
                      ),
                    ],
                  ),
                ),
                Container(
                  padding: EdgeInsets.all(10),
                  margin: EdgeInsets.all(15),
                  decoration: BoxDecoration(
                      color: Colors.white,
                      borderRadius: BorderRadius.circular(10)),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      SizedBox(height: 15),
                      Container(
                          width: double.infinity,
                          height: 40,
                          alignment: Alignment.center,
                          decoration: BoxDecoration(
                              color: alarmCount > 0
                                  ? Colors.red
                                  : Color(0xff74b900),
                              borderRadius: BorderRadius.circular(10)),
                          child: Text(
                              alarmCount > 0
                                  ? '今日告警数量:$alarmCount'
                                  : "当前设备运行正常",
                              style: TextStyle(
                                  color: Color(0xffffffff), fontSize: 15))),
                      SizedBox(
                        height: 20,
                      ),
                      Text("待办任务",
                          style: TextStyle(
                              color: Color(0xff000000), fontSize: 18)),
                      SizedBox(
                        height: 10,
                      ),
                      GridView.builder(
                        shrinkWrap: true,
                        padding: const EdgeInsets.only(
                          top: 10,
                        ),
                        gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                          crossAxisCount: 1,
                          mainAxisSpacing: 10,
                          crossAxisSpacing: 10,
                          childAspectRatio:
                              MediaQuery.of(context).size.width / 30,
                        ),
                        itemBuilder: (context, index) {
                          Map item = items[index];
                          return Row(
                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                            children: [
                              Text(item["name"],
                                  style: TextStyle(
                                      color: Color(0xff000000), fontSize: 13)),
                              Text(item["num"].toString(),
                                  style: TextStyle(
                                      color: Color(0xff000000), fontSize: 13))
                            ],
                          );
                        },
                        itemCount: items.length,
                      )
                    ],
                  ),
                ),
                Container(
                  margin: EdgeInsets.only(left: 15, right: 15),
                  decoration:
                      BoxDecoration(borderRadius: BorderRadius.circular(10)),
                  child: Column(
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      GridView.builder(
                        shrinkWrap: true,
                        padding: const EdgeInsets.only(
                          top: 0,
                        ),
                        gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
                          crossAxisCount: 3,
                          mainAxisSpacing: 10,
                          crossAxisSpacing: 10,
                          childAspectRatio:
                              (MediaQuery.of(context).size.width / 3 - 60 / 3) /
                                  120,
                        ),
                        itemBuilder: (context, index) {
                          Map item = icons[index];
                          return GestureDetector(
                            onTap: () =>
                                Navigator.pushNamed(context, item['jump']),
                            child: Container(
                              padding: EdgeInsets.all(5),
                              decoration: BoxDecoration(
                                  color: Color(0xffffffff),
                                  borderRadius: BorderRadius.circular(10)),
                              child: Column(
                                crossAxisAlignment: CrossAxisAlignment.center,
                                mainAxisAlignment: MainAxisAlignment.center,
                                children: [
                                  Image.asset(
                                    item["image"],
                                    width: 60,
                                    height: 60,
                                  ),
                                  SizedBox(height: 10),
                                  Text(item["name"].toString(),
                                      style: TextStyle(
                                          color: Color(0xff000000),
                                          fontSize: 13))
                                ],
                              ),
                            ),
                          );
                        },
                        itemCount: icons.length,
                      )
                    ],
                  ),
                ),
              ],
            )),
        onWillPop: () async{
          if(_dateTime == null || DateTime.now().difference(_dateTime!) > const Duration(seconds: 1)){
            _dateTime = DateTime.now();
            showToast('再按一次退出');
            return false;
          }
          return true;
        });
  }
}