huixiang_app/lib/business_system/home/vip/business_vip_page.dart

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:huixiang/business_system/home/vip/vip_recharge_flow.dart';
import 'package:huixiang/business_system/order/ticket/ticket_tab.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import '../../../view_widget/my_appbar.dart';
import '../../../view_widget/my_tab.dart';
import 'balance_change_record.dart';
import 'bus_vip_list.dart';

class BusinessVipPage extends StatefulWidget {
  final Map<String, dynamic> arguments;

  BusinessVipPage({this.arguments});

  @override
  State<StatefulWidget> createState() {
    return _BusinessVipPage();
  }
}

class _BusinessVipPage extends State<BusinessVipPage>
    with SingleTickerProviderStateMixin {
  List<GlobalKey> _allKey = [];
  String storeId;
  TabController tabController;

  @override
  void initState() {
    super.initState();
    tabController = TabController(length: 3, vsync: this, initialIndex: widget?.arguments["index"] ?? 0);
    tabController.addListener(() {
      if (!tabController.indexIsChanging) {
        setState(() {});
        FocusScope.of(context).requestFocus(FocusNode());
      }
    });
    loadFinish();
    storeId = widget.arguments["storeId"];
  }

  loadFinish() {
    _allKey = [GlobalKey(), GlobalKey(), GlobalKey()];
    setState(() {});
  }


  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      behavior: HitTestBehavior.opaque,
      onTap: () {
        FocusScope.of(context).requestFocus(FocusNode());
      },
      child: Column(
        children: [
          Expanded(child: DefaultTabController(
            length: 3,
            child: Scaffold(
              resizeToAvoidBottomInset: false,
              appBar: MyAppBar(
                title: "",
                leadingColor: Colors.black,
                background: Colors.white,
                toolbarHeight: kToolbarHeight + MediaQuery.of(context).padding.top,
                bottom: TabBar (
                  // isScrollable: true, //可滚动
                  //去掉按钮阴影
                  overlayColor: MaterialStateProperty.all(Colors.white),
                  indicator: const TicketTab(
                      width: 44,
                      borderSide:
                      BorderSide(width: 2.0, color: Color(0xFF30415B))),
                  labelColor: Colors.black,
                  labelStyle: TextStyle(
                    fontSize: 15.sp,
                    fontWeight: FontWeight.bold,
                  ),
                  unselectedLabelStyle: TextStyle(
                      fontSize: 15.sp,
                      fontWeight: FontWeight.normal,
                      color: Color(0xFF666666)),
                  controller: tabController,
                  //未选中文字颜色
                  unselectedLabelColor: Color(0xFF666666),
                  //指示器与文字等宽
                  tabs: <Widget>[
                    MyTab(text: "会员列表"),
                    MyTab(text: "会员充值流水"),
                    MyTab(text: "会员余额变动"),
                  ],
                ),
              ),
              body: TabBarView(
                controller: tabController,
                children: [
                  BusVipList(
                      _allKey[0],
                      storeId),
                  VipRechargeFlow(
                      _allKey[1],
                      storeId),
                  BalanceChangeRecord(
                      _allKey[2],
                      storeId,),
                ],
              ),
            ),
          )),
          // SizedBox(
          //   height: 76.h,
          // ),
        ],
      ),
    );
  }
}