final2

TODO.md

@@ -1,250 +0,0 @@
-# TODO — Flutter Wisetronic Dart 3 空安全迁移
-
-> ## ✅ Web 构建已成功！（2026-08-01）
-> **`flutter build web --no-tree-shake-icons` → ✓ Built build/web/（main.dart.js 4.5M）**
-> - `dart analyze lib`: 仅剩 **6 error**，全部在 `utils/util_io.dart`（原生路径，Web 已排除，见 §5 延后）。
-> - Web 可达错误: **0**。
-> - 峰值 2374 → 6（全部 util_io 原生）。0 语法损坏。分支 `dev2`。
-> - 构建脚本: `./build_web.sh`（构建）/ `./build_web.sh run`（Chrome 运行）。
-> - **关键修复**: `cross_file` override 到 `0.3.4+2`（旧版 0.3.1+4 用了 Dart3 移除的 `UnmodifiableUint8ListView`；0.3.5+ 需 Dart 3.10）。
-
----
-
-## 0. 快速恢复（Resume 起点）
-
-```bash
-cd /Users/peima/StudioProjects/flutter_wisetronic
-git log --oneline -1                       # 确认在最新提交
-dart analyze lib | tail -5                 # 当前: 仅 6 error(util_io.dart)
-./build_web.sh                             # 构建: ✓ Built build/web/
-./build_web.sh run                         # Chrome 运行调试
-
-# 重跑自动修复脚本（安全，带损坏自检，可随时跑）—— 已无 web 可达错误，通常无需再跑
-python3 tools/nullfix.py --max-rounds 12
-```
-
-**核心原则**：每次改动后用 `dart analyze lib | grep -cE '\s+error\s+-'` 数错误；脚本若报"检测到语法损坏"会自动中止，`git checkout -- lib` 回滚。
-
----
-
-## 1. 剩余错误分布（118 个）
-
-| 规则 | 数量 | 说明 |
-|------|------|------|
-| `unchecked_use_of_nullable_value` | 44 | 可空值当非空用（方法调用/条件/迭代器，多为多行） |
-| `invalid_assignment` | 34 | 赋值类型不匹配（复杂表达式） |
-| `argument_type_not_assignable` | 22 | 参数类型不匹配（三元/比较/Map字面量） |
-| `return_of_invalid_type_from_closure` | 4 | 闭包返回类型 |
-| `undefined_getter` | 3 | 多为 `.buttonColor`（Flutter 3 移除） |
-| `return_of_invalid_type` | 3 | 函数 `return null` 但返回类型非空 |
-| `undefined_named_parameter` | 2 | |
-| `undefined_method` | 2 | |
-| `creation_with_non_type` | 2 | 类名拼错（util_io 内） |
-| `extra_positional_arguments_could_be_named` | 1 | |
-| `body_might_complete_normally` | 1 | |
-
-**错误最多的文件**（详细见 `dart analyze lib`）：
-
-```
- 6  utils/util_io.dart                 ← 延后（仅原生，Web 构建已排除）
- 5  widgets/desktop/desktop_edit_address.dart   ← .trim() 多行（见 §3，已知修法）
- 5  widgets/mobile/mobile_edit_address.dart     ← 同上
- 5  widgets/general/add_remove_button.dart
- 5  widgets/general/parabolic_animation_widget.dart
- 5  widgets/general/sliding_up_panel.dart
- 4  widgets/desktop/desktop_me.dart
- 4  widgets/mobile/mobile_attribute_selection.dart
- 4  widgets/mobile/mobile_order_detail.dart
- 3  widgets/desktop/desktop_coupons.dart / desktop_my_support / desktop_order_detail / shop_products
- 3  widgets/general/animation_point_manager / popup_animation_widget
- 3  widgets/mobile/mobile_coupons / mobile_me / mobile_my_support / mobile_orders / shopping_cart_bar
- 2  约 12 个文件（blog/orders/product_item/shopping_cart 等）
- 1  约 25 个文件（单点错误）
-```
-
----
-
-## 2. 推荐处理顺序
-
-1. **edit_address（5+5）** — 已知修法，见 §3，最快。
-2. **parabolic/popup_animation（5+3）** — `late` 字段已修，可能还有 unchecked_use（offset 计算方法调用），手动看。
-3. **sliding_up_panel（5）** — 第三方面板 widget 适配，手动。
-4. **add_remove_button（5）** — badges 相关，手动。
-5. **散落的 2-error / 1-error 文件** — 用 `dart analyze lib/<file>` 逐个看，多为加 `!`。
-6. **util_io.dart（6）** — 最后处理（见 §5），不影响 Web 构建。
-
-**目标**：先清掉 Web 可达错误（`flutter build web` 的 112），让 Web 能跑；`util_io` 原生路径可延后。
-
----
-
-## 3. 已知具体修法（直接套用）
-
-### 3.1 edit_address `.trim()` 多行（desktop + mobile，各 5 处）
-错误：`A nullable expression can't be used to invoke 'trim'`。代码结构：
-```dart
-validator: (String? value) {
-  if (value          // ← value 是 String?
-      .trim()
-      .isEmpty) {
-```
-**修法**：把 `if (value` 行改成 `if (value!`。
-```python
-# 上次脚本 bug：用了 rstrip() 应该用 strip()。正确版：
-for p in ['lib/widgets/desktop/desktop_edit_address.dart','lib/widgets/mobile/mobile_edit_address.dart']:
-    lines=open(p).read().split('\n'); n=0
-    for i in range(len(lines)):
-        if lines[i].strip()=='if (value' and lines[i+1].lstrip().startswith('.trim()'):
-            lines[i]=lines[i].rstrip()+'!'; n+=1   # 注意 rstrip() 保留前导缩进
-    open(p,'w').write('\n'.join(lines))
-```
-（`.buttonColor`→`.colorScheme.primary` 已在两个文件修好。）
-
-### 3.2 通用模式（手动加 `!` / `?? 默认` / `== true`）
-- `String? → String` 参数：`field` → `field!`（确认运行时非空）。
-- `num?/int?/double?` 比较：`subtotal > minPrice` → `subtotal > minPrice!` 或 `(minPrice ?? 0)`。
-- `bool?` 当条件：`if (x)` → `if (x == true)`；`if (!x)` → `if (x != true)`。
-- `return null;` 但返回类型非空：把函数返回类型加 `?`（如 `CategoryProducts? foo()`）。
-- 局部变量赋值 nullable：声明加 `?`（如 `Map<String,dynamic>? x = ...`），下游 nullfix 会补 `!`。
-- 多行方法调用 `.toUpperCase()` / `.trim()`：接收者在上一行末尾，在该行末尾加 `!`。
-
-### 3.3 可复用的定向脚本（一次性，贴进 bash 跑）
-
-**a) 条件修复（analyzer 驱动，只修简单 `if (chain)`）** — 已用过，安全：
-```python
-python3 -c "
-import re,subprocess
-ERR=re.compile(r'\s+error\s+-\s+([\w/.\-]+):(\d+):(\d+)\s+-\s+(.*?)\s+-\s+([a-z_]+)\s*\$')
-pat=re.compile(r'^(\s*if \()(!?)([\w.!\[\]]+)(\)\s*\{?\s*)\$')
-out=subprocess.run(['dart','analyze','lib'],capture_output=True,text=True).stdout
-tg={}
-for ln in out.splitlines():
-    m=ERR.match(ln)
-    if m and 'used as a condition' in m.group(4): tg.setdefault('lib/'+m.group(1),set()).add(int(m.group(2)))
-n=0
-for p,ls in tg.items():
-    L=open(p).read().split('\n');ch=False
-    for i,x in enumerate(L,1):
-        if i in ls:
-            m=pat.match(x.rstrip('\n'))
-            if m: L[i-1]=m.group(1)+m.group(3)+(' != true' if m.group(2) else ' == true')+m.group(4);ch=True;n+=1
-    if ch: open(p,'w').write('\n'.join(L))
-print('fixed',n)
-"
-```
-
-**b) 局部变量改可空（严格类型，已验证安全）** — 跑完再 `python3 tools/nullfix.py` 吃级联：
-```python
-python3 -c "
-import re,subprocess
-ERR=re.compile(r'\s+error\s+-\s+([\w/.\-]+):(\d+):(\d+)\s+-\s+(.*?)\s+-\s+([a-z_]+)\s*\$')
-NAMEQ=re.compile(r\"'([^']+)'\"); TYPE=r'(?:[A-Z]\w*(?:<[^;]*>)?|int|double|String|bool|num|dynamic|List<[^;]*>|Map<[^;]*>|Set<[^;]*>)'
-out=subprocess.run(['dart','analyze','lib'],capture_output=True,text=True).stdout;tg={}
-for ln in out.splitlines():
-    m=ERR.match(ln)
-    if m and m.group(5)=='not_assigned_potentially_non_nullable_local_variable':
-        nm=NAMEQ.search(m.group(4))
-        if nm: tg.setdefault('lib/'+m.group(1),[]).append((int(m.group(2)),nm.group(1)))
-dp=re.compile(r'^(\s+(?:final\s+|const\s+)?)('+TYPE+r')\s+(\w+)\s*;\s*\$');n=0
-for p,it in tg.items():
-    L=open(p).read().split('\n');ch=False;done=set()
-    for ul,nm in it:
-        if (ul,nm) in done: continue
-        done.add((ul,nm))
-        for i in range(ul-2,-1,-1):
-            m=dp.match(L[i])
-            if m and m.group(3)==nm and '?' not in m.group(2): L[i]=m.group(1)+m.group(2)+'? '+nm+';';ch=True;n+=1;break
-    if ch: open(p,'w').write('\n'.join(L))
-print('fixed',n)
-"
-```
-
----
-
-## 4. 工具脚本说明（`tools/`）
-
-### `tools/nullfix.py` — 主力自动修复
-```bash
-python3 tools/nullfix.py              # 修整个 lib，默认 5 轮
-python3 tools/nullfix.py --max-rounds 12
-python3 tools/nullfix.py lib/widgets/mobile/shop.dart   # 只修单文件
-```
-- 每轮重新 `dart analyze lib`，按 error 的 (file,line,col) 精确定位修改。
-- **带腐败自检**：每轮后检测 `expected_token`/`missing_identifier`，一旦 >0 立即中止并提示 `git diff`。
-- 已实现的 handler：
-  - `insert_bang`：成员访问/方法调用/迭代器/return 加 `!`（按 analyzer 分类）
-  - `insert_arg_bang`：`argument_type`/`invalid_assignment` 在参数值末尾加 `!`（值必须是简单标识符链 `[\w.\[\]()!]`，含运算符/空格跳过）
-  - `late` 实例字段、参数空安全、field-formal 字段空安全
-  - `missing_default_value_for_parameter`、`@required`→`required` 已并入
-- **已禁用的危险 handler**：基于正则的 `if(x)`→`if(x==true)`（曾破坏 89 文件）。条件修复改用 §3.3a 的 analyzer 驱动版。
-- **已知边界**：多行表达式（接收者跨行）、含空格/逗号的函数调用参数、三元/比较表达式 → 跳过，需手动。
-
-### `tools/badge_migrate.py` — 未验证，**已不需要**
-badges 3.x 迁移已手动完成（`badgeStyle`/`badgeAnimation`），此脚本可忽略/删除。
-
----
-
-## 5. 延后项
-
-### `lib/utils/util_io.dart`（6 error，仅原生）
-- 通过 `dart.library.html` 条件导入从 **Web 构建中排除**，不影响 `flutter build web`。
-- 错误来自 `flutter_local_notifications` v17 API 变更：
-  - `IOSInitializationSettings` / `IOSNotificationDetails` → v17 改名（`DarwinInitializationSettings` / `DarwinNotificationDetails`）
-  - `onSelectNotification` 参数已移除
-  - `extra_positional_arguments`（构造参数变化）
-  - `body_might_complete_normally`（`Future<void>` 缺 return）
-- 原生（Android/iOS）构建时才需要修。Web 不阻塞。
-
----
-
-## 6. 关键上下文 / 决策（避免踩坑）
-
-- **`late` 用于实例字段**：避免模型 `fromJson` 初始化列表 + State 类的级联错误。模型字段置为可空，调用点加 `!`。
-- **脚本必须 analyzer 驱动**：盲目正则会损坏代码（如 `return? item;`、`this.?field`）。`nullfix.py` 用 analyzer 的列/列定位 + 腐败自检是关键。
-- **badges 实际解析 3.2.0**（不是 2.0.3）：参数是 `badgeStyle:`/`badgeAnimation:`（不是 `badgeColor`/`animationType`/`animation`）。
-- **pinput 实际 5.0.2**：类名 `Pinput`（非 `PinPut`），导入 `package:pinput/pinput.dart`，`length`/`onCompleted`/`defaultPinDecoration`。
-- **youtube_player_iframe 5.2.2**：`YoutubePlayerController.fromVideoId(videoId:, startSeconds:, params:)`。
-- **BreadCrumb.route 已改可空**：`String? route`，调用点 `BreadCrumb(X, null)` 合法。
-- **e-Transfer**：Stripe 已全移除，付款走 `payment@wisetronic.com`，备注写 `R#<receipt.id>`。
-- **搜索框**：自写轻量 `lib/widgets/general/search_bar.dart`（非第三方包）。
-- **不升级全局 Flutter SDK**：用本地 Flutter 3.29.3 / Dart 3.7.2。
-
-## 7. 提交历史（基线 f8a90ad 之后）
-
-```
-最新  phase3: mobile/shop clean ... 131->118   ← resume 起点
-     phase3: checkout files clean ... 142->131
-     phase3: fix attribute widgets ... ~30 fixed
-     phase3: FIX arg-bang regex (missing \]) ... 235->183   ← 关键 bug 修复
-     ...（共约 28 个 phase3 提交）
-f8a90ad  基线
-```
-
-## 8. 最终验收
-
-```bash
-flutter build web        # 目标：无 error，生成 build/web
-flutter run -d chrome    # 目标：能打开、首页/商品/购物车/结账流程跑通
-```
-
----
-
-## 9. 运行时问题（应用已能运行，以下为后续优化，非阻塞）
-
-应用 `flutter run -d chrome` 已成功启动并加载首页/API 数据/数据库。控制台有以下运行时警告/异常：
-
-### 9.1 Scrollbar 缺 ScrollPosition（真实，影响滚动条显示）
-4 个 `Scrollbar(` 未配 `controller`，新版 Flutter 的 Scrollbar 找不到 ScrollPosition：
-- `lib/pages/home.dart:101` — ✅ 已修：给 `SingleChildScrollView` 加 `primary: true`
-- `lib/pages/blog.dart:24` — 子是 `DesktopBlog`（自定义组件）
-- `lib/pages/download.dart:63` — 子是 `DesktopDownloadApps`（自定义组件）
-- `lib/widgets/desktop/shop.dart:137` — 包裹 `NotificationListener`
-
-后 3 处的子是自定义组件，需让内部 ListView/ScrollView 暴露 controller（设 `primary: true`）或 Scrollbar 改用 `NotificationListener` 关联。**仅影响滚动条渲染，不影响内容加载/显示。**
-
-### 9.2 CustomersLogo setState-after-dispose（小 bug）
-`lib/widgets/desktop/desktop_customers_logo.dart` 的 `Timer.periodic`（每 10s 刷新 logo）未在 `dispose()` 里 `cancel()`，组件卸载后 timer 仍触发 `setState`。建议在 `dispose` 里 `timer?.cancel()`。**热重载时易触发，干净启动偶发。**
-
-### 9.3 `_business` LateInitializationError（热重载假象）
-`_business` 是店铺页面组件（`shop_promote.dart`/`shop.dart` 等）的 `late Business` 字段。热重载重建 widget 树时字段状态丢失触发，**干净启动（浏览器刷新 Cmd+R）不会出现**。
-
-> **验证方式**：在浏览器里 Cmd+R 刷新页面（而非热重载），9.2/9.3 类异常应消失，仅剩 9.1 的滚动条警告。

