514 lines
15 KiB
Dart
514 lines
15 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/gestures.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import '../../../../routes/route_paths.dart';
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import '../../../../routes/app_router.dart';
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import '../../../../core/di/injection_container.dart';
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/// 创建账号页面 - 用户首次进入应用时的引导页面
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/// 提供创建钱包和导入助记词两种选项
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class OnboardingPage extends ConsumerStatefulWidget {
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const OnboardingPage({super.key});
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@override
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ConsumerState<OnboardingPage> createState() => _OnboardingPageState();
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}
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class _OnboardingPageState extends ConsumerState<OnboardingPage> {
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// 用户协议勾选状态
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bool _isAgreed = false;
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// 创建钱包加载状态
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bool _isCreating = false;
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// 钱包是否已创建
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bool _isWalletCreated = false;
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// 是否正在加载状态
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bool _isLoading = true;
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// 已创建的钱包数据
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String? _mnemonic;
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String? _kavaAddress;
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String? _dstAddress;
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String? _bscAddress;
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String? _serialNumber;
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String? _referralCode;
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@override
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void initState() {
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super.initState();
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_checkWalletStatus();
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}
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/// 检查钱包是否已创建
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Future<void> _checkWalletStatus() async {
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try {
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final accountService = ref.read(accountServiceProvider);
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// 检查是否已创建钱包
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final hasAccount = await accountService.hasAccount();
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if (hasAccount) {
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// 读取已保存的钱包数据
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final mnemonic = await accountService.getMnemonic();
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final addresses = await accountService.getWalletAddresses();
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final sequence = await accountService.getAccountSequence();
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final referralCode = await accountService.getReferralCode();
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if (mounted) {
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setState(() {
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_isWalletCreated = true;
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_mnemonic = mnemonic;
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_kavaAddress = addresses?.kava;
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_dstAddress = addresses?.dst;
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_bscAddress = addresses?.bsc;
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_serialNumber = sequence?.toString();
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_referralCode = referralCode;
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_isLoading = false;
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// 如果钱包已创建，自动勾选协议
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_isAgreed = true;
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});
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}
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} else {
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if (mounted) {
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setState(() {
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_isWalletCreated = false;
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_isLoading = false;
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});
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}
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}
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} catch (e) {
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debugPrint('检查钱包状态失败: $e');
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if (mounted) {
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setState(() {
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_isWalletCreated = false;
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_isLoading = false;
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});
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}
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}
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}
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/// 创建钱包并跳转到备份页面
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///
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/// 调用后端 API 使用 MPC 2-of-3 协议生成钱包地址
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Future<void> _createWallet() async {
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if (!_isAgreed) {
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_showAgreementTip();
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return;
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}
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setState(() {
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_isCreating = true;
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});
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try {
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// 获取 AccountService
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final accountService = ref.read(accountServiceProvider);
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// 调用后端 API 创建账号
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debugPrint('开始创建账号...');
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final response = await accountService.createAccount();
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debugPrint('账号创建成功: 序列号=${response.accountSequence}');
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if (!mounted) return;
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// MPC 模式下，检查是否有客户端分片数据
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// 如果有分片数据，需要提示用户妥善保管
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final hasMpcData = response.clientShareData != null &&
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response.clientShareData!.isNotEmpty;
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// 跳转到钱包创建成功页面
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context.push(
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RoutePaths.backupMnemonic,
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extra: BackupMnemonicParams(
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// MPC 模式下助记词为空，显示账号信息即可
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mnemonicWords: response.mnemonic?.isNotEmpty == true
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? response.mnemonic!.split(' ')
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: [], // MPC 模式下为空
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kavaAddress: response.walletAddresses.kava,
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dstAddress: response.walletAddresses.dst,
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bscAddress: response.walletAddresses.bsc,
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serialNumber: response.accountSequence.toString(),
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referralCode: response.referralCode,
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publicKey: response.publicKey,
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isMpcMode: hasMpcData, // 标记是否为 MPC 模式
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),
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);
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} catch (e) {
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debugPrint('创建账号失败: $e');
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('创建账号失败: ${e.toString().replaceAll('Exception: ', '')}'),
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backgroundColor: Colors.red,
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duration: const Duration(seconds: 5),
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),
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);
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} finally {
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if (mounted) {
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setState(() => _isCreating = false);
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}
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}
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}
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/// 显示需要同意协议的提示
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void _showAgreementTip() {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('请先阅读并同意用户协议和隐私政策'),
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backgroundColor: Color(0xFFD4AF37),
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),
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);
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}
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/// 显示用户协议
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void _showUserAgreement() {
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// TODO: 跳转到用户协议页面
