huixiang_app/lib/mine/mine_card_page.dart

import 'package:dio/dio.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/mine/vip_card_page.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/coupon.dart';
import 'package:huixiang/retrofit/data/page.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/view_widget/classic_header.dart';
import 'package:huixiang/view_widget/coupon_widget.dart';
import 'package:huixiang/view_widget/item_title.dart';
import 'package:huixiang/view_widget/my_footer.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'coupons_page.dart';

class MineCardPage extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _MineCardPage();
  }
}

class _MineCardPage extends State<MineCardPage>
    with SingleTickerProviderStateMixin{
  RefreshController _refreshController;
  List<Widget> _pages;


  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    _pages = [
      VipCardPage(),
      CouponsPage()
    ];
  }


  ApiService apiService;

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

    SharedPreferences.getInstance().then((value) => {
          apiService =  ApiService(Dio(), context: context, token: value.getString('token')),
          queryCard(),
        });

    _refreshController = RefreshController(initialRefresh: false);
  }

  int pageNum = 1;
  List<Coupon> coupons = [];

  queryCard() async {
    BaseData baseData = await apiService.queryCard({
      "centre": true,
      "pageNum": pageNum,
      "pageSize": 10,
      "searchKey": "",
      "state": 1
    }).catchError((error) {
      _refreshController.loadFailed();
      _refreshController.refreshFailed();
    });
    if (baseData != null && baseData.isSuccess) {
      PageInfo pageInfo = PageInfo.fromJson(baseData.data);
      if (pageNum == 1) {
        coupons.clear();
      }
      coupons.addAll(pageInfo.list.map((e) => Coupon.fromJson(e)));
      setState(() {
        _refreshController.refreshCompleted();
        _refreshController.loadComplete();
        if (pageInfo.pageNum == pageInfo.pages) {
          _refreshController.loadNoData();
        } else {
          pageNum += 1;
        }
      });
    } else {
      _refreshController.loadFailed();
      _refreshController.refreshFailed();
      Fluttertoast.showToast(msg: baseData.msg);
    }
  }

  void _onRefresh() async {
    pageNum = 1;
    queryCard();
  }

  @override
  Widget build(BuildContext context) {
    return DefaultTabController(
      length: 2,
      child: Scaffold(
        appBar: AppBar(
          title: Text(
            S.of(context).kaquan,
            style: TextStyle(
              color: Colors.black,
              fontWeight: FontWeight.bold,
            ),
          ),
          centerTitle: false,
          backgroundColor: Colors.white,
          elevation: 0,
          leading: GestureDetector(
            onTap: () {
              Navigator.of(context).pop();
            },
            child: Container(
              alignment: Alignment.centerRight,
              margin: EdgeInsets.only(left: 10),
              padding: EdgeInsets.all(6),
              child: Icon(
                Icons.arrow_back_ios,
                color: Colors.black,
                size: 24,
              ),
            ),
          ),
          titleSpacing: 2,
          leadingWidth: 56,
          bottom: TabBar(
            // isScrollable: true, //可滚动
            indicatorColor: Color(0xff39B54A),
            labelColor: Colors.black,
            labelStyle: TextStyle(fontSize: 17, fontWeight: FontWeight.bold),
            unselectedLabelStyle: TextStyle(
              fontSize: 16,
              fontWeight: FontWeight.normal,
            ),
            // controller: tabController,
            //未选中文字颜色
            unselectedLabelColor: Color(0xffA29E9E),
            indicatorSize: TabBarIndicatorSize.label, //指示器与文字等宽
            tabs: <Widget>[
              Tab(text: "会员卡"),
              Tab(text: "券包"),
            ],
          ),
        ),
        body: TabBarView(
          children: _pages,
        ),
      ),
    );
  }




}