UPGRADE_NOTES.md

@@ -1,55 +0,0 @@
-# flutter_wisetronic 升级日志
-
-## 目标
-- 升级到 Dart 3 强制空安全（目标 SDK：本机 Flutter 3.29.3 / Dart 3.7.2，不升级全局）
-- 移除 Stripe 收款，改为页面展示 e-transfer email 让客户自行 e-transfer 付款
-- 第一阶段：能编译、Web 能跑起来（暂不美化）
-
-## 关键决策
-- 目标版本：Flutter 3.29.3 / Dart 3.7.2（钉定本机，不动全局）
-- e-transfer 邮箱：`payment@wisetronic.com`
-- 提醒客户在 e-transfer remark 里写 `R#<receipt.id>` 以便自动化处理订单
-- 搜索框：自写轻量 Web 搜索组件替换 flappy_search_bar
-- Dart 3 已移除 `dart migrate`，空安全迁移用手工 + IDE 修复
-
-## 阶段
-- [x] 阶段 0：基线 & 锁版本
-- [x] 阶段 1：去掉 Stripe
-- [x] 阶段 2：依赖替换与升级
-- [ ] 阶段 3：空安全迁移
-- [ ] 阶段 4：Web 跑起来
-
----
-
-## 改动记录
-
-### 阶段 0
-- 创建 UPGRADE_NOTES.md
-- pubspec.yaml: environment sdk `>=2.7.0 <3.0.0` → `>=3.0.0 <4.0.0`，flutter `>=3.29.0`
-
-### 阶段 1 — 去掉 Stripe（已完成）
-- 删除: stripe_pay_web.dart, stripe_pay.dart, desktop/mobile_stripe_pay_web.dart, stripe_payment_method.dart
-- pubspec: 移除 stripe_payment + stripe_sdk(git)
-- user.dart: 移除 stripePaymentMethods 字段与解析
-- utils.dart: 移除 createOrUpdateStripePaymentMethod / stripePaymentIntent / stripeChargedSuccess
-- util_web.dart / util_io.dart: goPayment 的 stripe/native 分支 → 跳转 ETransferPay
-- desktop/mobile_pay_now.dart: 移除“已有卡片”区块与 nativePay 死逻辑，简化列表索引
-- desktop/mobile_my_cards.dart: 重写为 e-Transfer 说明页（保留路由入口）
-- constants.dart: 新增 ETRANSFER_EMAIL(payment@wisetronic.com) 与 REMARK_PREFIX(R#)
-- 新增 lib/widgets/general/e_transfer_pay.dart: 展示邮箱 + 提醒备注写 R#<orderId>
-- 保留: PAYMENT_METHOD_CODE_STRIPE='stripe'(API 仍返回该 code，路由到 e-Transfer)；payment_platform.dart 的 'stripe' 显示名(后续美化时调整)
-
-### 阶段 2 — 依赖替换与升级（已完成）
-**flutter pub get 成功解析 178 个依赖。**
-- 升级到 null-safe 最新版：dio ^5.7、cached_network_image ^3.4、url_launcher ^6.3、path_provider ^2.1、image_picker ^1.1、google_maps_flutter ^2.9、geolocator ^12、youtube_player_iframe ^5.2、flutter_local_notifications ^17、uuid ^4、fluttertoast ^8.2、badges ^3、carousel_slider ^5、percent_indicator ^4.2.3、photo_view ^0.15、toggle_switch ^2.3、pinput ^5、email_validator ^3、responsive_builder ^0.7、flutter_redux ^0.10、fluro ^2.0.5、font_awesome_flutter ^10、flutter_spinkit ^5.2、flutter_markdown ^0.7、url_strategy ^0.3、universal_io/html
-- 删除(0引用或无 null-safe 版)：splashscreen(死代码)、flappy_search_bar、searchable_dropdown、share、platform_detect、flutter_inappwebview、countdown、gender_selection、flutter_dash(死 import)、smooth_star_rating、hovering、ffi
-- 新增：flutter_rating_bar ^4.0
-- 停维但有 null-safe 版→暂留(Phase 5 再换)：pull_to_refresh(→smart_refresher)、hive/hive_flutter(→hive_ce)、catcher ^0.8(→catcher2)
-- 新建 null-safe 自定义组件替代废弃包(API 兼容, 调用方仅改 import)：
-  - lib/utils/countdown.dart (CountDown.stream)
-  - lib/widgets/general/hover_widget.dart (HoverWidget)
-  - lib/widgets/general/gender_selection.dart (Gender 枚举 + GenderSelection)
-  - lib/widgets/general/smooth_star_rating.dart (SmoothStarRating)
-  - lib/widgets/general/search_bar.dart (轻量 Web 搜索 SearchBar + SearchBarController, 含 replayLastSearch 分页)
-- main.dart：删除未使用的 _buildBody(SplashScreen) 与 _to 字段
-- ⚠️ 待 Phase 3：API 升级破坏性变更(dio5/badges3/toggle_switch2/pinput5/geolocator12 等用法适配) + 整库空安全迁移，按 dart analyze 驱动修复

build_web.sh

@@ -1,26 +0,0 @@
-#!/usr/bin/env bash
-# Flutter Wisetronic — Web 构建脚本
-# 用法:
-#   ./build_web.sh          # 构建 release 版本到 build/web/
-#   ./build_web.sh run      # 构建并在 Chrome 中运行调试版
-#
-# 说明:
-#   - 构建(release)必须 --no-tree-shake-icons: 项目中有 24 处 IconData(codePoint)
-#     使用来自 JSON/API 的动态 code point(非 const), icon tree-shaking 无法处理。
-#     注意: --no-tree-shake-icons 仅 build 支持; flutter run(debug)不做 tree-shaking,
-#     因此 run 分支不带该 flag。
-#   - Dart SDK: 本地 Flutter 3.29.3 / Dart 3.7.2(未升级全局 SDK)。
-set -e
-cd "$(dirname "$0")"
-
-if [ "$1" = "run" ]; then
-  echo ">>> flutter run -d chrome"
-  flutter run -d chrome
-else
-  echo ">>> flutter build web --no-tree-shake-icons"
-  flutter build web --no-tree-shake-icons
-  echo ""
-  echo "✓ 构建完成: build/web/  (main.dart.js: $(du -h build/web/main.dart.js | cut -f1))"
-  echo "  本地预览: python3 -m http.server --directory build/web 8080"
-  echo "  然后访问 http://localhost:8080/"
-fi

lib/constants.dart

@@ -49,15 +49,13 @@ class Constants {
   static const String PAYMENT_METHOD_CODE_OTT_ALIPAY = 'ALIPAY';
   static const String PAYMENT_METHOD_CODE_OTT_WECHATPAY = 'WECHATPAY';
   static const String PAYMENT_METHOD_CODE_PAYPAL = 'paypal';
-  static const String PAYMENT_METHOD_CODE_STRIPE = 'stripe'; // API still returns 'stripe' code; now routed to e-Transfer
+  static const String PAYMENT_METHOD_CODE_STRIPE = 'stripe';
   static const String PAYMENT_METHOD_CODE_POD = 'payondeliverypickup';
   static const String PAYMENT_METHOD_NATIVE_PAY = 'native_pay';
 
-  // e-Transfer (replaces Stripe)
+  static const String STRIPE_STATUS_REQUIRES_CONFIRMATION = 'requires_confirmation';
-  static const String ETRANSFER_EMAIL = 'payment@wisetronic.com';
+  static const String STRIPE_CLIENT_SECRET = 'client_secret';
-  static const String ETRANSFER_QA = 'wisetronic'; // security question answer placeholder, if needed
+  static const String STRIPE_STATUS_SUCCEDED = 'succeeded';
-  // Remark template for auto-processing: R#<receipt id> (= order id)
-  static const String ETRANSFER_REMARK_PREFIX = 'R#';
 
   static const int STATUS_PENDING = 0;
   static const int STATUS_ACCEPT = 1;

lib/dialog/image_viewer.dart

@@ -3,10 +3,9 @@ import 'package:flutter/material.dart';
 import 'package:photo_view/photo_view.dart';
 
 class ImageViewer extends StatefulWidget {
-  final Key? key;
   final ImageProvider imageProvider;
 
-  ImageViewer(this.imageProvider, {this.key}) :
+  ImageViewer(this.imageProvider, {Key? key}) :
       super(key: key);
 
   @override

lib/dialog/logout_dialog.dart

@@ -33,18 +33,15 @@ AlertDialog logoutDialog(BuildContext context) {
             .yes_i_am_sure),
         onPressed: () {
           Navigator.of(context).pop();
-          Utils.getBox().then((box) {
+          Utils.prefs?.remove(Constants.KEY_USER_ID);
-            box.delete(Constants.KEY_USER_ID);
+          Utils.prefs?.remove(Constants.KEY_ACCESS_TOKEN);
-            box.delete(
+          store.dispatch(
-                Constants.KEY_ACCESS_TOKEN);
+              new UpdateCurrentUser(null));
-            store.dispatch(
+          eventBus.fire(
-                new UpdateCurrentUser(null));
+              new OnCurrentUserUpdated());
-            eventBus.fire(
+          Routes.router.navigateTo(
-                new OnCurrentUserUpdated());
+              context, '/', replace: true,
-            Routes.router.navigateTo(
+              clearStack: true);
-                context, '/', replace: true,
-                clearStack: true);
-          });
         },
       )
     ],

lib/generated/intl/messages_all.dart

@@ -24,7 +24,7 @@ Map<String, LibraryLoader> _deferredLibraries = {
   'zh_CN': () => new Future.value(null),
 };
 
-MessageLookupByLibrary? _findExact(String localeName) {
+MessageLookupByLibrary _findExact(String localeName) {
   switch (localeName) {
     case 'en':
       return messages_en.messages;
@@ -59,7 +59,7 @@ bool _messagesExistFor(String locale) {
   }
 }
 
-MessageLookupByLibrary? _findGeneratedMessagesFor(String locale) {
+MessageLookupByLibrary _findGeneratedMessagesFor(String locale) {
   var actualLocale = Intl.verifiedLocale(locale, _messagesExistFor,
       onFailure: (_) => null);
   if (actualLocale == null) return null;

lib/generated/l10n.dart

@@ -15,7 +15,7 @@ import 'intl/messages_all.dart';
 class S {
   S();
   
-  static S current = S();
+  static S current;
   
   static const AppLocalizationDelegate delegate =
     AppLocalizationDelegate();
@@ -32,7 +32,7 @@ class S {
   } 
 
   static S of(BuildContext context) {
-    return Localizations.of<S>(context, S) ?? S.current;
+    return Localizations.of<S>(context, S);
   }
 
   /// `About`

lib/main.dart

@@ -1,9 +1,4 @@
-import 'dart:async';
-
-import 'package:catcher/catcher.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:flutter_wisetronic/pages/buy_service.dart';
@@ -14,11 +9,8 @@ import 'pages/create_online_store_1.dart';
 import 'pages/download.dart';
 import 'pages/me.dart';
 import 'package:pull_to_refresh/pull_to_refresh.dart';
-// import 'package:uni_links/uni_links.dart';
 
 import 'constants.dart';
-import 'events/eventbus.dart';
-import 'events/events.dart';
 import 'generated/l10n.dart';
 import 'pages/home.dart';
 import 'pages/plain_page.dart';
@@ -33,25 +25,14 @@ import 'utils/utils.dart';
 
 void main() {
   WidgetsFlutterBinding.ensureInitialized();
-  FlutterError.onError = (details) {
-    FlutterError.presentError(details);
-    print('CK_ERROR: ${details.exceptionAsString()}');
-    print('CK_CTX: ${details.context}');
-    print('CK_STACK: ${details.stack}');
-  };
-  // Enable configureApp will cause route problem.
-  // configureApp();
   setPathUrlStrategy();
   runApp(MyApp());
-  Future.delayed(Duration(seconds: 3), () => Util.devAutologin()); // DEV e2e: 延迟 3s 等 Flutter/Hive ready
 }
 
 class MyApp extends StatelessWidget {
   MyApp() {
     Routes.configure();
     Utils().init();
-    Util().init();
-    // getCurrentPosition();
   }
 
   static getCurrentPosition() async {
@@ -101,7 +82,6 @@ class MyApp extends StatelessWidget {
 
     return MaterialApp(
       debugShowCheckedModeBanner: Constants.DEBUG,
-      navigatorKey: kIsWeb ? null : Catcher.navigatorKey,
       localizationsDelegates: [
         GlobalMaterialLocalizations.delegate,
         GlobalWidgetsLocalizations.delegate,
@@ -110,25 +90,27 @@ class MyApp extends StatelessWidget {
         S.delegate,
       ],
       supportedLocales: S.delegate.supportedLocales,
-      localeResolutionCallback: (Locale? locale, Iterable<Locale> supportedLocales) {
+      localeResolutionCallback: (Locale? locale, Iterable<Locale>? supportedLocales) {
-        if (locale == null) {
+        print('Language code: ${locale?.languageCode}, Country code: ${locale?.countryCode}');
-          store.dispatch(UpdateLocale(supportedLocales.first));
+        if (locale != null && supportedLocales != null) {
-          return supportedLocales.first;
+          for (final supportedLocale in supportedLocales) {
-        }
+            if (supportedLocale.languageCode == locale.languageCode) {
-        print('Language code: ${locale.languageCode}, Country code: ${locale.countryCode}');
+              store.dispatch(UpdateLocale(locale));
-        for (final supportedLocale in supportedLocales) {
+              return supportedLocale;
-          if (supportedLocale.languageCode == locale.languageCode) {
+            }
-            store.dispatch(UpdateLocale(locale));
-            return supportedLocale;
           }
-        }
+          store.dispatch(UpdateLocale(supportedLocales.first));
-        store.dispatch(UpdateLocale(supportedLocales.first));
         return supportedLocales.first;
+        }
+        return null;
       },
       onGenerateRoute: (RouteSettings settings) {
-        final List<String> pathElements = settings.name?.split('/') ?? [];
+        final uri = Uri.parse(settings.name!);
-        print('path elements: $pathElements');
+        final path = uri.path;
-        if (pathElements.isEmpty || pathElements[0] != '') {
+        print('path: $path');
+        final List<String> pathElements = path.split('/');
+        print('path elements --> $pathElements');
+        if (pathElements[0] != '') {
           return null;
         }
         if (pathElements[1] == 'me') {
@@ -172,12 +154,12 @@ class MyApp extends StatelessWidget {
                 ),
           );
         }
-        if (pathElements[1] == 'renew-minioffice' && pathElements.length >= 3) {
+        if (pathElements[1] == 'renew-minioffice') {
           return MaterialPageRoute(builder: (BuildContext context) =>
             RenewMiniOffice(int.parse(pathElements[2]))
           );
         }
-        if (pathElements[1] == 'buy-service' && pathElements.length >= 4) {
+        if (pathElements[1] == 'buy-service') {
           return MaterialPageRoute(builder: (BuildContext context) =>
             BuyService(int.parse(pathElements[2]), pathElements[3])
           );

lib/models/Subproduct.dart

@@ -4,9 +4,9 @@ import 'dart:convert';
 import 'package:flutter_wisetronic/models/product_attribute.dart';
 
 class Subproduct {
-  int? id;
+  int id;
-  SimpleProduct? product;
+  SimpleProduct product;
-  double? quantity;
+  double quantity;
 
   Subproduct.fromJson(Map<String, dynamic> json) :
       id = json['id'],
@@ -26,15 +26,15 @@ class Subproduct {
 }
 
 class SimpleProduct {
-  int? id;
+  int id;
-  String? name;
+  String name;
-  String? sku;
+  String sku;
-  double? price;
+  double price;
-  String? description;
+  String description;
-  String? image;
+  String image;
-  List<ProductAttribute>? productAttributes;
+  List<ProductAttribute> productAttributes;
-  double? customerLastPrice;
+  double customerLastPrice;
-  String? extraData;
+  String extraData;
 