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debugPrint('显示用户协议');
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}
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/// 显示隐私政策
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void _showPrivacyPolicy() {
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// TODO: 跳转到隐私政策页面
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debugPrint('显示隐私政策');
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}
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/// 导入助记词
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void _importMnemonic() {
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// TODO: 跳转到导入助记词页面
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debugPrint('导入助记词');
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}
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/// 跳转到备份助记词页面（钱包已创建的情况）
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void _goToBackupMnemonic() {
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if (_mnemonic == null || _kavaAddress == null || _dstAddress == null ||
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_bscAddress == null || _serialNumber == null) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('钱包数据不完整，请重新创建'),
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backgroundColor: Colors.red,
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),
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);
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return;
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}
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context.push(
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RoutePaths.backupMnemonic,
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extra: BackupMnemonicParams(
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mnemonicWords: _mnemonic!.split(' '),
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kavaAddress: _kavaAddress!,
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dstAddress: _dstAddress!,
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bscAddress: _bscAddress!,
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serialNumber: _serialNumber!,
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referralCode: _referralCode,
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isMpcMode: false,
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),
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);
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}
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/// 处理按钮点击
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void _handleButtonTap() {
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if (_isWalletCreated) {
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// 钱包已创建，跳转到备份页面
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_goToBackupMnemonic();
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} else {
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// 钱包未创建，创建新钱包
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_createWallet();
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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width: double.infinity,
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height: double.infinity,
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// 渐变背景 - 从浅米色到金黄色
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [
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Color(0xFFFFF5E6), // 浅米色
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Color(0xFFFFE4B5), // 金黄色
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],
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),
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),
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child: SafeArea(
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 15),
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child: Column(
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children: [
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// 顶部 Logo 和标题区域
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_buildHeader(),
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const SizedBox(height: 48),
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// 创建账户说明区域
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_buildDescription(),
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const Spacer(),
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// 底部操作区域
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_buildActionSection(),
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const SizedBox(height: 9),
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],
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),
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),
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),
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),
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);
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}
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/// 构建顶部 Logo 和标题
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Widget _buildHeader() {
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return Column(
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children: [
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const SizedBox(height: 32),
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// Logo 容器
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Container(
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width: 100,
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height: 80,
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(8),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.05),
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blurRadius: 10,
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offset: const Offset(0, 2),
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),
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],
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),
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child: const Center(
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child: Text(
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'ap',
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style: TextStyle(
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fontSize: 32,
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fontWeight: FontWeight.w600,
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color: Color(0xFF2E7D32), // 绿色
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),
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),
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),
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),
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const SizedBox(height: 24),
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// 应用标题
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const Text(
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'榴莲女皇',
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style: TextStyle(
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fontSize: 32,
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fontFamily: 'Inter',
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fontWeight: FontWeight.w700,
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height: 1.25,
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color: Color(0xFF5D4037), // 深棕色
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),
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),
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],
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);
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}
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/// 构建创建账户说明区域
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Widget _buildDescription() {
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return Column(
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children: [
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// 标题
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const Text(
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'创建账户',
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style: TextStyle(
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fontSize: 22,
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fontFamily: 'Inter',
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fontWeight: FontWeight.w700,
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height: 1.25,
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letterSpacing: -0.33,
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color: Color(0xFF5D4037),
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),
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),
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const SizedBox(height: 16),
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// 说明文字
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const Padding(
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padding: EdgeInsets.symmetric(horizontal: 20),
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child: Text(
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'我们将为你创建三个链的钱包地址：KAVA / DST / BSC，同时生成唯一序列号用于推荐与权益。',
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style: TextStyle(
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fontSize: 16,
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fontFamily: 'Inter',
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height: 1.5,
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color: Color(0xFF5D4037),
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),
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textAlign: TextAlign.center,
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),
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),
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],
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);
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}
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/// 构建底部操作区域
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Widget _buildActionSection() {
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return Column(
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children: [
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// 生成钱包按钮
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_buildCreateButton(),
