huixiang_app/lib/mine/vip_pay_code.dart

import 'dart:convert';

import 'package:barcode_widget/barcode_widget.dart';
import 'package:dio/dio.dart';
import 'package:flutter/material.dart';
import 'package:flutter_bmflocation/flutter_bmflocation.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:huixiang/generated/l10n.dart';
import 'package:huixiang/retrofit/data/base_data.dart';
import 'package:huixiang/retrofit/data/product.dart';
import 'package:huixiang/retrofit/data/vip_card.dart';
import 'package:huixiang/retrofit/retrofit_api.dart';
import 'package:huixiang/store/scan.dart';
import 'package:huixiang/utils/font_weight.dart';
import 'package:huixiang/utils/location.dart';
import 'package:huixiang/utils/painter_bg.dart';
import 'package:huixiang/view_widget/custom_image.dart';
import 'package:huixiang/view_widget/my_appbar.dart';
import 'package:huixiang/view_widget/my_footer.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:pull_to_refresh/pull_to_refresh.dart';
import 'package:qr_flutter/qr_flutter.dart';
import 'package:shared_preferences/shared_preferences.dart';

import '../retrofit/data/user_info.dart';
import '../view_widget/classic_header.dart';

class VipPayCode extends StatefulWidget {
  @override
  State<StatefulWidget> createState() {
    return _VipPayCode();
  }
}

class _VipPayCode extends State<VipPayCode> {
  ApiService apiService;

  @override
  void dispose() {
    super.dispose();
    refreshController.dispose();
    Location.getInstance().stopLocation();
  }

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

  UserInfo userInfo;
  final RefreshController refreshController = RefreshController();
  bool vipCodeText = false;

  ///查询用户信息
  queryUser() async {
    try{
      SharedPreferences value = await SharedPreferences.getInstance();
      if (apiService == null)
        apiService = ApiService(
          Dio(),
          context: context,
          token: value.getString("token"),
        );
      BaseData<UserInfo> baseData =
      await apiService.queryInfo().catchError((onError) {
        refreshController.refreshFailed();});
      if (baseData != null && baseData.isSuccess) {
        userInfo = baseData.data;
        setState(() {});
        SharedPreferences.getInstance().then((value) => {
          value.setString('user', jsonEncode(baseData.data)),
        });
        refreshController.refreshCompleted();
      }else{
        refreshController.refreshFailed();
      }
    }finally{
      setState((){});
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: MyAppBar(
        title: "会员码",
        background: Colors.white,
        titleColor: Colors.black,
        brightness: Brightness.dark,
        leadingColor: Colors.black,
      ),
      body: SmartRefresher(
        controller: refreshController,
        enablePullDown: true,
        enablePullUp: false,
        header: MyHeader(),
        physics: BouncingScrollPhysics(),
        onRefresh: () {
          queryUser();
        },
        child: SingleChildScrollView(
          child: Container(
            color: Colors.white,
            padding: EdgeInsets.only(top: 45.h),
            child: Stack(
              alignment: Alignment.topCenter,
              children: [
                Container(
                  padding: EdgeInsets.only(top: 50.h),
                  child: Container(
                    width: double.infinity,
                    margin: EdgeInsets.symmetric(horizontal: 14.w),
                    padding: EdgeInsets.only(top: 68.h, bottom: 16.h),
                    decoration: BoxDecoration(
                      color: Color(0xFF32A060),
                      boxShadow: [
                        BoxShadow(
                          color: Colors.black.withAlpha(12),
                          offset: Offset(0, 2),
                          blurRadius: 14,
                          spreadRadius: 0,
                        ),
                      ],
                      borderRadius: BorderRadius.circular(6),
                    ),
                    child: Container(
                      width: double.infinity,
                      decoration: BoxDecoration(
                        color: Colors.white,
                        boxShadow: [
                          BoxShadow(
                            color: Colors.black.withAlpha(12),
                            offset: Offset(0, 2),
                            blurRadius: 14,
                            spreadRadius: 0,
                          ),
                        ],
                        borderRadius: BorderRadius.circular(6),
                      ),
                      margin: EdgeInsets.symmetric(horizontal: 16.w),
                      padding: EdgeInsets.only(
                          top: 46.h, left:16.w, right: 15.w, bottom: 79.h),
                      child: Column(
                        mainAxisAlignment: MainAxisAlignment.center,
                        crossAxisAlignment: CrossAxisAlignment.center,
                        children: [
                            GestureDetector(
                              onTap: (){
                                setState(() {
                                  vipCodeText = !vipCodeText;
                                });
                              },
                              child:
                              vipCodeText ? Text(
                                userInfo != null
                                    ? "${(userInfo?.vipNo ?? "").substring(0, 4)} "
                                    "${(userInfo?.vipNo ?? "").substring(4, 8)} "
                                    "${(userInfo?.vipNo ?? "").substring(8, 12)} "
                                    "${(userInfo?.vipNo ?? "").substring(12, 16)} "
                                    "${(userInfo?.vipNo ?? "").substring(16, (userInfo?.vipNo ?? "").length)}"
                                    : "",
                                style: TextStyle(
                                  fontSize: 14.sp,
                                  wordSpacing: userInfo == null
                                      ? 10
                                      : (MediaQuery.of(context).size.width - 64.w) /
                                      ((((userInfo?.vipNo ?? "")
                                          .length) *
                                          4)),
                                  letterSpacing: userInfo == null
                                      ? 8
                                      : (MediaQuery.of(context).size.width - 64.w) /
                                      ((((userInfo?.vipNo ?? "")
                                          .length) *
                                          4)),
                                  fontWeight: MyFontWeight.semi_bold,
                                  color: Color(0xFF353535),
                                ),
                              )
                                  :Text(
                                "轻触可查看会员码数字",
                                style: TextStyle(
                                  fontWeight: MyFontWeight.medium,
                                  fontSize: 13.sp,
                                  color: Color(0xFFCACACA),
                                ),
                              ),
                            ),
                          SizedBox(
                            height: 12.h,
                          ),
                          BarcodeWidget(
                            barcode: Barcode.code128(useCode128C: true),
                            data:
                            userInfo != null ? userInfo?.vipNo : "",
                            height: 72.h,
                            color: Colors.black,
                            drawText: false,
                          ),
                          SizedBox(
                            height: 16.h,
                          ),
                          QrImage(
                            data: userInfo != null
                                ? (userInfo?.vipNo ?? "")
                                : "",
                            version: QrVersions.auto,
                            size: 200.w,
                            gapless: true,
                          ),
                        ],
                      ),
                    ),
                  ),
                ),
                Container(
                  decoration: BoxDecoration(
                    borderRadius: BorderRadius.circular(56),
                    color: Colors.white,
                    border: Border.all(
                      color: Colors.white,
                      width: 8.w,
                    ),
                  ),
                  child: Container(
                    decoration: BoxDecoration(
                      borderRadius: BorderRadius.circular(56),
                      color: Colors.white,
                      border: Border.all(
                        color: Color(0xFF32A060),
                        width: 2.w,
                      ),
                    ),
                    child: MImage(
                      userInfo?.headimg ?? "",
                      width: 80,
                      height: 80,
                      radius: BorderRadius.circular(56),
                      fit: BoxFit.cover,
                      errorSrc: "assets/image/default_1.webp",
                      fadeSrc: "assets/image/default_1.webp",
                    ),
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}