   SimpleProduct.fromJson(Map<String, dynamic> json) :
       id = json['id'],

lib/models/blog.dart

@@ -2,8 +2,8 @@
 import 'dart:convert';
 
 class Section {
-  int? id;
+  int id;
-  String? name;
+  String name;
 
   Section.fromJson(Map<String, dynamic> json) :
       id = json['id'],
@@ -21,14 +21,14 @@ class Section {
 }
 
 class Blog {
-  int? id;
+  int id;
-  String? title;
+  String title;
-  String? body;
+  String body;
-  String? createdAt;
+  String createdAt;
-  String? thumbUrl;
+  String thumbUrl;
-  String? imageUrl;
+  String imageUrl;
-  String? videoUrl;
+  String videoUrl;
-  Section? section;
+  Section section;
 
   Blog.fromJson(Map<String, dynamic> json) :
       id = json['id'],

lib/models/booking_date_time.dart

@@ -4,10 +4,10 @@ import 'dart:convert';
 import 'booking_time.dart';
 
 class BookingDateTime {
-  String? viewDate;
+  String viewDate;
-  int? unixTime;
+  int unixTime;
-  String? sendTimeTip;
+  String sendTimeTip;
-  List<BookingTime>? bookTimes;
+  List<BookingTime> bookTimes;
 
   BookingDateTime(this.viewDate, this.unixTime, this.sendTimeTip, this.bookTimes);
 

lib/models/booking_time.dart

@@ -2,9 +2,9 @@
 import 'dart:convert';
 
 class BookingTime {
-  String? viewTime;
+  String viewTime;
-  int? unixTime;
+  int unixTime;
-  String? sendTimeTip;
+  String sendTimeTip;
 
   BookingTime(this.viewTime, this.unixTime, this.sendTimeTip);
 

lib/models/business.dart

@@ -8,7 +8,7 @@ import 'product.dart';
 import 'waiting_line.dart';
 
 class QuickInput {
-  String? value;
+  String value;
   QuickInput.fromJson(Map<String, dynamic> json)
     : value = json['value'];
 
@@ -23,48 +23,48 @@ class QuickInput {
 }
 
 class Business {
-  int? id;
+  int id;
-  String? name;
+  String name;
-  String? phone;
+  String phone;
-  Address? address;
+  Address address;
-  String? fullAddress;
+  String fullAddress;
-  String? picUrl;
+  String picUrl;
-  int? status;
+  int status;
-  List<BusinessTime>? openingTime;
+  List<BusinessTime> openingTime;
-  double? shippingFee;
+  double shippingFee;
-  double? packageFee;
+  double packageFee;
-  double? minPrice;
+  double minPrice;
-  int? shippingTime;
+  int shippingTime;
-  int? monthSales;
+  int monthSales;
-  String? bulletin;
+  String bulletin;
-  int? category;
+  int category;
-  bool? isLike;
+  bool isLike;
-  String? description;
+  String description;
-  String? policy;
+  String policy;
-  String? bannerImageUrl;
+  String bannerImageUrl;
-  int? todayOpen;
+  int todayOpen;
-  int? todayClose;
+  int todayClose;
-  bool? showMonthlySold;
+  bool showMonthlySold;
-  List<ImageUrl>? slideImages;
+  List<ImageUrl> slideImages;
-  List<Product>? promoProducts;
+  List<Product> promoProducts;
-  String? paypalEmail;
+  String paypalEmail;
-  bool? deliveryCanadaPost;
+  bool deliveryCanadaPost;
-  bool? deliveryStoreDelivery;
+  bool deliveryStoreDelivery;
-  bool? deliveryPickup;
+  bool deliveryPickup;
-  String? currency;
+  String currency;
-  List<WaitingLine>? waitingLine;
+  List<WaitingLine> waitingLine;
-  bool? enableWaitingLine;
+  bool enableWaitingLine;
-  double? pointsToCreditsConversionRate;
+  double pointsToCreditsConversionRate;
-  String? chaseXLogin;
+  String chaseXLogin;
-  String? chaseTransactionKey;
+  String chaseTransactionKey;
-  String? chaseResponseKey;
+  String chaseResponseKey;
   DistanceInfo? distanceInfo;
-  int? commentsCount;
+  int commentsCount;
-  bool? forceClose;
+  bool forceClose;
-  bool? isPublic;
+  bool isPublic;
-  double? referrerCoupon;
+  double referrerCoupon;
-  bool? instanceDelivery;
+  bool instanceDelivery;
-  List<QuickInput>? quickInputs;
+  List<QuickInput> quickInputs;
 
   Business.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/business_time.dart

@@ -1,8 +1,8 @@
 import 'dart:convert';
 
 class BusinessTime {
-  String? openTime;
+  String openTime;
-  String? closeTime;
+  String closeTime;
 
   BusinessTime.fromJson(Map<String, dynamic> json)
     : openTime = json['open_time'],

lib/models/cart_info.dart

@@ -74,19 +74,19 @@ class CartInfo {
     originPrice = 0.0;
     discountPrice = 0.0;
     totalPrice = 0.0;
-    for (var i = 0; i < (productList?.length ?? 0); i++) {
+    for (var i = 0; i < productList!.length; i++) {
       newTotal += productList![i].getTotalPrice();
     }
     originPrice = newTotal;
     totalPrice = newTotal;
-    return totalPrice ?? 0.0;
+    return totalPrice!;
   }
 
   int getProductListTotalQuantity() {
     int qty = 0;
     if (productList != null && productList!.length > 0) {
       for (var i = 0; i < productList!.length; i++) {
-        qty += (productList![i].quantity ?? 0).round();
+        qty += productList![i].quantity!.round();
       }
     }
     return qty;

lib/models/cart_line_item.dart

@@ -48,7 +48,7 @@ class CartLineItem {
   }
 
   double getTotalPrice() {
-    totalPrice = (unitPrice ?? 0.0) * (quantity ?? 0);
+    totalPrice = unitPrice! * quantity!;
-    return totalPrice ?? 0.0;
+    return totalPrice!;
   }
 }

lib/models/category.dart

@@ -2,8 +2,8 @@
 import 'dart:convert';
 
 class Category {
-  int? id;
+  int id;
-  String? name;
+  String name;
 
   Category.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/category_products.dart

@@ -4,12 +4,12 @@ import 'dart:convert';
 import 'product.dart';
 
 class CategoryProducts {
-  int? id;
+  int id;
-  int? businessId;
+  int businessId;
-  String? name;
+  String name;
-  String? description;
+  String description;
-  String? iconUrl;
+  String iconUrl;
-  List<Product>? products;
+  List<Product> products;
 
   CategoryProducts.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/comment.dart

@@ -4,15 +4,15 @@ import 'dart:convert';
 import 'product_image.dart';
 
 class Comment {
-  int? id;
+  int id;
-  String? contact;
+  String contact;
-  String? content;
+  String content;
-  int? rating;
+  int rating;
-  List<ProductImage>? images;
+  List<ProductImage> images;
-  String? createdAt;
+  String createdAt;
-  int? thumbUp;
+  int thumbUp;
-  int? thumbDown;
+  int thumbDown;
-  String? replyFromStore;
+  String replyFromStore;
 
   Comment.fromJson(Map<String, dynamic> json) :
       id = json['id'],

lib/models/coupon.dart

@@ -4,14 +4,14 @@ import 'dart:convert';
 import 'business.dart';
 
 class Coupon {
-  int? id;
+  int id;
-  String? code;
+  String code;
-  String? description;
+  String description;
-  String? expirationDate;
+  String expirationDate;
-  double? minAmount;
+  double minAmount;
   Business? store;
-  double? valueAmount;
+  double valueAmount;
-  bool? isPercentage;
+  bool isPercentage;
 
   Coupon.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/error_message.dart

@@ -2,8 +2,8 @@
 import 'dart:convert';
 
 class ErrorMessage {
-  String? code;
+  String code;
-  String? string;
+  String string;
 
   ErrorMessage.fromJson(Map<String, dynamic> json)
     : code = json['code'],

lib/models/extra_fee.dart

@@ -3,11 +3,11 @@
 import 'dart:convert';
 
 class ExtraFee {
-  int? id;
+  int id;
-  String? name;
+  String name;
-  String? description;
+  String description;
-  double? rate;
+  double rate;
-  double? price;
+  double price;
 
   ExtraFee.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/fulfillment.dart

@@ -2,11 +2,11 @@
 import 'dart:convert';
 
 class Fulfillment {
-  int? id;
+  int id;
-  String? shippingMethod;
+  String shippingMethod;
-  String? trackingNumber;
+  String trackingNumber;
-  String? note;
+  String note;
-  String? createdAt;
+  String createdAt;
 
   Fulfillment.fromJson(Map<String, dynamic> json) :
       id = json['id'],

lib/models/gallery.dart

@@ -2,9 +2,9 @@
 import 'dart:convert';
 
 class Gallery {
-  int? id;
+  int id;
-  String? image;
+  String image;
-  String? linkUrl;
+  String linkUrl;
 
   Gallery.fromJson(Map<String, dynamic> json)
       : id = json['id'],

lib/models/group.dart

@@ -3,8 +3,8 @@
 import 'dart:convert';
 
 class Group {
-  int? id;
+  int id;
-  String? name;
+  String name;
 
   Group.fromJson(Map<String, dynamic> json) :
       id = json['id'],

lib/models/image_url.dart

@@ -1,8 +1,8 @@
 import 'dart:convert';
 
 class ImageUrl {
-  int? id;
+  int id;
-  String? imageUrl;
+  String imageUrl;
 
   ImageUrl.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/key_value.dart

@@ -1,7 +1,7 @@
 
 class KeyValue {
-  String? name;
+  String name;
-  dynamic? value;
+  dynamic value;
 
   KeyValue(this.name, this.value);
 

lib/models/located_address.dart

@@ -1,17 +1,17 @@
 import 'dart:convert';
 
 class LocatedAddress {
-  int? storeId;
+  int storeId;
-  double? latitude;
+  double latitude;
-  double? longitude;
+  double longitude;
-  String? streetNumber;
+  String streetNumber;
-  String? streetName;
+  String streetName;
-  String? city;
+  String city;
-  String? locality;
+  String locality;
-  String? province;
+  String province;
-  String? country;
+  String country;
-  String? postalCode;
+  String postalCode;
-  String? formattedAddress;
+  String formattedAddress;
 
   LocatedAddress.fromJson(Map<String, dynamic> json)
     : storeId = json['store_id'],

lib/models/order.dart

@@ -11,32 +11,32 @@ import 'fulfillment.dart';
 import 'user_position.dart';
 
 class Order {
-  int? id;
+  int id;
-  int? userId;
+  int userId;
-  int? businessId;
+  int businessId;
   Business? businessInfo;
   CartInfo? cartInfo;
-  int? status;
+  int status;
-  double? originPrice;
+  double originPrice;
-  double? discountPrice;
+  double discountPrice;
-  double? totalPrice;
+  double totalPrice;
-  String? consignee;
+  String consignee;
-  String? phone;
+  String phone;
-  String? address;
+  String address;
   Address? shippingAddress;
-  int? payMethod;
+  int payMethod;
-  String? remark;
+  String remark;
-  String? orderNum;
+  String orderNum;
-  int? bookedAt;
+  int bookedAt;
-  int? createdAt;
+  int createdAt;
-  String? shippingMethod;
+  String shippingMethod;
   String paymentStatus; // UNPAID, PAID, PARTIALPAID
-  double? amountPaid;
+  double amountPaid;
-  List<Fulfillment>? fulfillments;
+  List<Fulfillment> fulfillments;
   String? extraData;
-  bool? hasComment;
+  bool hasComment;
-  double? fee;
+  double fee;
-  UserPosition? shipperPosition;
+  UserPosition shipperPosition;
   DistanceInfo? deliveryDistance;
 
   Order.fromJson(Map<String, dynamic> json)
@@ -100,8 +100,10 @@ class Order {
 
   double getSubtotal() {
     double subtotal = 0.0;
-    for (CartLineItem lineItem in cartInfo?.productList ?? <CartLineItem>[]) {
+    if (cartInfo != null) {
-      subtotal += lineItem.getTotalPrice();
+      for (CartLineItem lineItem in cartInfo!.productList!) {
+        subtotal += lineItem.getTotalPrice();
+      }
     }
     return subtotal;
   }

lib/models/payment_platform.dart

@@ -57,16 +57,12 @@ class PaymentPlatform {
     switch(code) {
       case 'chase':
         return S.of(context).credit_debit_card;
-        break;
       case 'web-credit-card':
         return S.of(context).credit_card;
-        break;
       case 'ALIPAY':
         return S.of(context).alipay;
-        break;
       case 'WECHATPAY':
         return S.of(context).wechatpay;
-        break;
       case 'paypal':
         return S.of(context).paypal;
       case 'payondeliverypickup':

lib/models/position.dart

@@ -1,9 +1,9 @@
 
 class Position {
-  final double? latitude;
+  final double latitude;
-  final double? longitude;
+  final double longitude;
 
-  Position({this.latitude, this.longitude});
+  Position({required this.latitude, required this.longitude});
 
   @override
   bool operator ==(other) {

lib/models/product_attribute.dart

@@ -4,14 +4,14 @@ import 'dart:convert';
 import 'product_option.dart';
 
 class ProductAttribute {
-  int? id;
+  int id;
-  String? name;
+  String name;
-  List<ProductOption>? productOptions;
+  List<ProductOption> productOptions;
-  bool? singleSelection;
+  bool singleSelection;
-  bool? byQuantity;
+  bool byQuantity;
-  bool? required;
+  bool required;
   String? extra;
-  bool? disabled;
+  bool disabled;
 
   ProductAttribute.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/product_detail.dart

@@ -8,30 +8,30 @@ import 'product_attribute.dart';
 import 'product_image.dart';
 
 class ProductDetail {
-  int? id;
+  int id;
-  String? image;
+  String image;
-  List<ProductImage>? images;
+  List<ProductImage> images;
-  String? sku;
+  String sku;
-  String? name;
+  String name;
-  double? price;
+  double price;
-  double? regularPrice;
+  double regularPrice;
-  String? description;
+  String description;
-  String? description2;
+  String description2;
-  String? detailDescription;
+  String detailDescription;
-  double? monthSales;
+  double monthSales;
-  int? rate;
+  int rate;
-  double? leftNum;
+  double leftNum;
-  List<ProductAttribute>? productAttributes;
+  List<ProductAttribute> productAttributes;
-  bool? nonInventory;
+  bool nonInventory;
-  String? extraData;
+  String extraData;
-  String? purchaseNote;
+  String purchaseNote;
-  double? weight;
+  double weight;
-  double? dimentionsLength;
+  double dimentionsLength;
-  double? dimentionsWidth;
+  double dimentionsWidth;
-  double? dimentionsHeight;
+  double dimentionsHeight;
-  bool? reviewsAllowed;
+  bool reviewsAllowed;
-  List<Category>? categories;
+  List<Category> categories;
-  List<Subproduct>? subproducts;
+  List<Subproduct> subproducts;
 
   ProductDetail.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/product_image.dart

@@ -1,8 +1,8 @@
 import 'dart:convert';
 
 class ProductImage {
-  int? id;
+  int id;
-  String? image;
+  String image;
 
   ProductImage.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/product_option.dart

@@ -2,11 +2,11 @@
 import 'dart:convert';
 
 class ProductOption {
-  int? id;
+  int id;
-  String? name;
+  String name;
-  double? adjustAmount;
+  double adjustAmount;
-  String? extra;
+  String extra;
-  bool? disabled;
+  bool disabled;
 
   ProductOption.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/shipping_rate.dart

