app-starlock/lib/mine/gateway/addGateway/selectGateway/selectGatewayList_page.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:star_lock/app_settings/app_settings.dart';
import 'package:star_lock/tools/noData.dart';

import '../../../../appRouters.dart';
import '../../../../app_settings/app_colors.dart';
import '../../../../tools/appRouteObserver.dart';
import '../../../../tools/titleAppBar.dart';
import 'selectGatewayList_logic.dart';
import 'selectGatewayList_state.dart';

class SelectGatewayListPage extends StatefulWidget {
  const SelectGatewayListPage({Key? key}) : super(key: key);

  @override
  State<SelectGatewayListPage> createState() => _SelectGatewayListPageState();
}

class _SelectGatewayListPageState extends State<SelectGatewayListPage>
    with RouteAware {
  final SelectGatewayListLogic logic = Get.put(SelectGatewayListLogic());
  final SelectGatewayListState state = Get.find<SelectGatewayListLogic>().state;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppColors.mainBackgroundColor,
      appBar: TitleAppBar(
          barTitle: '选择网关'.tr,
          haveBack: true,
          backgroundColor: AppColors.mainColor,
          actionsList: <Widget>[
            CupertinoActivityIndicator(
              radius: 18.w,
              color: Colors.white,
            ),
            SizedBox(width: 30.w)
          ]),
      body:
          // ListView.builder(
          //     itemCount: 10,
          //     itemBuilder: (BuildContext c, int index) {
          //       return _selectGatewayListListItem(
          //           'images/mine/icon_mine_gatewayListMainIcon.png',
          //           'G2 41c21c',
          //           '-34', () {
          //         Navigator.pushNamed(
          //             context, Routers.gatewayConfigurationWifiPage);
          //       });
          //     })
          Obx(() => ListView.builder(
              itemCount: state.devices.length,
              itemBuilder: (BuildContext c, int index) {
                final ScanResult device = state.devices[index];
                return _selectGatewayListListItem(device, () {
                  state.currentDevice = device;
                  logic.connect(device);
                });
              })),
    );
  }

  Widget _selectGatewayListListItem(ScanResult device, Function() action) {
    return GestureDetector(
      onTap: action,
      child: Container(
        // height: 100.h,
        margin: const EdgeInsets.only(bottom: 2),
        padding:
            EdgeInsets.only(left: 10.w, right: 20.w, top: 16.h, bottom: 16.h),
        decoration: BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.circular(10.w),
        ),
        child: Row(
          children: [
            SizedBox(
              width: 10.w,
            ),
            Image.asset(
              'images/mine/icon_mine_gatewayListMainIcon.png',
              width: 60.w,
              height: 60.w,
            ),
            SizedBox(
              width: 20.w,
            ),
            Expanded(
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  Row(
                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
                    children: [
                      Text(
                        device.advertisementData.advName ?? '未知设备',
                        style: TextStyle(fontSize: 24.sp),
                      ),
                    ],
                  ),
                  SizedBox(height: 5.h),
                  Row(
                    mainAxisAlignment: MainAxisAlignment.start,
                    children: [
                      Image.asset(
                        'images/mine/icon_mine_gatewaySignal_strong.png',
                        width: 22.w,
                        height: 22.w,
                      ),
                      SizedBox(
                        width: 10.w,
                      ),
                      Text(
                        device.rssi.toString(),
                        style: TextStyle(fontSize: 22.sp),
                      ),
                    ],
                  ),
                  SizedBox(width: 20.h),
                ],
              ),
            ),
            SizedBox(width: 20.h),
            Image.asset(
              'images/icon_add_white.png',
              width: 36.w,
              height: 36.w,
              color: AppColors.mainColor,
            ),
            SizedBox(
              width: 20.w,
            ),
          ],
        ),
      ),
    );
  }

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();

    /// 路由订阅
    AppRouteObserver().routeObserver.subscribe(this, ModalRoute.of(context)!);
  }

  @override
  void dispose() {
    /// 取消路由订阅
    AppRouteObserver().routeObserver.unsubscribe(this);
    super.dispose();
  }

  /// 从上级界面进入 当前界面即将出现
  @override
  void didPush() {
    super.didPush();
  }

  /// 返回上一个界面 当前界面即将消失
  @override
  Future<void> didPop() async {
    super.didPop();

    EasyLoading.isShow ? EasyLoading.dismiss() : null;
    logic.cancelBlueConnetctToastTimer();
    logic.blueDisconnect();
    await Future.delayed(Duration(milliseconds: 500));
    await logic.stopScanBlueList();
    AppLog.log('停止网关列表 didPop被调用了');
  }

  /// 从下级返回 当前界面即将出现
  @override
  void didPopNext() {
    super.didPopNext();
    AppLog.log('扫描网关列表 didPopNext被调用了');
    logic.blueDisconnect();
    logic.startScanBlueList();
  }

  /// 进入下级界面 当前界面即将消失
  @override
  void didPushNext() {
    super.didPushNext();
    logic.cancelBlueConnetctToastTimer();
    logic.stopScanBlueList();
  }
}