sion123
f5ac578892
Removed outdated compatibility aliases and deprecated methods from AppColorScheme, and updated CLAUDE.md to reflect new theme system requirements with centralized color management and no hard-coded values in UI components.
498 lines
15 KiB
Dart
498 lines
15 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:provider/provider.dart';
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import 'package:lucide_icons_flutter/lucide_icons.dart';
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import '../../../core/theme/app_theme.dart';
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import '../../../core/theme/app_color_scheme.dart';
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import '../../../core/theme/app_spacing.dart';
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import '../../../providers/asset_provider.dart';
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import '../../../data/models/account_models.dart';
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/// 划转页面
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class TransferPage extends StatefulWidget {
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const TransferPage({super.key});
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@override
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State<TransferPage> createState() => _TransferPageState();
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}
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class _TransferPageState extends State<TransferPage> {
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final _amountController = TextEditingController();
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final _focusNode = FocusNode();
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int _direction = 1; // 1: 资金→交易, 2: 交易→资金
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bool _isLoading = false;
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) {
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context.read<AssetProvider>().refreshAll(force: true);
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});
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}
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@override
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void dispose() {
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_amountController.dispose();
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_focusNode.dispose();
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super.dispose();
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}
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// ============================================
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// 数据访问
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// ============================================
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/// 获取资金账户余额
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String get _fundBalance {
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final provider = context.read<AssetProvider>();
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return provider.fundAccount?.balance ?? provider.overview?.fundBalance ?? '0.00';
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}
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/// 获取交易账户 USDT 余额
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String get _tradeUsdtBalance {
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final provider = context.read<AssetProvider>();
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final usdtHolding = provider.tradeAccounts.firstWhere(
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(t) => t.coinCode.toUpperCase() == 'USDT',
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orElse: () => AccountTrade(
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id: 0,
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userId: 0,
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coinCode: 'USDT',
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quantity: '0',
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avgPrice: '1',
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totalCost: '0',
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currentValue: '0',
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profit: '0',
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profitRate: 0,
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),
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);
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return usdtHolding.quantity;
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}
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/// 获取当前可用余额（根据方向）
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String get _availableBalance => _direction == 1 ? _fundBalance : _tradeUsdtBalance;
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/// 从账户名
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String get _fromLabel => _direction == 1 ? '资金账户' : '交易账户';
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String get _toLabel => _direction == 1 ? '交易账户' : '资金账户';
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String get _fromBalance => _direction == 1 ? _fundBalance : _tradeUsdtBalance;
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String get _toBalance => _direction == 1 ? _tradeUsdtBalance : _fundBalance;
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// ============================================
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// 主题辅助
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// ============================================
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bool get _isDark => Theme.of(context).brightness == Brightness.dark;
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// ============================================
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// 业务逻辑
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// ============================================
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/// 执行划转
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Future<void> _doTransfer() async {
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final amount = _amountController.text;
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final available = double.tryParse(_availableBalance) ?? 0;
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final transferAmount = double.tryParse(amount) ?? 0;
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if (transferAmount <= 0) {
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_showSnackBar('请输入有效的划转金额');
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return;
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}
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if (transferAmount > available) {
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_showSnackBar('余额不足');
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return;
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}
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setState(() => _isLoading = true);
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try {
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final response = await context.read<AssetProvider>().transfer(
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direction: _direction,
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amount: amount,
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);
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if (mounted) {
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if (response.success) {
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_amountController.clear();
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_showSnackBar('划转成功');
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Navigator.of(context).pop(true);
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} else {
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_showSnackBar(response.message ?? '划转失败');
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}
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}
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} finally {
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if (mounted) {
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setState(() => _isLoading = false);
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}
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}
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}
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void _showSnackBar(String message) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text(message)),
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);
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}
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/// 设置快捷百分比金额
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void _setQuickAmount(double percent) {
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final available = double.tryParse(_availableBalance) ?? 0;
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final amount = available * percent;
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_amountController.text = amount.toStringAsFixed(8).replaceAll(RegExp(r'\.?0+$'), '');
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}
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/// 切换方向
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void _toggleDirection() {
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setState(() {
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_direction = _direction == 1 ? 2 : 1;
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});
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}
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// ============================================
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// 构建 UI
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// ============================================
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@override
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Widget build(BuildContext context) {
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final colorScheme = Theme.of(context).colorScheme;
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return Scaffold(
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backgroundColor: colorScheme.surface,
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appBar: AppBar(
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backgroundColor: colorScheme.surfaceContainer,
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elevation: 0,
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scrolledUnderElevation: 0,
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leading: IconButton(
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icon: Icon(LucideIcons.arrowLeft, color: colorScheme.onSurface, size: 20),
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onPressed: () => Navigator.of(context).pop(),
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),
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title: Text(
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'账户划转',
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style: AppTextStyles.headlineLarge(context),
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),
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centerTitle: true,
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),
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body: Consumer<AssetProvider>(
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builder: (context, provider, _) {
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return SingleChildScrollView(
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padding: const EdgeInsets.fromLTRB(AppSpacing.md, AppSpacing.md, AppSpacing.md, AppSpacing.xl),
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child: Column(
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children: [
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_buildTransferDirectionCard(),
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const SizedBox(height: AppSpacing.lg),
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_buildAmountSection(),
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const SizedBox(height: AppSpacing.lg),
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_buildTipsCard(),
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const SizedBox(height: AppSpacing.lg),
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_buildConfirmButton(),
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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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// Transfer direction card