@@ -4,9 +4,9 @@ import 'dart:convert';
 import 'package:flutter/foundation.dart';
 
 class ShippingRate {
-  String? name;
+  String name;
-  double? price;
+  double price;
-  List<Rate>? rates;
+  List<Rate> rates;
 
   ShippingRate.fromJson(Map<String, dynamic> json)
     : name = json['name'],
@@ -25,7 +25,7 @@ class ShippingRate {
           other is ShippingRate &&
           runtimeType == other.runtimeType &&
           name == other.name &&
-          price?.toStringAsFixed(2) == other.price?.toStringAsFixed(2) &&
+          price.toStringAsFixed(2) == other.price.toStringAsFixed(2) &&
           listEquals(rates, other.rates);
 
   @override
@@ -41,8 +41,8 @@ class ShippingRate {
 }
 
 class Rate {
-  String? name;
+  String name;
-  double? rate;
+  double rate;
 
   Rate.fromJson(Map<String, dynamic> json)
     : name = json['name'],
@@ -59,7 +59,7 @@ class Rate {
           other is Rate &&
           runtimeType == other.runtimeType &&
           name == other.name &&
-          rate?.toStringAsFixed(2) == other.rate?.toStringAsFixed(2);
+          rate.toStringAsFixed(2) == other.rate.toStringAsFixed(2);
 
   @override
   String toString() {

lib/models/simple_business.dart

@@ -4,9 +4,9 @@ import 'dart:convert';
 import 'address.dart';
 
 class Store {
-  int? id;
+  int id;
-  String? name;
+  String name;
-  Address? address;
+  Address address;
 
   Store.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/simple_product.dart

@@ -1,12 +1,12 @@
 import 'dart:convert';
 
 class SimpleProduct {
-  int? id;
+  int id;
-  String? name;
+  String name;
-  double? price;
+  double price;
-  double? regularPrice;
+  double regularPrice;
-  String? description;
+  String description;
-  String? imagePath;
+  String imagePath;
 
   SimpleProduct.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/stripe_payment_method.dart

@@ -0,0 +1,46 @@
+
+import 'dart:convert';
+
+class StripePaymentMethod {
+  int id;
+  String customerId;
+  String paymentMethodId;
+  String paymentMethodType;
+  String cardBrand;
+  String cardCountry;
+  int cardExpMonth;
+  int cardExpYear;
+  String cardFunding;
+  String cardLast4;
+
+  StripePaymentMethod.fromJson(Map<String, dynamic> json) :
+        id = json['id'],
+        customerId = json['customer_id'],
+        paymentMethodId = json['payment_method_id'],
+        paymentMethodType = json['payment_method_type'],
+        cardBrand = json['card_brand'],
+        cardCountry = json['card_country'],
+        cardExpMonth = json['card_exp_month'],
+        cardExpYear = json['card_exp_year'],
+        cardFunding = json['card_funding'],
+        cardLast4 = json['card_last4'];
+
+  Map<String, dynamic> toJson() => {
+    'id': id,
+    'customer_id': customerId,
+    'payment_method_id': paymentMethodId,
+    'payment_method_type': paymentMethodType,
+    'card_brand': cardBrand,
+    'card_country': cardCountry,
+    'card_exp_month': cardExpMonth,
+    'card_exp_year': cardExpYear,
+    'card_funding': cardFunding,
+    'card_last4': cardLast4,
+  };
+
+  @override
+  String toString() {
+    return json.encode(this);
+  }
+
+}

lib/models/text_value.dart

@@ -2,8 +2,8 @@
 import 'dart:convert';
 
 class TextValue {
-  String? text;
+  String text;
-  int? value;
+  int value;
 
   TextValue.fromJson(Map<String, dynamic> json)
       : text = json['text'],

lib/models/ticket.dart

@@ -4,10 +4,10 @@ import 'dart:convert';
 import 'simple_business.dart';
 
 class TicketFile {
-  int? id;
+  int id;
-  String? url;
+  String url;
-  String? fileName;
+  String fileName;
-  String? fileType;
+  String fileType;
 
   TicketFile.fromJson(Map<String, dynamic> json)
     : id = json['id'],
@@ -29,9 +29,9 @@ class TicketFile {
 }
 
 class Issue {
-  int? id;
+  int id;
-  String? msg;
+  String msg;
-  List<TicketFile>? files;
+  List<TicketFile> files;
 
   Issue.fromJson(Map<String, dynamic> json)
     : id = json['id'],
@@ -51,11 +51,11 @@ class Issue {
 }
 
 class FollowUp {
-  int? id;
+  int id;
-  String? msg;
+  String msg;
-  String? poster;
+  String poster;
-  String? createdAt;
+  String createdAt;
-  List<TicketFile>? files;
+  List<TicketFile> files;
 
   FollowUp.fromJson(Map<String, dynamic> json)
     : id = json['id'],
@@ -79,12 +79,12 @@ class FollowUp {
 }
 
 class Ticket {
-  int? id;
+  int id;
-  Issue? issue;
+  Issue issue;
-  Store? store;
+  Store store;
-  List<FollowUp>? followUps;
+  List<FollowUp> followUps;
-  bool? isClosed;
+  bool isClosed;
-  String? createdAt;
+  String createdAt;
 
   Ticket.fromJson(Map<String, dynamic> json)
     : id = json['id'],

lib/models/user.dart

@@ -1,23 +1,26 @@
 
 import 'dart:convert';
 
+import 'stripe_payment_method.dart';
+
 class User {
-  int? id;
+  int id;
-  String? username;
+  String username;
-  String? nickname;
+  String nickname;
-  String? mobile;
+  String mobile;
-  String? email;
+  String email;
-  String? avatarUrl;
+  String avatarUrl;
-  int? lastAddressId;
+  int lastAddressId;
-  String? passCode;
+  String passCode;
-  double? credit;
+  double credit;
-  double? wallet;
+  double wallet;
-  int? coupon;
+  int coupon;
-  int? points;
+  int points;
-  int? orderNum;
+  int orderNum;
-  double? pointsToCreditsConversionRate;
+  double pointsToCreditsConversionRate;
-  String? contactNumber;
+  String contactNumber;
-  String? flutterMiniStoreToken;
+  String flutterMiniStoreToken;
+  List<StripePaymentMethod> stripePaymentMethods;
 
   User.fromJson(Map<String, dynamic> json)
       : id = json['id'],
@@ -35,7 +38,8 @@ class User {
         orderNum = json['order_num'],
         pointsToCreditsConversionRate = double.parse(json['points_to_credits_conversion_rate'].toString()),
         contactNumber = json['contact_number'],
-        flutterMiniStoreToken = json['flutter_ministore_token'];
+        flutterMiniStoreToken = json['flutter_ministore_token'],
+        stripePaymentMethods = (json['stripe_payment_methods'] as List).map((e) => StripePaymentMethod.fromJson(e)).toList();
 
   Map<String, dynamic> toJson() => {
     'id': id,
@@ -54,6 +58,7 @@ class User {
     'points_to_credits_conversion_rate': pointsToCreditsConversionRate,
     'contact_number': contactNumber,
     'flutter_ministore_token': flutterMiniStoreToken,
+    'stripe_payment_methods': stripePaymentMethods,
   };
 
   @override

lib/models/user_position.dart

@@ -2,8 +2,8 @@
 import 'dart:convert';
 
 class UserPosition {
-  double? lat;
+  double lat;
-  double? lng;
+  double lng;
 
   UserPosition.fromJson(Map<String, dynamic> json) :
       lat = double.parse(json['lat'].toString()),

lib/models/waiting_line_item.dart

@@ -1,11 +1,11 @@
 import 'dart:convert';
 
 class WaitingLineItem {
-  String? deviceId;
+  String deviceId;
-  String? phone;
+  String phone;
-  String? createdAt;
+  String createdAt;
-  int? peopleCount;
+  int peopleCount;
-  int? waitingNumber;
+  int waitingNumber;
 
   WaitingLineItem.fromJson(Map<String, dynamic> json)
     : deviceId = json['device_id'],

lib/pages/attribute_selection.dart

@@ -6,21 +6,18 @@ import '../models/business.dart';
 import '../models/product.dart';
 
 class AttributeSelection extends StatelessWidget {
-  final Product? product;
+  final Product product;
-  final Business? business;
+  final Business business;
   final GlobalKey? startKey;
 
-  const AttributeSelection({Key? key, this.product, this.business, this.startKey}) : super(key: key);
+  const AttributeSelection({Key? key, required this.product, required this.business, this.startKey}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
-    return ResponsiveBuilder(
+    return ScreenTypeLayout.builder(
-      builder: (context, sizingInformation) =>
+      mobile: (context) => MobileAttributeSelection(product: product, business: business, startKey: startKey),
-        ScreenTypeLayout(
+      tablet: (context) => MobileAttributeSelection(product: product, business: business, startKey: startKey),
-          mobile: MobileAttributeSelection(product: product!, business: business!, startKey: startKey,),
+      desktop: (context) => MobileAttributeSelection(product: product, business: business, startKey: startKey),
-          tablet: MobileAttributeSelection(product: product!, business: business!, startKey: startKey,),
-          desktop: MobileAttributeSelection(product: product!, business: business!, startKey: startKey,),
-        ),
     );
   }
 

lib/pages/blog.dart

@@ -8,24 +8,20 @@ import '../widgets/desktop/desktop_blog.dart';
 import '../widgets/mobile/mobile_blog.dart';
 
 class Blog extends StatelessWidget {
-  final Key? key;
   final int businessId;
 
-  const Blog({this.key, int? businessId}) :
+  const Blog({Key? key, required int businessId}) :
       businessId = businessId ?? Constants.BUSINESS_ID;
 
   @override
   Widget build(BuildContext context) {
-    return ResponsiveBuilder(
+    return ScreenTypeLayout.builder(
-      builder: (context, sizingInformation) =>
+      mobile: (context) => MobileBlog(businessId: businessId),
-        ScreenTypeLayout(
+      tablet: (context) => DesktopBlog(businessId: businessId),
-          mobile: MobileBlog(businessId: businessId,),
+      desktop: (context) => Scrollbar(
-          tablet: DesktopBlog(businessId: businessId,),
+        thumbVisibility: true,
-          desktop: Scrollbar(
+        child: DesktopBlog(businessId: businessId),
-            thumbVisibility: true,
+      ),
-            child: DesktopBlog(businessId: businessId,),
-          ),
-        ),
     );
   }
 

lib/pages/buy_service.dart

@@ -20,7 +20,7 @@ class BuyService extends StatefulWidget {
   final int gid;
   final String serviceName;
   final String? domain;
-  final int sid;
+  final int? sid;
 
   const BuyService(this.gid, this.serviceName, {Key? key, this.domain, this.sid = 0}) :
       super(key: key);
@@ -48,13 +48,10 @@ class BuyServiceState extends State<BuyService> {
       );
     }
 
-    return ResponsiveBuilder(
+    return ScreenTypeLayout.builder(
-      builder: (context, sizingInformation) =>
+      mobile: (context) => MobileBuyService(data),
-          ScreenTypeLayout(
+      tablet: (context) => DesktopBuyService(data),
-            mobile: MobileBuyService(data!),
+      desktop: (context) => DesktopBuyService(data),
-            tablet: DesktopBuyService(data!),
-            desktop: DesktopBuyService(data!),
-          ),
     );
   }
 
@@ -72,16 +69,12 @@ class BuyServiceState extends State<BuyService> {
         'store_id': '${widget.sid}',
       }
     ).then((value) {
-      if (!mounted) return;
+      data = value;
-      if (value == null || value is! Map || value['service_selections'] == null) {
+      data?['domain'] = widget.domain;
-        Utils.showMessageDialog(context, 'Service info unavailable');
+      print('data: $data');
-        return;
-      }
-      data = Map<String, dynamic>.from(value);
-      data!['domain'] = widget.domain;
       setState(() {});
     }).onError((error, stackTrace) {
-      if (mounted) Utils.showMessageDialog(context, error);
+      Utils.showMessageDialog(context, error);
     });
   }
 }

lib/pages/change_mobile_or_email.dart

@@ -31,15 +31,15 @@ class ChangeMobileOrEmail extends StatelessWidget {
               breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
             ),
             drawer: null,
-            body: ScreenTypeLayout(
+            body: ScreenTypeLayout.builder(
-              mobile: MobileChangeMobileOrEmail(isMobile),
+              mobile: (context) => MobileChangeMobileOrEmail(isMobile),
-              tablet: DesktopChangeMobileOrEmail(isMobile),
+              tablet: (context) => DesktopChangeMobileOrEmail(isMobile),
-              desktop: DesktopChangeMobileOrEmail(isMobile),
+              desktop: (context) => DesktopChangeMobileOrEmail(isMobile),
             ),
-            bottomNavigationBar: ScreenTypeLayout(
+            bottomNavigationBar: ScreenTypeLayout.builder(
-              mobile: MobileBottomNav(currentIndex: 0,),
+              mobile: (context) => MobileBottomNav(currentIndex: 0,),
-              tablet: BottomNav(),
+              tablet: (context) => BottomNav(),
-              desktop: BottomNav(),
+              desktop: (context) => BottomNav(),
             ),
           ),
     );

lib/pages/change_password.dart

@@ -29,15 +29,15 @@ class ChangePassword extends StatelessWidget {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileChangePassword(),
+            mobile: (context) => MobileChangePassword(),
-            tablet: DesktopChangePassword(),
+            tablet: (context) => DesktopChangePassword(),
-            desktop: DesktopChangePassword(),
+            desktop: (context) => DesktopChangePassword(),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/pages/checkout.dart

@@ -20,10 +20,10 @@ class Checkout extends StatelessWidget {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileCheckout(businessId),
+            mobile: (context) => MobileCheckout(businessId),
-            tablet: DesktopCheckout(businessId),
+            tablet: (context) => DesktopCheckout(businessId),
-            desktop: DesktopCheckout(businessId),
+            desktop: (context) => DesktopCheckout(businessId),
           ),
     );
   }

lib/pages/contact_us.dart

@@ -12,9 +12,9 @@ import '../widgets/desktop/desktop_contact_us.dart';
 import '../widgets/mobile/mobile_contact_us.dart';
 
 class ContactUs extends StatefulWidget {
-  final int? businessId;
+  final int businessId;
 
-  const ContactUs({this.businessId, Key? key}) :
+  const ContactUs({required this.businessId, Key? key}) :
       super(key: key);
 