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const SizedBox(height: 20),
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// 用户协议勾选
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_buildAgreementCheckbox(),
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const SizedBox(height: 24),
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// 导入助记词链接
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_buildImportLink(),
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],
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);
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}
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/// 构建创建钱包按钮
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Widget _buildCreateButton() {
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// 加载中显示骨架
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if (_isLoading) {
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return Container(
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width: double.infinity,
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height: 48,
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decoration: BoxDecoration(
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color: const Color(0xFFD4AF37).withValues(alpha: 0.5),
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borderRadius: BorderRadius.circular(8),
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),
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child: const Center(
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child: SizedBox(
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width: 24,
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height: 24,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
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),
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),
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),
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);
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}
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// 根据钱包状态决定按钮文字和行为
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final buttonText = _isWalletCreated
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? '钱包已创建（点击备份助记词）'
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: '生成钱包（创建账户）';
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// 钱包已创建时，不需要勾选协议
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final isEnabled = _isWalletCreated || _isAgreed;
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return GestureDetector(
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onTap: (_isCreating || !isEnabled) ? null : _handleButtonTap,
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child: Opacity(
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opacity: isEnabled ? 1.0 : 0.5,
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child: Container(
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width: double.infinity,
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height: 48,
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decoration: BoxDecoration(
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color: _isWalletCreated
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? const Color(0xFF52C41A) // 绿色表示已创建
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: const Color(0xFFD4AF37), // 金色表示待创建
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borderRadius: BorderRadius.circular(8),
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),
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child: Center(
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child: _isCreating
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? const SizedBox(
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width: 24,
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height: 24,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation<Color>(Colors.white),
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),
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)
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: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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if (_isWalletCreated) ...[
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const Icon(
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Icons.check_circle,
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color: Colors.white,
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size: 20,
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),
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const SizedBox(width: 8),
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],
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Text(
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buttonText,
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style: const TextStyle(
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fontSize: 16,
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fontFamily: 'Inter',
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fontWeight: FontWeight.w700,
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height: 1.5,
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letterSpacing: 0.24,
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color: Colors.white,
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),
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),
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],
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),
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),
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),
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),
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);
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}
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/// 构建用户协议勾选框
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Widget _buildAgreementCheckbox() {
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return Row(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 勾选框
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SizedBox(
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width: 20,
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height: 20,
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child: Checkbox(
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value: _isAgreed,
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onChanged: (value) {
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setState(() {
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_isAgreed = value ?? false;
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});
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},
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activeColor: const Color(0xFFD4AF37),
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side: const BorderSide(color: Color(0xFF5D4037)),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(4),
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),
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),
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),
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const SizedBox(width: 8),
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// 协议文字
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Flexible(
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child: RichText(
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text: TextSpan(
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style: const TextStyle(
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fontSize: 14,
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fontFamily: 'Inter',
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fontWeight: FontWeight.w500,
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height: 1.43,
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color: Color(0xFF5D4037),
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),
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children: [
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const TextSpan(text: '我已阅读并同意 '),
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TextSpan(
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text: '《用户协议》',
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style: const TextStyle(color: Color(0xFFD4AF37)),
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recognizer: TapGestureRecognizer()..onTap = _showUserAgreement,
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),
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TextSpan(
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text: '《隐私政策》',
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style: const TextStyle(color: Color(0xFFD4AF37)),
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recognizer: TapGestureRecognizer()..onTap = _showPrivacyPolicy,
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),
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],
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),
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),
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),
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],
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);
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}
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/// 构建导入助记词链接
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Widget _buildImportLink() {
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return GestureDetector(
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onTap: _importMnemonic,
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child: const Text(
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'已有账号？ 导入助记词',
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style: TextStyle(
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fontSize: 14,
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fontFamily: 'Inter',
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fontWeight: FontWeight.w500,
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height: 1.43,
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color: Color(0xFFD4AF37),
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),
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),
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);
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}
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}
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