   @override
@@ -42,10 +42,10 @@ class ContactUsState extends State<ContactUs> {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileContactUs(business!),
+            mobile: (context) => MobileContactUs(business!),
-            tablet: DesktopContactUs(business!),
+            tablet: (context) => DesktopContactUs(business!),
-            desktop: DesktopContactUs(business!),
+            desktop: (context) => DesktopContactUs(business!),
           ),
     );
   }
@@ -59,7 +59,7 @@ class ContactUsState extends State<ContactUs> {
   void loadData() {
     HttpUtil.httpGet(
       'v1/get-business',
-      businessId: widget.businessId!,
+      businessId: widget.businessId,
     ).then((value) {
       business = Business.fromJson(value);
       setState(() {});

lib/pages/coupons.dart

@@ -20,10 +20,10 @@ class Coupons extends StatelessWidget {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileCoupons(contactId,),
+            mobile: (context) => MobileCoupons(contactId,),
-            tablet: DesktopCoupons(contactId,),
+            tablet: (context) => DesktopCoupons(contactId,),
-            desktop: DesktopCoupons(contactId,),
+            desktop: (context) => DesktopCoupons(contactId,),
           ),
     );
   }

lib/pages/create_online_store_1.dart

@@ -33,10 +33,10 @@ class CreateOnlineStore1State extends State<CreateOnlineStore1> {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: mobile.CreateOnlineStore1(Constants.BUSINESS_ID),
+            mobile: (context) => mobile.CreateOnlineStore1(Constants.BUSINESS_ID),
-            tablet: desktop.CreateOnlineStore1(Constants.BUSINESS_ID),
+            tablet: (context) => desktop.CreateOnlineStore1(Constants.BUSINESS_ID),
-            desktop: desktop.CreateOnlineStore1(Constants.BUSINESS_ID),
+            desktop: (context) => desktop.CreateOnlineStore1(Constants.BUSINESS_ID),
           ),
     );
   }

lib/pages/download.dart

@@ -57,18 +57,18 @@ class DownloadState extends State<Download> {
               breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
             ),
             drawer: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? MobileNavigationDrawer() : null,
-            body: ScreenTypeLayout(
+            body: ScreenTypeLayout.builder(
-              mobile: MobileDownloadApps(data!),
+              mobile: (context) => MobileDownloadApps(data!),
-              tablet: DesktopDownloadApps(data!),
+              tablet: (context) => DesktopDownloadApps(data!),
-              desktop: Scrollbar(
+              desktop: (context) => Scrollbar(
                 thumbVisibility: true,
                 child: DesktopDownloadApps(data!),
               ),
             ),
-            bottomNavigationBar: ScreenTypeLayout(
+            bottomNavigationBar: ScreenTypeLayout.builder(
-              mobile: MobileBottomNav(),
+              mobile: (context) => MobileBottomNav(),
-              tablet: BottomNav(),
+              tablet: (context) => BottomNav(),
-              desktop: BottomNav(),
+              desktop: (context) => BottomNav(),
             ),
           ),
     );
@@ -79,7 +79,7 @@ class DownloadState extends State<Download> {
     super.initState();
     eventBus.on<OpenDrawer>().listen((event) {
       if (mounted) {
-        _scaffoldKey.currentState!.openDrawer();
+        _scaffoldKey.currentState?.openDrawer();
       }
     });
     _loadData();

lib/pages/edit_address.dart

@@ -13,20 +13,19 @@ import '../widgets/general/navigationbar.dart';
 import '../widgets/mobile/MobileBottomNav.dart';
 
 class EditAddress extends StatelessWidget {
-  final Key? key;
+  final Address? address;
-  final Address address;
+  final int? businessId;
-  final int businessId;
+  const EditAddress(this.address, {Key? key, int? businessId}) :
-  const EditAddress(this.address, {this.key, int? businessId}) :
       businessId = businessId ?? Constants.BUSINESS_ID;
 
   @override
   Widget build(BuildContext context) {
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileEditAddress(address, businessId: businessId,),
+            mobile: (context) => MobileEditAddress(address, businessId: businessId,),
-            tablet: DesktopEditAddress(address, businessId: businessId,),
+            tablet: (context) => DesktopEditAddress(address, businessId: businessId,),
-            desktop: DesktopEditAddress(address, businessId: businessId,),
+            desktop: (context) => DesktopEditAddress(address, businessId: businessId,),
           ),
     );
   }

lib/pages/forgot_password.dart

@@ -28,15 +28,15 @@ class ForgotPassword extends StatelessWidget {
               breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
             ),
             drawer: null,
-            body: ScreenTypeLayout(
+            body: ScreenTypeLayout.builder(
-              mobile: MobileForgotPassword(),
+              mobile: (context) => MobileForgotPassword(),
-              tablet: DesktopForgotPassword(),
+              tablet: (context) => DesktopForgotPassword(),
-              desktop: DesktopForgotPassword(),
+              desktop: (context) => DesktopForgotPassword(),
             ),
-            bottomNavigationBar: ScreenTypeLayout(
+            bottomNavigationBar: ScreenTypeLayout.builder(
-              mobile: MobileBottomNav(currentIndex: 0,),
+              mobile: (context) => MobileBottomNav(currentIndex: 0,),
-              tablet: BottomNav(),
+              tablet: (context) => BottomNav(),
-              desktop: BottomNav(),
+              desktop: (context) => BottomNav(),
             ),
           ),
     );

lib/pages/home.dart

@@ -74,52 +74,51 @@ class HomeState extends State<Home> {
           appBar: MiniNavigationBar(),
           drawer: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? MobileNavigationDrawer() : null,
           body: DoubleBackToCloseAppWrapper(
-            child: ScreenTypeLayout(
+            child: ScreenTypeLayout.builder(
-              mobile: SingleChildScrollView(
+              mobile: (context) => SingleChildScrollView(
                 child: Column(
                   mainAxisSize: MainAxisSize.min,
                   children: [
                     MobileIndexCarousel(galleries),
-                    MobileIndexMainContent1(content1Message ?? ''),
+                    MobileIndexMainContent1(content1Message),
-                    MobileIndexMainContent2(content2 ?? <String, dynamic>{}),
+                    MobileIndexMainContent2(content2),
-                    MobileIndexMainContent3(content2 ?? <String, dynamic>{}),
+                    MobileIndexMainContent3(content2),
                   ],
                 ),
               ),
-              tablet: SingleChildScrollView(
+              tablet: (context) => SingleChildScrollView(
                 child: Column(
                   mainAxisSize: MainAxisSize.min,
                   children: [
                     DesktopIndexCarousel(galleries),
-                    DesktopIndexMainContent1(content1Message ?? ''),
+                    DesktopIndexMainContent1(content1Message),
-                    DesktopIndexMainContent2(content2 ?? <String, dynamic>{}),
+                    DesktopIndexMainContent2(content2),
                     CustomersLogo(),
-                    DesktopIndexMainContent3(content2 ?? <String, dynamic>{}),
+                    DesktopIndexMainContent3(content2),
                   ],
                 ),
               ),
-              desktop: Scrollbar(
+              desktop: (context) => Scrollbar(
                 thumbVisibility: true,
                 child: SingleChildScrollView(
-                  primary: true,
                   child: Column(
                     mainAxisSize: MainAxisSize.min,
                     children: [
                       DesktopIndexCarousel(galleries),
-                      DesktopIndexMainContent1(content1Message ?? ''),
+                      DesktopIndexMainContent1(content1Message),
-                      DesktopIndexMainContent2(content2 ?? <String, dynamic>{}),
+                      DesktopIndexMainContent2(content2),
                       CustomersLogo(),
-                      DesktopIndexMainContent3(content2 ?? <String, dynamic>{}),
+                      DesktopIndexMainContent3(content2),
                     ],
                   ),
                 ),
               ),
             ),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );
@@ -164,7 +163,9 @@ class HomeState extends State<Home> {
       if (!mounted) return;
       _latestUri = Uri.base;
       print('uri base $_latestUri');
-      eventBus.fire(OnGotDeepLinkUri(_latestUri!));
+      if (_latestUri != null) {
+        eventBus.fire(OnGotDeepLinkUri(_latestUri!));
+      }
     } else {
 //       _sub = getUriLinksStream().listen((Uri uri) {
 //         print('_sub should get uri $uri');
@@ -190,7 +191,7 @@ class HomeState extends State<Home> {
 //
 //       if (!mounted) return;
 //       _latestUri = initialUri;
-//       eventBus.fire(OnGotDeepLinkUri(_latestUri!));
+//       eventBus.fire(OnGotDeepLinkUri(_latestUri));
     }
   }
 }

lib/pages/igoshow_learn_more.dart

@@ -55,15 +55,15 @@ class IGoShowLearnMoreState extends State<IGoShowLearnMore> {
               breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
             ),
             drawer: null,
-            body: ScreenTypeLayout(
+            body: ScreenTypeLayout.builder(
-              mobile: MobileiGoShowLearnMore(data!),
+              mobile: (context) => MobileiGoShowLearnMore(data!),
-              tablet: DesktopiGoShowLearnMore(data!),
+              tablet: (context) => DesktopiGoShowLearnMore(data!),
-              desktop: DesktopiGoShowLearnMore(data!),
+              desktop: (context) => DesktopiGoShowLearnMore(data!),
             ),
-            bottomNavigationBar: ScreenTypeLayout(
+            bottomNavigationBar: ScreenTypeLayout.builder(
-              mobile: MobileBottomNav(currentIndex: 0,),
+              mobile: (context) => MobileBottomNav(currentIndex: 0,),
-              tablet: BottomNav(),
+              tablet: (context) => BottomNav(),
-              desktop: BottomNav(),
+              desktop: (context) => BottomNav(),
             ),
           ),
     );

lib/pages/login.dart

@@ -14,9 +14,7 @@ import '../widgets/mobile/MobileBottomNav.dart';
 import '../widgets/mobile/mobile_login.dart';
 
 class Login extends StatefulWidget {
-  final Key? key;
+  const Login({Key? key}) : super(key: key);
-
-  const Login({this.key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {
@@ -50,15 +48,15 @@ class LoginState extends State<Login> {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileLogin(),
+            mobile: (context) => MobileLogin(),
-            tablet: DesktopLogin(),
+            tablet: (context) => DesktopLogin(),
-            desktop: DesktopLogin(),
+            desktop: (context) => DesktopLogin(),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/pages/me.dart

@@ -15,9 +15,7 @@ import '../widgets/mobile/MobileBottomNav.dart';
 import '../widgets/mobile/mobile_me.dart';
 
 class Me extends StatefulWidget {
-  final Key? key;
+  const Me({Key? key}) : super(key: key);
-
-  const Me({this.key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {
@@ -52,16 +50,16 @@ class MeState extends State<Me> {
             ),
             drawer: null,
             body: DoubleBackToCloseAppWrapper(
-              child: ScreenTypeLayout(
+              child: ScreenTypeLayout.builder(
-                mobile: MobileMe(),
+                mobile: (context) => MobileMe(),
-                tablet: DesktopMe(),
+                tablet: (context) => DesktopMe(),
-                desktop: DesktopMe(),
+                desktop: (context) => DesktopMe(),
               ),
             ),
-            bottomNavigationBar: ScreenTypeLayout(
+            bottomNavigationBar: ScreenTypeLayout.builder(
-              mobile: MobileBottomNav(currentIndex: 3,),
+              mobile: (context) => MobileBottomNav(currentIndex: 3,),
-              tablet: BottomNav(),
+              tablet: (context) => BottomNav(),
-              desktop: BottomNav(),
+              desktop: (context) => BottomNav(),
             ),
           ),
     );

lib/pages/minipos_learn_more.dart

@@ -42,35 +42,36 @@ class MiniPosLearnMoreState extends State<MiniPosLearnMore> {
       );
     }
 
-    return WillPopScope(
+    return ResponsiveBuilder(
-      child: ResponsiveBuilder(
+      builder: (context, sizingInformation) => PopScope(
-        builder: (context, sizingInformation) =>
+        canPop: true,
-          Scaffold(
+        onPopInvokedWithResult: (didPop, result) {
-            key: _scaffoldKey,
+          if (didPop) return;
-            appBar: MiniNavigationBar(
+          // 可以在这里处理返回逻辑
-              title: S.of(context).minipos,
+        },
-              back: true,
+        child: Scaffold(
-              breadCrumbs: [
+          key: _scaffoldKey,
-                BreadCrumb(S.of(context).minipos, null),
+          appBar: MiniNavigationBar(
-              ],
+            title: S.of(context).minipos,
-              breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
+            back: true,
-            ),
+            breadCrumbs: [
-            drawer: null,
+              BreadCrumb(S.of(context).minipos, null),
-            body: ScreenTypeLayout(
+            ],
-              mobile: MobileMiniPosLearnMore(data!),
+            breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
-              tablet: DesktopMiniPosLearnMore(data!),
-              desktop: DesktopMiniPosLearnMore(data!),
-            ),
-            bottomNavigationBar: ScreenTypeLayout(
-              mobile: MobileBottomNav(currentIndex: 0,),
-              tablet: BottomNav(),
-              desktop: BottomNav(),
-            ),
           ),
+          drawer: null,
+          body: ScreenTypeLayout.builder(
+            mobile: (context) => MobileMiniPosLearnMore(data!),
+            tablet: (context) => DesktopMiniPosLearnMore(data!),
+            desktop: (context) => DesktopMiniPosLearnMore(data!),
+          ),
+          bottomNavigationBar: ScreenTypeLayout.builder(
+            mobile: (context) => MobileBottomNav(currentIndex: 0),
+            tablet: (context) => BottomNav(),
+            desktop: (context) => BottomNav(),
+          ),
+        ),
       ),
-      onWillPop: () async {
-        return true;
-      },
     );
   }
 

lib/pages/my_addresses.dart

@@ -8,20 +8,19 @@ import '../widgets/desktop/desktop_my_addresses.dart';
 import '../widgets/mobile/mobile_my_addresses.dart';
 
 class MyAddresses extends StatelessWidget {
-  final Key? key;
   final int businessId;
 
-  const MyAddresses({this.key, int? businessId}) :
+  const MyAddresses({Key? key, int? businessId}) :
       businessId = businessId ?? Constants.BUSINESS_ID;
 
   @override
   Widget build(BuildContext context) {
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-        ScreenTypeLayout(
+        ScreenTypeLayout.builder(
-          mobile: MobileMyAddresses(businessId: businessId,),
+          mobile: (context) => MobileMyAddresses(businessId: businessId,),
-          tablet: DesktopMyAddresses(businessId: businessId,),
+          tablet: (context) => DesktopMyAddresses(businessId: businessId,),
-          desktop: DesktopMyAddresses(businessId: businessId,),
+          desktop: (context) => DesktopMyAddresses(businessId: businessId,),
         ),
     );
   }

lib/pages/my_cards.dart

@@ -35,10 +35,10 @@ class MyCards extends StatelessWidget {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileMyCards(),
+            mobile: (context) => MobileMyCards(),
-            tablet: DesktopMyCards(),
+            tablet: (context) => DesktopMyCards(),
-            desktop: DesktopMyCards(),
+            desktop: (context) => DesktopMyCards(),
           ),
     );
   }

lib/pages/my_support.dart

@@ -8,20 +8,19 @@ import '../widgets/desktop/desktop_my_support.dart';
 import '../widgets/mobile/mobile_my_support.dart';
 
 class MySupport extends StatelessWidget {
-  final Key? key;
   final int businessId;
 
-  const MySupport({this.key, int? businessId}) :
+  const MySupport({Key? key, int? businessId}) :
       businessId = businessId ?? Constants.BUSINESS_ID;
 
   @override
   Widget build(BuildContext context) {
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-        ScreenTypeLayout(
+        ScreenTypeLayout.builder(
-          mobile: MobileMySupport(businessId: businessId,),
+          mobile: (context) => MobileMySupport(businessId: businessId,),
-          tablet: DesktopMySupport(businessId: businessId,),
+          tablet: (context) => DesktopMySupport(businessId: businessId,),
-          desktop: DesktopMySupport(businessId: businessId,),
+          desktop: (context) => DesktopMySupport(businessId: businessId,),
         ),
     );
   }

lib/pages/new_address.dart

@@ -7,25 +7,24 @@ import '../widgets/desktop/desktop_new_address.dart';
 import '../widgets/mobile/mobile_new_address.dart';
 
 class NewAddress extends StatelessWidget {
-  final Key? key;
   final LocatedAddress? locatedAddress;
   final int? businessId;
-  const NewAddress({this.key, this.locatedAddress, this.businessId}) : super(key: key);
+  const NewAddress({Key? key, this.locatedAddress, this.businessId}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-        ScreenTypeLayout(
+        ScreenTypeLayout.builder(
-          mobile: MobileNewAddress(
+          mobile: (context) => MobileNewAddress(
             locatedAddress: locatedAddress,
             businessId: businessId,
           ),
-          tablet: DesktopNewAddress(
+          tablet: (context) => DesktopNewAddress(
             locatedAddress: locatedAddress,
             businessId: businessId,
           ),
-          desktop: DesktopNewAddress(
+          desktop: (context) => DesktopNewAddress(
             locatedAddress: locatedAddress,
             businessId: businessId,
           ),

lib/pages/new_comment.dart

@@ -20,10 +20,10 @@ class NewComment extends StatelessWidget {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileNewComment(orderId,),
+            mobile: (context) => MobileNewComment(orderId,),
-            tablet: DesktopNewComment(orderId,),
+            tablet: (context) => DesktopNewComment(orderId,),
-            desktop: DesktopNewComment(orderId,),
+            desktop: (context) => DesktopNewComment(orderId,),
           ),
     );
   }

lib/pages/new_ticket.dart

@@ -14,10 +14,9 @@ import '../widgets/mobile/MobileBottomNav.dart';
 import '../widgets/mobile/mobile_new_ticket.dart';
 
 class NewTicket extends StatefulWidget {
-  final Key? key;
+  final int? businessId;
-  final int businessId;
 
-  const NewTicket({this.key, int? businessId}) :
+  const NewTicket({Key? key, int? businessId}) :
         businessId = businessId ?? Constants.BUSINESS_ID;
 
   @override
@@ -52,15 +51,15 @@ class NewTicketState extends State<NewTicket> {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileNewTicket(businessId: widget.businessId,),
+            mobile: (context) => MobileNewTicket(businessId: widget.businessId!,),
-            tablet: DesktopNewTicket(businessId: widget.businessId,),
+            tablet: (context) => DesktopNewTicket(businessId: widget.businessId!,),
-            desktop: DesktopNewTicket(businessId: widget.businessId,),
+            desktop: (context) => DesktopNewTicket(businessId: widget.businessId!,),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/pages/new_user.dart

@@ -28,15 +28,15 @@ class NewUser extends StatelessWidget {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileNewUser(),
+            mobile: (context) => MobileNewUser(),
-            tablet: DesktopNewUser(),
+            tablet: (context) => DesktopNewUser(),
-            desktop: DesktopNewUser(),
+            desktop: (context) => DesktopNewUser(),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/pages/order_detail.dart

@@ -20,10 +20,10 @@ class OrderDetail extends StatelessWidget {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileOrderDetail(orderId, fromOrders: fromOrders,),
+            mobile: (context) => MobileOrderDetail(orderId, fromOrders: fromOrders,),
-            tablet: DesktopOrderDetail(orderId, fromOrders: fromOrders,),
+            tablet: (context) => DesktopOrderDetail(orderId, fromOrders: fromOrders,),
-            desktop: DesktopOrderDetail(orderId, fromOrders: fromOrders,),
+            desktop: (context) => DesktopOrderDetail(orderId, fromOrders: fromOrders,),
           ),
     );
   }

lib/pages/pay_now.dart

@@ -20,10 +20,10 @@ class PayNow extends StatelessWidget {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobilePayNow(orderId,),
+            mobile: (context) => MobilePayNow(orderId,),
-            tablet: DesktopPayNow(orderId,),
+            tablet: (context) => DesktopPayNow(orderId,),
-            desktop: DesktopPayNow(orderId,),
+            desktop: (context) => DesktopPayNow(orderId,),
           ),
     );
   }

lib/pages/plain_page.dart

@@ -12,10 +12,10 @@ import '../utils/http_util.dart';
 import '../utils/utils.dart';
 
 class PlainPage extends StatefulWidget {
-  final int? businessId;
+  final int businessId;
-  final String slug;
+  final String? slug;
 
-  const PlainPage(this.slug, {this.businessId, Key? key}) :
+  const PlainPage(this.slug, {required this.businessId, Key? key}) :
       super(key: key);
 
   @override
@@ -43,10 +43,10 @@ class PlainPageState extends State<PlainPage> {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobilePlainPage(blog!),
+            mobile: (context) => MobilePlainPage(blog!),
-            tablet: DesktopPlainPage(blog!),
+            tablet: (context) => DesktopPlainPage(blog!),
-            desktop: DesktopPlainPage(blog!),
+            desktop: (context) => DesktopPlainPage(blog!),
           ),
     );
   }
@@ -60,7 +60,7 @@ class PlainPageState extends State<PlainPage> {
   void loadData() {
     HttpUtil.httpGet(
       'v1/special-page',
-      businessId: widget.businessId!,
+      businessId: widget.businessId,
       queryParameters: {
         'bid': widget.slug,
       }

lib/pages/product_detail_page.dart

@@ -10,10 +10,10 @@ import '../widgets/desktop/desktop_product_detail_page.dart';
 import '../widgets/mobile/mobile_product_detail_page.dart';
 
 class ProductDetailPage extends StatelessWidget {
-  final Business? business;
+  final Business business;
-  final Product? product;
+  final Product product;
 
-  const ProductDetailPage({this.business, this.product, Key? key}) :
+  const ProductDetailPage({required this.business, required this.product, Key? key}) :
       super(key: key);
 
 
@@ -23,10 +23,10 @@ class ProductDetailPage extends StatelessWidget {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileProductDetailPage(business: business!, product: product!,),
+            mobile: (context) => MobileProductDetailPage(business: business, product: product,),
-            tablet: DesktopProductDetailPage(business: business!, product: product!,),
+            tablet: (context) => DesktopProductDetailPage(business: business, product: product,),
-            desktop: DesktopProductDetailPage(business: business!, product: product!,),
+            desktop: (context) => DesktopProductDetailPage(business: business, product: product,),
           ),
     );
   }

lib/pages/product_search.dart

@@ -15,10 +15,10 @@ class ProductSearch extends StatelessWidget {
   Widget build(BuildContext context) {
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: mobile.ProductSearch(business),
+            mobile: (context) => mobile.ProductSearch(business),
-            tablet: desktop.ProductSearch(business),
+            tablet: (context) => desktop.ProductSearch(business),
-            desktop: desktop.ProductSearch(business),
+            desktop: (context) => desktop.ProductSearch(business),
           ),
     );
   }

lib/pages/renew_license.dart

@@ -28,10 +28,10 @@ class RenewLicenseState extends State<RenewLicense> {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileRenewLicense(Constants.BUSINESS_ID),
+            mobile: (context) => MobileRenewLicense(Constants.BUSINESS_ID),
-            tablet: DesktopRenewLicense(Constants.BUSINESS_ID),
+            tablet: (context) => DesktopRenewLicense(Constants.BUSINESS_ID),
-            desktop: DesktopRenewLicense(Constants.BUSINESS_ID),
+            desktop: (context) => DesktopRenewLicense(Constants.BUSINESS_ID),
           ),
     );
   }

lib/pages/renew_minioffice.dart

@@ -45,10 +45,10 @@ class RenewMiniOfficeState extends State<RenewMiniOffice> {
 
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-          ScreenTypeLayout(
+          ScreenTypeLayout.builder(
-            mobile: MobileRenewMiniOffice(data!),
+            mobile: (context) => MobileRenewMiniOffice(data!),
-            tablet: DesktopRenewMiniOffice(data!),
+            tablet: (context) => DesktopRenewMiniOffice(data!),
-            desktop: DesktopRenewMiniOffice(data!),
+            desktop: (context) => DesktopRenewMiniOffice(data!),
           ),
     );
   }

lib/pages/reset_password.dart

@@ -13,8 +13,8 @@ import '../widgets/mobile/mobile_reset_password.dart';
 
 class ResetPassword extends StatelessWidget {
   final String mobile;
-  final String? code;
+  final String code;
-  const ResetPassword(this.mobile, {Key? key, this.code}) : super(key: key);
+  const ResetPassword(this.mobile, {Key? key, required this.code}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -30,15 +30,15 @@ class ResetPassword extends StatelessWidget {
               breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
             ),
             drawer: null,
-            body: ScreenTypeLayout(
+            body: ScreenTypeLayout.builder(
-              mobile: MobileResetPassword(mobile, code: code,),
+              mobile: (context) => MobileResetPassword(mobile, code: code,),
-              tablet: DesktopResetPassword(mobile, code: code,),
+              tablet: (context) => DesktopResetPassword(mobile, code: code,),
-              desktop: DesktopResetPassword(mobile, code: code,),
+              desktop: (context) => DesktopResetPassword(mobile, code: code,),
             ),
-            bottomNavigationBar: ScreenTypeLayout(
+            bottomNavigationBar: ScreenTypeLayout.builder(
-              mobile: MobileBottomNav(currentIndex: 0,),
+              mobile: (context) => MobileBottomNav(currentIndex: 0,),
-              tablet: BottomNav(),
+              tablet: (context) => BottomNav(),
-              desktop: BottomNav(),
+              desktop: (context) => BottomNav(),
             ),
           ),
     );

lib/pages/search_place.dart

@@ -5,18 +5,17 @@ import '../widgets/mobile/mobile_search_place.dart';
 import 'package:responsive_builder/responsive_builder.dart';
 
 class SearchPlace extends StatelessWidget {
-  final Key? key;
   final int businessId;
-  const SearchPlace(this.businessId, {this.key}) : super(key: key);
+  const SearchPlace(this.businessId, {Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return ResponsiveBuilder(
       builder: (context, sizingInformation) =>
-        ScreenTypeLayout(
+        ScreenTypeLayout.builder(
-          mobile: MobileSearchPlace(businessId),
+          mobile: (context) => MobileSearchPlace(businessId),
-          tablet: DesktopSearchPlace(businessId),
+          tablet: (context) => DesktopSearchPlace(businessId),
-          desktop: DesktopSearchPlace(businessId),
+          desktop: (context) => DesktopSearchPlace(businessId),
         ),
     );
   }

lib/pages/set_password.dart

@@ -13,8 +13,8 @@ import '../widgets/mobile/mobile_set_password.dart';
 
 class SetPassword extends StatelessWidget {
   final String mobile;
-  final String? code;
+  final String code;
-  const SetPassword(this.mobile, {Key? key, this.code}) : super(key: key);
+  const SetPassword(this.mobile, {Key? key, required this.code}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -30,15 +30,15 @@ class SetPassword extends StatelessWidget {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileSetPassword(mobile, code: code,),
+            mobile: (context) => MobileSetPassword(mobile, code: code,),
-            tablet: DesktopSetPassword(mobile, code: code,),
+            tablet: (context) => DesktopSetPassword(mobile, code: code,),
-            desktop: DesktopSetPassword(mobile, code: code,),
+            desktop: (context) => DesktopSetPassword(mobile, code: code,),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/pages/shop.dart

@@ -23,14 +23,14 @@ class ShopState extends State<Shop> {
     widget.businessId == null ? Utils.getBusinessId() : widget.businessId!;
 
     return ResponsiveBuilder(
-      builder: (context, sizingInformation) => ScreenTypeLayout(
+      builder: (context, sizingInformation) => ScreenTypeLayout.builder(
-        mobile: mobile.Shop(
+        mobile: (context) => mobile.Shop(
           businessId: _businessId,
         ),
-        tablet: desktop.Shop(
+        tablet: (context) => desktop.Shop(
           businessId: _businessId,
         ),
-        desktop: desktop.Shop(
+        desktop: (context) => desktop.Shop(
           businessId: _businessId,
         ),
       ),

lib/pages/store_product_search.dart

@@ -31,15 +31,15 @@ class StoreProductSearch extends StatelessWidget {
               breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
             ),
             drawer: null,
-            body: ScreenTypeLayout(
+            body: ScreenTypeLayout.builder(
-              mobile: MobileStoreProductSearch(business,),
+              mobile: (context) => MobileStoreProductSearch(business,),
-              tablet: DesktopStoreProductSearch(business),
+              tablet: (context) => DesktopStoreProductSearch(business),
-              desktop: DesktopStoreProductSearch(business),
+              desktop: (context) => DesktopStoreProductSearch(business),
             ),
-            bottomNavigationBar: ScreenTypeLayout(
+            bottomNavigationBar: ScreenTypeLayout.builder(
-              mobile: MobileBottomNav(currentIndex: 1,),
+              mobile: (context) => MobileBottomNav(currentIndex: 1,),
-              tablet: BottomNav(),
+              tablet: (context) => BottomNav(),
-              desktop: BottomNav(),
+              desktop: (context) => BottomNav(),
             ),
           ),
     );

lib/pages/stripe_pay_web.dart

@@ -0,0 +1,34 @@
+
+import 'package:flutter/material.dart';
+import 'package:responsive_builder/responsive_builder.dart';
+
+import '../models/order.dart';
+import '../models/payment_platform.dart';
+import '../models/stripe_payment_method.dart';
+import '../store/actions.dart';
+import '../store/store.dart';
+import '../widgets/desktop/desktop_stripe_pay_web.dart';
+import '../widgets/mobile/mobile_stripe_pay_web.dart';
+
+class StripePayWeb extends StatelessWidget {
+  final Order order;
+  final PaymentPlatform paymentPlatform;
+  final StripePaymentMethod? stripePaymentMethod;
+
+  const StripePayWeb(this.order, this.paymentPlatform, {this.stripePaymentMethod});
+
+  @override
+  Widget build(BuildContext context) {
+    store.dispatch(UpdateContext(context));
+
+    return ResponsiveBuilder(
+      builder: (context, sizingInformation) =>
+          ScreenTypeLayout.builder(
+            mobile: (context) => MobileStripePayWeb(order, paymentPlatform, stripePaymentMethod: stripePaymentMethod,),
+            tablet: (context) => DesktopStripePayWeb(order, paymentPlatform, stripePaymentMethod: stripePaymentMethod,),
+            desktop: (context) => DesktopStripePayWeb(order, paymentPlatform, stripePaymentMethod: stripePaymentMethod,),
+          ),
+    );
+  }
+
+}

lib/pages/user_profile.dart

@@ -29,15 +29,15 @@ class UserProfile extends StatelessWidget {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileUserProfile(),
+            mobile: (context) => MobileUserProfile(),
-            tablet: DesktopUserProfile(),
+            tablet: (context) => DesktopUserProfile(),
-            desktop: DesktopUserProfile(),
+            desktop: (context) => DesktopUserProfile(),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/pages/view_blog.dart

@@ -14,10 +14,9 @@ import '../widgets/mobile/MobileBottomNav.dart';
 import '../widgets/mobile/mobile_view_blog.dart';
 
 class ViewBlog extends StatefulWidget {
-  final Key? key;
   final int bid;
 
-  const ViewBlog(this.bid, {this.key}) : super(key: key);
+  const ViewBlog(this.bid, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {
@@ -51,15 +50,15 @@ class ViewBlogState extends State<ViewBlog> {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileViewBlog(widget.bid),
+            mobile: (context) => MobileViewBlog(widget.bid),
-            tablet: DesktopViewBlog(widget.bid),
+            tablet: (context) => DesktopViewBlog(widget.bid),
-            desktop: DesktopViewBlog(widget.bid),
+            desktop: (context) => DesktopViewBlog(widget.bid),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/pages/view_ticket.dart

@@ -14,10 +14,9 @@ import '../widgets/mobile/MobileBottomNav.dart';
 import '../widgets/mobile/mobile_view_ticket.dart';
 
 class ViewTicket extends StatefulWidget {
-  final Key? key;
   final int ticketId;
 
-  const ViewTicket(this.ticketId, {this.key}) : super(key: key);
+  const ViewTicket(this.ticketId, {Key? key}) : super(key: key);
 
   @override
   State<StatefulWidget> createState() {
@@ -51,15 +50,15 @@ class ViewTicketState extends State<ViewTicket> {
             breadCrumbHeight: sizingInformation.deviceScreenType == DeviceScreenType.mobile ? null : Constants.BREADCRUMB_HEIGHT,
           ),
           drawer: null,
-          body: ScreenTypeLayout(
+          body: ScreenTypeLayout.builder(
-            mobile: MobileViewTicket(widget.ticketId),
+            mobile: (context) => MobileViewTicket(widget.ticketId),
-            tablet: DesktopViewTicket(widget.ticketId),
+            tablet: (context) => DesktopViewTicket(widget.ticketId),
-            desktop: DesktopViewTicket(widget.ticketId),
+            desktop: (context) => DesktopViewTicket(widget.ticketId),
           ),
-          bottomNavigationBar: ScreenTypeLayout(
+          bottomNavigationBar: ScreenTypeLayout.builder(
-            mobile: MobileBottomNav(currentIndex: 0,),
+            mobile: (context) => MobileBottomNav(currentIndex: 0,),
-            tablet: BottomNav(),
+            tablet: (context) => BottomNav(),
-            desktop: BottomNav(),
+            desktop: (context) => BottomNav(),
           ),
         ),
     );

lib/store/actions.dart

@@ -10,7 +10,7 @@ class UpdateContext {
 }
 
 class UpdateLocale {
-  final Locale locale;
+  final Locale? locale;
   UpdateLocale(this.locale);
 }
 

lib/store/reducer/cart_info_reducer.dart

@@ -8,6 +8,6 @@ final cartInfoReducer = combineReducers<List<CartInfo>?>([
   TypedReducer<List<CartInfo>?, UpdateCartInfo>(_updateCartInfo)
 ]);
 
-List<CartInfo>? _updateCartInfo(List<CartInfo>? cartInfos, action) {
+List<CartInfo> _updateCartInfo(List<CartInfo>? cartInfos, action) {
   return action.cartInfos;
 }

lib/store/reducer/context_reducer.dart

@@ -7,6 +7,6 @@ final contextReducer = combineReducers<BuildContext?>([
   TypedReducer<BuildContext?, UpdateContext>(_updateContext)
 ]);
 
-BuildContext? _updateContext(BuildContext? context, action) {
+BuildContext _updateContext(BuildContext? context, action) {
   return action.context;
 }

lib/store/reducer/device_id_reducer.dart

@@ -6,6 +6,6 @@ final deviceIdReducer = combineReducers<String?>([
   TypedReducer<String?, UpdateDeviceId>(_updateDeviceId)
 ]);
 
-String? _updateDeviceId(String? deviceId, action) {
+String _updateDeviceId(String? deviceId, action) {
   return action.deviceId;
 }

lib/store/reducer/fcmtoken_reducer.dart

@@ -6,6 +6,6 @@ final fcmtokenReducer = combineReducers<String?>([
   TypedReducer<String?, UpdateFcmToken>(_updateFcmToken)
 ]);
 
-String? _updateFcmToken(String? token, action) {
+String _updateFcmToken(String? token, action) {
   return action.token;
 }

lib/store/reducer/last_visit_reducer.dart

@@ -6,6 +6,6 @@ final lastVisitReducer = combineReducers<List<int>?>([
   TypedReducer<List<int>?, UpdateLastVisit>(_updateLastVisit)
 ]);
 
-List<int>? _updateLastVisit(List<int>? lastVisit, action) {
+List<int> _updateLastVisit(List<int>? lastVisit, action) {
   return action.lastVisit;
 }

lib/store/reducer/locale_reducer.dart

@@ -6,6 +6,6 @@ final localeReducer = combineReducers<Locale?>([
   TypedReducer<Locale?, UpdateLocale>(_updateLocale)
 ]);
 
-Locale? _updateLocale(Locale? locale, action) {
+Locale _updateLocale(Locale? locale, action) {
   return action.locale;
 }

lib/store/reducer/locate_address_reducer.dart

@@ -7,6 +7,6 @@ final locatedAddressReducer = combineReducers<LocatedAddress?>([
   TypedReducer<LocatedAddress?, UpdateLocatedAddress>(_updateLocatedAddress)
 ]);
 
-LocatedAddress? _updateLocatedAddress(LocatedAddress? locatedAddress, action) {
+LocatedAddress _updateLocatedAddress(LocatedAddress? locatedAddress, action) {
   return action.locatedAddress;
 }

lib/store/reducer/table_number_reducer.dart

@@ -6,6 +6,6 @@ final tableNumberReducer = combineReducers<String?>([
   TypedReducer<String?, UpdateTableNumber>(_updateTableNumber)
 ]);
 
-String? _updateTableNumber(String? tableNumber, action) {
+String _updateTableNumber(String? tableNumber, action) {
   return action.tableNumber;
 }

lib/utils/countdown.dart

@@ -1,29 +0,0 @@
-import 'dart:async';
-
-/// 自定义实现，替代已停维的 `countdown` 包的 [CountDown]。
-///
-/// 用法与原包兼容：
-/// ```dart
-/// var listener = CountDown(Duration(seconds: 90)).stream.listen(null);
-/// listener.onData((Duration d) { ... d.inSeconds ... });
-/// listener.onDone(() { ... });
-/// ```
-///
-/// `stream` 每秒发出剩余 [Duration]（从满时长倒数到 0），到达 0 后关闭。
-class CountDown {
-  CountDown(this.duration) : assert(!duration.isNegative);
-
-  final Duration duration;
-
-  Stream<Duration> get stream => _countdownStream();
-
-  Stream<Duration> _countdownStream() async* {
-    int remaining = duration.inSeconds;
-    while (remaining > 0) {
-      yield Duration(seconds: remaining);
-      await Future<void>.delayed(const Duration(seconds: 1));
-      remaining--;
-    }
-    yield Duration.zero;
-  }
-}

lib/utils/http_util.dart

@@ -7,15 +7,15 @@ import 'package:crypto/crypto.dart';
 import 'package:dio/dio.dart';
 import '../store/store.dart';
 import 'utils.dart';
-import 'package:hive/hive.dart';
-import 'package:universal_io/io.dart';
 
 import '../constants.dart';
 
 typedef void PostCallback(Response response);
 
 String generateSignature(String string, {String? key}) {
-  key ??= Constants.API_SECRET;
+  if (key == null) {
+    key = Constants.API_SECRET;
+  }
   Hmac mac = new Hmac(sha256, utf8.encode(key));
   Digest digest = mac.convert(utf8.encode(string + key));
   String base64Mac = base64.encode(utf8.encode("$digest"));
@@ -35,8 +35,8 @@ class HttpUtil {
     'Http-Contact-Authorization': '',
     'Http-Device-Type': Utils.getOs(checkWeb: true),
     'Http-Api-Branch': 'flutter',
-    'Http-Language-Code': store.state.locale!.languageCode,
+    'Http-Language-Code': (store == null || store.state == null || store.state.locale == null) ? 'en' : store.state.locale!.languageCode,
-    'Http-Country-Code': store.state.locale!.countryCode ?? '',
+    'Http-Country-Code': (store == null || store.state == null || store.state.locale == null) ? 'US' : store.state.locale!.countryCode!,
   };
 
   static Future<dynamic> httpGet(String url,
@@ -57,8 +57,7 @@ class HttpUtil {
     }
 
     localHeaders['Http-Business-Id'] = businessId == 0 ? '${Constants.BUSINESS_ID}' : businessId.toString();
-    Box box = await Utils.getBox();
+    localHeaders['Http-Contact-Authorization'] = Utils.prefs?.getString(Constants.KEY_ACCESS_TOKEN) ?? '';
-    localHeaders['Http-Contact-Authorization'] = box.get(Constants.KEY_ACCESS_TOKEN, defaultValue: '');
     localHeaders['Http-App-Key'] = platformName;
     localHeaders['Http-Device-Type'] = platformName;
     String requestUrl = Constants.BASE_API_URL + url;
@@ -67,7 +66,9 @@ class HttpUtil {
       requestUrl = url;
     }
 
-    Utils.jsonPrettyPrint(queryParameters ?? {});
+    if (queryParameters != null) {
+      Utils.jsonPrettyPrint(queryParameters!);
+    }
 
     Dio dio = Dio();
     try {
@@ -82,6 +83,7 @@ class HttpUtil {
       // print('response data: ${response.data}');
 //      Utils.jsonPrettyPrint(response.data);
 
+      int statusCode = response.statusCode!;
       return response.data;
     } on DioException catch(e) {
       print('HttpGet failed, request: $requestUrl, headers: $localHeaders, error ${e.response}');
@@ -92,7 +94,7 @@ class HttpUtil {
     }
   }
 
-  static Future<dynamic> httpPost(String url, PostCallback callback,
+  static Future<dynamic> httpPost(String url, PostCallback? callback,
       {
         Map<String, dynamic>? queryParameters,
         int businessId = 0,
@@ -113,8 +115,7 @@ class HttpUtil {
       localHeaders['Http-Signature'] = generateSignature(url);
     }
     localHeaders['Http-Business-Id'] = businessId == 0 ? '${Constants.BUSINESS_ID}' : businessId.toString();
-    Box box = await Utils.getBox();
+    localHeaders['Http-Contact-Authorization'] = Utils.prefs?.getString(Constants.KEY_ACCESS_TOKEN) ?? '';
-    localHeaders['Http-Contact-Authorization'] = box.get(Constants.KEY_ACCESS_TOKEN, defaultValue: '');
     localHeaders['Http-App-Key'] = platformName;
     localHeaders['Http-Device-Type'] = platformName;
 
@@ -127,15 +128,15 @@ class HttpUtil {
     }
 
     // Don't print body will cause upload Multipart file failed
-    //Utils.jsonPrettyPrint(body ?? {});
+    //Utils.jsonPrettyPrint(body);
 
     Dio dio = Dio();
     dio.interceptors.add(LogInterceptor());
     try {
       Response response = await dio.post(
         requestUrl,
-        queryParameters: queryParameters ?? {},
+        queryParameters: queryParameters == null ? {} : queryParameters,
-        data: isFormData ? ((formData != null)?formData:FormData.fromMap(body ?? {})) : json.encode(body),
+        data: isFormData ? ((formData != null)?formData:FormData.fromMap(body!)) : json.encode(body),
         options: Options(
           headers: localHeaders,
           contentType: isFormData ? Headers.formUrlEncodedContentType : Headers.jsonContentType,
@@ -146,6 +147,7 @@ class HttpUtil {
 
 //      Utils.jsonPrettyPrint(response.data);
 
+      int statusCode = response.statusCode!;
       if (callback != null) {
         callback(response);
       }
@@ -153,9 +155,9 @@ class HttpUtil {
     } on DioException catch(e, stacktrace) {
       if (e.response != null) {
         try {
-          Utils.jsonPrettyPrint(e.response!.data);
+          Utils.jsonPrettyPrint(e.response?.data);
         } catch (err) {
-          print(e.response!.data);
+          print(e.response?.data);
         }
       }
       if (returnError) {
@@ -165,7 +167,7 @@ class HttpUtil {
     }
   }
 
-  static Future<dynamic> httpPut(String url, PostCallback callback,
+  static Future<dynamic> httpPut(String url, PostCallback? callback,
       {
         Map<String, dynamic>? queryParameters,
         int businessId = 0,
@@ -186,8 +188,7 @@ class HttpUtil {
     }
 
     localHeaders['Http-Business-Id'] = businessId == 0 ? '${Constants.BUSINESS_ID}' : businessId.toString();
-    Box box = await Utils.getBox();
+    localHeaders['Http-Contact-Authorization'] = Utils.prefs?.getString(Constants.KEY_ACCESS_TOKEN) ?? '';
-    localHeaders['Http-Contact-Authorization'] = box.get(Constants.KEY_ACCESS_TOKEN, defaultValue: '');
     localHeaders['Http-App-Key'] = platformName;
     localHeaders['Http-Device-Type'] = platformName;
 
@@ -203,7 +204,7 @@ class HttpUtil {
     try {
       Response response = await dio.put(
         requestUrl,
-        queryParameters: queryParameters ?? {},
+        queryParameters: queryParameters == null ? {} : queryParameters,
         data: json.encode(body),
         options: Options(
           headers: localHeaders,
@@ -214,6 +215,7 @@ class HttpUtil {
 
 //      Utils.jsonPrettyPrint(response.data);
 
+      int statusCode = response.statusCode!;
       if (callback != null) {
         callback(response);
       }
@@ -229,7 +231,7 @@ class HttpUtil {
     }
   }
 
-  static Future<dynamic> httpPatch(String url, PostCallback callback,
+  static Future<dynamic> httpPatch(String url, PostCallback? callback,
       {
         Map<String, dynamic>? queryParameters,
         int businessId = 0,
@@ -250,8 +252,7 @@ class HttpUtil {
     }
 
     localHeaders['Http-Business-Id'] = businessId == 0 ? '${Constants.BUSINESS_ID}' : businessId.toString();
-    Box box = await Utils.getBox();
+    localHeaders['Http-Contact-Authorization'] = Utils.prefs?.getString(Constants.KEY_ACCESS_TOKEN) ?? '';
-    localHeaders['Http-Contact-Authorization'] = box.get(Constants.KEY_ACCESS_TOKEN, defaultValue: '');
     localHeaders['Http-App-Key'] = platformName;
     localHeaders['Http-Device-Type'] = platformName;
 
@@ -263,13 +264,15 @@ class HttpUtil {
       requestUrl = url;
     }
 
-    Utils.jsonPrettyPrint(body ?? {});
+    if (body != null) {
+      Utils.jsonPrettyPrint(body!);
+    }
 
     Dio dio = Dio();
     try {
       Response response = await dio.patch(
         requestUrl,
-        queryParameters: queryParameters ?? {},
+        queryParameters: queryParameters == null ? {} : queryParameters,
         data: json.encode(body),
         options: Options(
           headers: localHeaders,
@@ -280,6 +283,7 @@ class HttpUtil {
 
 //      Utils.jsonPrettyPrint(response.data);
 
+      int statusCode = response.statusCode!;
       if (callback != null) {
         callback(response);
       }
@@ -295,7 +299,7 @@ class HttpUtil {
     }
   }
 
-  static Future<dynamic> httpDelete(String url, PostCallback callback,
+  static Future<dynamic> httpDelete(String url, PostCallback? callback,
       {
         Map<String, dynamic>? queryParameters,
         int businessId = 0,
@@ -314,8 +318,7 @@ class HttpUtil {
     }
 
     localHeaders['Http-Business-Id'] = businessId == 0 ? '${Constants.BUSINESS_ID}' : businessId.toString();
-    Box box = await Utils.getBox();
+    localHeaders['Http-Contact-Authorization'] = Utils.prefs?.getString(Constants.KEY_ACCESS_TOKEN) ?? '';
-    localHeaders['Http-Contact-Authorization'] = box.get(Constants.KEY_ACCESS_TOKEN, defaultValue: '');
     localHeaders['Http-App-Key'] = platformName;
     localHeaders['Http-Device-Type'] = platformName;
 
@@ -327,13 +330,15 @@ class HttpUtil {
       requestUrl = url;
     }
 
-    Utils.jsonPrettyPrint(body ?? {});
+    if (body != null) {
+      Utils.jsonPrettyPrint(body);
+    }
 
     Dio dio = Dio();
     try {
       Response response = await dio.delete(
         requestUrl,
-        queryParameters: queryParameters ?? {},
+        queryParameters: queryParameters == null ? {} : queryParameters,
         data: json.encode(body),
         options: Options(
           headers: localHeaders,
@@ -342,6 +347,7 @@ class HttpUtil {
 
 //      Utils.jsonPrettyPrint(response.data);
 
+      int statusCode = response.statusCode!;
       if (callback != null) {
         callback(response);
       }

lib/utils/mini_stripe_api.dart

@@ -0,0 +1,140 @@
+
+
+import '../vendor/stripe_sdk/lib/stripe_sdk.dart';
+import '../vendor/stripe_sdk/lib/stripe_sdk_ui.dart';
+
+import 'mini_stripe_api_handler.dart';
+
+class MiniStripeApi {
+  static MiniStripeApi? _instance;
+
+  final MiniStripeApiHandler _apiHandler;
+
+  final String publishableKey;
+
+  final String apiVersion;
+
+  /// Create a new instance, which can be used with e.g. dependency injection.
+  /// Throws a [Exception] if an invalid [publishableKey] has been submitted.
+  ///
+  /// [publishableKey] is your publishable key, beginning with "sk_".
+  /// Your can copy your key from https://dashboard.stripe.com/account/apikeys
+  ///
+  /// [stripeAccount] is the id of a stripe customer and stats with "cus_".
+  /// This is a optional parameter.
+  MiniStripeApi(this.publishableKey, {this.apiVersion = defaultApiVersion, String? stripeAccount})
+      : _apiHandler = MiniStripeApiHandler(stripeAccount: stripeAccount) {
+    _validateKey(publishableKey);
+    _apiHandler.apiVersion = apiVersion;
+  }
+
+  /// Initialize the managed singleton instance of [StripeApi].
+  /// Afterwards you can use [StripeApi.instance] to access the created instance.
+  ///
+  /// [publishableKey] is your publishable key, beginning with "sk_".
+  /// Your can copy your key from https://dashboard.stripe.com/account/apikeys
+  ///
+  /// [stripeAccount] is the id of a stripe customer and stats with "cus_".
+  /// This is a optional parameter.
+  static void init(String publishableKey, {String apiVersion = defaultApiVersion, String? stripeAccount}) {
+    // _instance ??= MiniStripeApi(publishableKey, uuidString, apiVersion: apiVersion, stripeAccount: stripeAccount);
+    _instance = MiniStripeApi(publishableKey, apiVersion: apiVersion, stripeAccount: stripeAccount);
+  }
+
+  /// Access the singleton instance of [StripeApi].
+  /// Throws an [Exception] if [StripeApi.init] hasn't been called previously.
+  static MiniStripeApi get instance {
+    if (_instance == null) {
+      throw Exception('Attempted to get singleton instance of StripeApi without initialization');
+    }
+    return _instance!;
+  }
+
+  /// Create a stripe Token
+  /// https://stripe.com/docs/api/tokens
+  Future<Map<String, dynamic>> createToken(Map<String, dynamic> data) async {
+    final path = '/tokens';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: data);
+  }
+
+  /// Create a PaymentMethod.
+  /// https://stripe.com/docs/api/payment_methods/create
+  Future<Map<String, dynamic>> createPaymentMethod(Map<String, dynamic> data) async {
+    final path = '/payment_methods';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: data);
+  }
+
+  /// Create a PaymentMethod from a card.
+  /// This will only create a PaymentMethod with the minimum required properties.
+  /// To include additional properties such as billing details, use [StripeCard.toPaymentMethod], add additional details
+  /// and then use [createPaymentMethod].
+  Future<Map<String, dynamic>> createPaymentMethodFromCard(StripeCard card) async {
+    return createPaymentMethod(card.toPaymentMethod());
+  }
+
+  /// Create a new Source object.
+  /// https://stripe.com/docs/api/sources/create
+  Future<Map<String, dynamic>> createSource(Map<String, dynamic> data) async {
+    final path = '/sources';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: data);
+  }
+
+  /// Retrieve a PaymentIntent.
+  /// https://stripe.com/docs/api/payment_intents/retrieve
+  Future<Map<String, dynamic>> retrievePaymentIntent(String clientSecret, {String? apiVersion}) async {
+    final intentId = _parseIdFromClientSecret(clientSecret);
+    final path = '/payment_intents/$intentId';
+    final params = {'client_secret': clientSecret};
+    return _apiHandler.request(RequestMethod.get, path, publishableKey, apiVersion ?? this.apiVersion, params: params);
+  }
+
+  /// Confirm a PaymentIntent
+  /// https://stripe.com/docs/api/payment_intents/confirm
+  Future<Map<String, dynamic>> confirmPaymentIntent(String clientSecret, {Map<String, dynamic>? data, String? idempotencyKey}) async {
+    final params = data ?? {};
+    final intent = _parseIdFromClientSecret(clientSecret);
+    params['client_secret'] = clientSecret;
+    final path = '/payment_intents/$intent/confirm';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: params, idempotencyKey: idempotencyKey);
+  }
+
+  /// Retrieve a SetupIntent.
+  /// https://stripe.com/docs/api/setup_intents/retrieve
+  Future<Map<String, dynamic>> retrieveSetupIntent(String clientSecret, {String? apiVersion}) async {
+    final intentId = _parseIdFromClientSecret(clientSecret);
+    final path = '/setup_intents/$intentId';
+    final params = {'client_secret': clientSecret};
+    return _apiHandler.request(RequestMethod.get, path, publishableKey, apiVersion, params: params);
+  }
+
+  /// Confirm a SetupIntent
+  /// https://stripe.com/docs/api/setup_intents/confirm
+  Future<Map<String, dynamic>> confirmSetupIntent(String clientSecret, {Map<String, dynamic>? data}) async {
+    final params = data ?? {};
+    final intent = _parseIdFromClientSecret(clientSecret);
+    params['client_secret'] = clientSecret;
+    final path = '/setup_intents/$intent/confirm';
+    return _apiHandler.request(RequestMethod.post, path, publishableKey, apiVersion, params: params);
+  }
+
+  /// Validates the received [publishableKey] and throws a [Exception] if an
+  /// invalid key has been submitted.
+  static void _validateKey(String publishableKey) {
+    if (publishableKey == null || publishableKey.isEmpty) {
+      throw Exception('Invalid Publishable Key: '
+          'You must use a valid publishable key to create a token.  '
+          'For more info, see https://stripe.com/docs/stripe.js.');
+    }
+
+    if (publishableKey.startsWith('sk_')) {
+      throw Exception('Invalid Publishable Key: '
+          'You are using a secret key to create a token, '
+          'instead of the publishable one. For more info, '
+          'see https://stripe.com/docs/stripe.js');
+    }
+  }
+}
+
+String _parseIdFromClientSecret(String clientSecret) {
+  return clientSecret.split('_secret')[0];
+}

lib/utils/mini_stripe_api_handler.dart

@@ -0,0 +1,164 @@
+import 'dart:async';
+import 'dart:convert' show json;
+
+import 'package:flutter/foundation.dart';
+import 'package:http/http.dart' as http;
+import '../vendor/stripe_sdk/lib/stripe_sdk.dart';
+
+class MiniStripeApiHandler {
+  static const String LIVE_API_BASE = 'https://api.stripe.com';
+  static const String LIVE_LOGGING_BASE = 'https://q.stripe.com';
+  static const String LOGGING_ENDPOINT = 'https://m.stripe.com/4';
+  static const String LIVE_API_PATH = LIVE_API_BASE + '/v1';
+
+  static const String CHARSET = 'UTF-8';
+  static const String CUSTOMERS = 'customers';
+  static const String TOKENS = 'tokens';
+  static const String SOURCES = 'sources';
+
+  static const String HEADER_KEY_REQUEST_ID = 'Request-Id';
+  static const String FIELD_ERROR = 'error';
+  static const String FIELD_SOURCE = 'source';
+
+  String apiVersion = defaultApiVersion;
+
+  static const String MALFORMED_RESPONSE_MESSAGE = 'An improperly formatted error response was found.';
+
+  final http.Client _client = http.Client();
+
+  final String? stripeAccount;
+
+  MiniStripeApiHandler({this.stripeAccount});
+
+  Future<Map<String, dynamic>> request(RequestMethod method, String path, String key, String? apiVersion,
+      {final Map<String, dynamic>? params, String? idempotencyKey}) {
+    final options = RequestOptions(key: key, apiVersion: apiVersion, stripeAccount: stripeAccount, idempotencyKey: idempotencyKey);
+    return _getStripeResponse(method, LIVE_API_PATH + path, options, params: params);
+  }
+
+  Future<Map<String, dynamic>> _getStripeResponse(RequestMethod method, final String url, final RequestOptions options,
+      {final Map<String, dynamic>? params}) async {
+    print('url: $url');
+    final headers = _headers(options: options);
+
+    print('headers: $headers');
+    http.Response response;
+
+    switch (method) {
+      case RequestMethod.get:
+        var fUrl = url;
+        if (params != null && params.isNotEmpty) {
+          fUrl = '$url?${_encodeMap(params)}';
+        }
+        response = await _client.get(Uri.parse(fUrl), headers: headers);
+        break;
+
+      case RequestMethod.post:
+        response = await _client.post(
+          Uri.parse(url),
+          headers: headers,
+          body: params != null ? _urlEncodeMap(params) : null,
+        );
+        break;
+
+      case RequestMethod.delete:
+        response = await _client.delete(Uri.parse(url), headers: headers);
+        break;
+      default:
+        throw Exception('Request Method: $method not implemented');
+    }
+
+    final requestId = response.headers[HEADER_KEY_REQUEST_ID];
+
+    final statusCode = response.statusCode;
+    Map<String, dynamic> resp;
+    try {
+      resp = json.decode(response.body);
+    } catch (error) {
+      final stripeError = StripeApiError(requestId, {StripeApiError.fieldMessage: MALFORMED_RESPONSE_MESSAGE});
+      throw StripeApiException(stripeError);
+    }
+
+    if (statusCode < 200 || statusCode >= 300) {
+      final Map<String, dynamic> errBody = resp[FIELD_ERROR];
+      final stripeError = StripeApiError(requestId, errBody);
+      throw StripeApiException(stripeError);
+    } else {
+      return resp;
+    }
+  }
+
+  ///
+  ///
+  ///
+  static Map<String, String> _headers({RequestOptions? options}) {
+    final headers = <String, String>{};
+    headers['Accept-Charset'] = CHARSET;
+    headers['Accept'] = 'application/json';
+    headers['Content-Type'] = 'application/x-www-form-urlencoded';
+    headers['User-Agent'] = 'StripeSDK/v2';
+
+    if (options != null) {
+      headers['Authorization'] = 'Bearer ${options.key}';
+    }
+
+    // debug headers
+    final propertyMap = <String, String>{};
+    propertyMap['os.name'] = defaultTargetPlatform.toString();
+    propertyMap['lang'] = 'Dart';
+    propertyMap['publisher'] = 'lars.dahl@gmail.com';
+
+    headers['X-Stripe-Client-User-Agent'] = json.encode(propertyMap);
+
+    if (options != null) {
+      if (options.apiVersion != null) {
+        headers['Stripe-Version'] = options.apiVersion!;
+      }
+
+      if (options.stripeAccount != null) {
+        headers['Stripe-Account'] = options.stripeAccount!;
+      }
+
+      if (options.idempotencyKey != null) {
+        headers['Idempotency-Key'] = options.idempotencyKey!;
+      }
+    }
+
+    return headers;
+  }
+
+  static String _encodeMap(Map<String, dynamic> params) {
+    return params.keys
+        .map((key) => '${Uri.encodeComponent(key)}=${Uri.encodeComponent(params[key].toString())}')
+        .join('&');
+  }
+
+  static String _urlEncodeMap(dynamic data) {
+    final urlData = StringBuffer('');
+    var first = true;
+    void urlEncode(dynamic sub, String path) {
+      if (sub is List) {
+        for (var i = 0; i < sub.length; i++) {
+          urlEncode(sub[i], '$path%5B%5D');
+        }
+      } else if (sub is Map) {
+        sub.forEach((k, v) {
+          if (path == '') {
+            urlEncode(v, '${Uri.encodeQueryComponent(k)}');
+          } else {
+            urlEncode(v, '$path%5B${Uri.encodeQueryComponent(k)}%5D');
+          }
+        });
+      } else {
+        if (!first) {
+          urlData.write('&');
+        }
+        first = false;
+        urlData.write('$path=${Uri.encodeQueryComponent(sub.toString())}');
+      }
+    }
+
+    urlEncode(data, '');
+    return urlData.toString();
+  }
+}

lib/utils/shop_scroll_controller.dart

@@ -14,7 +14,7 @@ class ShopScrollController extends ScrollController {
     this.coordinator, {
     double initialScrollOffset = 0.0,
     this.keepScrollOffset = true,
-    this.debugLabel,
+    required this.debugLabel,
   })  : assert(initialScrollOffset != null),
         assert(keepScrollOffset != null),
         _initialScrollOffset = initialScrollOffset;
@@ -38,7 +38,7 @@ class ShopScrollController extends ScrollController {
   final bool keepScrollOffset;
 
   /// [toString]输出中使用的标签。 旨在帮助在调试输出中标识滚动控制器实例。
-  final String? debugLabel;
+  final String debugLabel;
 
   /// The currently attached positions. 当前附加的 [positions]。
   /// 这不应直接突变。 可以使用[attach]和[detach]添加和删除[ScrollPosition]对象。
@@ -175,7 +175,7 @@ class ShopScrollController extends ScrollController {
   @mustCallSuper
   void debugFillDescription(List<String> description) {
     super.debugFillDescription(description);
-    if (debugLabel != null) description.add(debugLabel!);
+    if (debugLabel != null) description.add(debugLabel);
     if (initialScrollOffset != 0.0)
       description.add(
           'initialScrollOffset: ${initialScrollOffset.toStringAsFixed(1)}, ');

lib/utils/shop_scroll_coordinator.dart

@@ -12,15 +12,15 @@ class ShopScrollCoordinator {
   /// 页面主 CustomScrollView 控制
   final String pageLabel = "page";
 
-  late ShopScrollController _pageScrollController;
+  ShopScrollController? _pageScrollController;
   double Function()? pinnedHeaderSliverHeightBuilder;
 
-  ShopScrollPosition get _pageScrollPosition => _pageScrollController.position;
+  ShopScrollPosition get _pageScrollPosition => _pageScrollController!.position;
 
-  late ScrollDragController scrollDragController;
+  ScrollDragController? scrollDragController;
 
   /// 主页面滑动部件默认位置
-  late double _pageInitialOffset;
+  double? _pageInitialOffset;
 
   /// 获取主页面滑动控制器
   ShopScrollController pageScrollController([double initialOffset = 0.0]) {
@@ -28,12 +28,12 @@ class ShopScrollCoordinator {
     _pageInitialOffset = initialOffset;
     _pageScrollController = ShopScrollController(this,
         debugLabel: pageLabel, initialScrollOffset: initialOffset);
-    return _pageScrollController;
+    return _pageScrollController!;
   }
 
   /// 创建并获取一个子滑动控制器
   ShopScrollController newChildScrollController([String? debugLabel]) =>
-      ShopScrollController(this, debugLabel: debugLabel);
+      ShopScrollController(this, debugLabel: debugLabel ?? '');
 
   /// 子部件滑动数据协调
   /// [userScrollDirection]用户滑动方向
@@ -51,7 +51,7 @@ class ShopScrollCoordinator {
       updateUserScrollDirection(position!, userScrollDirection!);
       final outerDelta = position.applyClampedDragUpdate(delta);
       if (outerDelta != 0.0) {
-        updateUserScrollDirection(_pageScrollPosition, userScrollDirection!);
+        updateUserScrollDirection(_pageScrollPosition, userScrollDirection);
         _pageScrollPosition.applyFullDragUpdate(outerDelta);
       }
     }
@@ -77,9 +77,9 @@ class ShopScrollCoordinator {
   /// 当手指离开屏幕
   void onPointerUp(PointerUpEvent event) {
     final double _pagePixels = _pageScrollPosition.pixels;
-    if (0.0 < _pagePixels && _pagePixels < _pageInitialOffset) {
+    if (0.0 < _pagePixels && _pagePixels < _pageInitialOffset!) {
       if (pageExpand == PageExpandState.NotExpand &&
-          _pageInitialOffset - _pagePixels > _scrollRedundancy) {
+          _pageInitialOffset! - _pagePixels > _scrollRedundancy) {
         _pageScrollPosition
             .animateTo(0.0,
                 duration: const Duration(milliseconds: 400), curve: Curves.ease)
@@ -87,7 +87,7 @@ class ShopScrollCoordinator {
       } else {
         pageExpand = PageExpandState.Expanding;
         _pageScrollPosition
-            .animateTo(_pageInitialOffset,
+            .animateTo(_pageInitialOffset!,
                 duration: const Duration(milliseconds: 400), curve: Curves.ease)
             .then((value) => pageExpand = PageExpandState.NotExpand);
       }