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// ============================================
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Widget _buildTransferDirectionCard() {
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final colorScheme = Theme.of(context).colorScheme;
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.all(AppSpacing.lg),
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decoration: BoxDecoration(
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color: colorScheme.surfaceContainer,
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borderRadius: BorderRadius.circular(AppRadius.xl),
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border: Border.all(color: colorScheme.outlineVariant.withValues(alpha: 0.6)),
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),
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child: Column(
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children: [
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// Source account
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_animatedSwitcher(
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key: 'src-$_direction',
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beginOffset: const Offset(0, -1),
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child: _buildAccountRow(
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label: '从',
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accountName: _fromLabel,
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balance: _fromBalance,
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),
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),
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// Swap button
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GestureDetector(
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onTap: _toggleDirection,
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child: Container(
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width: 36,
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height: 36,
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margin: const EdgeInsets.symmetric(vertical: AppSpacing.md),
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decoration: BoxDecoration(
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color: colorScheme.secondary,
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shape: BoxShape.circle,
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),
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child: Center(
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child: Icon(LucideIcons.arrowUpDown, size: 18, color: colorScheme.onSecondary),
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),
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),
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),
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// Destination account
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_animatedSwitcher(
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key: 'dst-$_direction',
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beginOffset: const Offset(0, 1),
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child: _buildAccountRow(
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label: '到',
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accountName: _toLabel,
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balance: _toBalance,
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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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/// 统一的 AnimatedSwitcher 构造
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Widget _animatedSwitcher({
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required String key,
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required Offset beginOffset,
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required Widget child,
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}) {
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return AnimatedSwitcher(
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duration: const Duration(milliseconds: 300),
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switchInCurve: Curves.easeInOut,
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switchOutCurve: Curves.easeInOut,
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transitionBuilder: (widget, animation) {
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return SlideTransition(
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position: Tween<Offset>(begin: beginOffset, end: Offset.zero).animate(animation),
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child: FadeTransition(opacity: animation, child: widget),
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);
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},
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child: KeyedSubtree(key: ValueKey(key), child: child),
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);
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}
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/// Single account row inside the direction card
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Widget _buildAccountRow({
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required String label,
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required String accountName,
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required String balance,
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}) {
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final colorScheme = Theme.of(context).colorScheme;
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return SizedBox(
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width: double.infinity,
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(label, style: AppTextStyles.bodySmall(context)),
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const SizedBox(height: AppSpacing.sm),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Row(
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children: [
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Icon(
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label == '从' ? LucideIcons.wallet : LucideIcons.repeat,
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size: 18,
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color: colorScheme.onSurfaceVariant,
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),
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const SizedBox(width: AppSpacing.sm + 2),
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Text(accountName, style: AppTextStyles.headlineMedium(context)),
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],
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),
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Text(
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'\u00A5 ${_formatBalance(balance)}',
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style: AppTextStyles.headlineMedium(context),
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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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// Amount input section
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// ============================================
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Widget _buildAmountSection() {
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final colorScheme = Theme.of(context).colorScheme;
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Label row: "划转金额" + "全部划转"
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text('划转金额', style: AppTextStyles.headlineSmall(context).copyWith(color: colorScheme.onSurfaceVariant)),
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GestureDetector(
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onTap: () => _setQuickAmount(1.0),
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child: Text('全部划转', style: AppTextStyles.labelLarge(context).copyWith(
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color: colorScheme.secondary,
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fontWeight: FontWeight.w600,
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)),
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),
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],
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),
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const SizedBox(height: 12),
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// Amount input field
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GestureDetector(
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onTap: () => _focusNode.requestFocus(),
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child: Container(
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width: double.infinity,
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height: 56,
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padding: const EdgeInsets.symmetric(horizontal: AppSpacing.md),
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decoration: BoxDecoration(
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color: colorScheme.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(AppRadius.lg),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Expanded(
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child: TextField(
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controller: _amountController,
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focusNode: _focusNode,
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keyboardType: const TextInputType.numberWithOptions(decimal: true),
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inputFormatters: [
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FilteringTextInputFormatter.allow(RegExp(r'^\d*\.?\d{0,8}')),
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],
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style: AppTextStyles.numberLarge(context),
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decoration: InputDecoration(
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hintText: '0.00',
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hintStyle: AppTextStyles.numberLarge(context).copyWith(
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color: AppColorScheme.darkOnSurfaceMuted,
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),
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border: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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isDense: true,
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),
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),
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),
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Padding(
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padding: const EdgeInsets.only(left: AppSpacing.sm),
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child: Text('USDT', style: AppTextStyles.headlineMedium(context).copyWith(
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fontWeight: FontWeight.w400,
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color: AppColorScheme.darkOnSurfaceMuted,
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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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const SizedBox(height: 12),
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// Percent buttons
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Row(
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children: [0.25, 0.50, 0.75, 1.0].asMap().entries.map((entry) {
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final index = entry.key;
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final percent = entry.value;
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final label = '${(percent * 100).toInt()}%';
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return Padding(
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padding: EdgeInsets.only(left: index > 0 ? AppSpacing.sm : 0),
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child: _buildPercentButton(label, percent),
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);
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}).toList(),
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),
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],
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);
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}
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Widget _buildPercentButton(String label, double percent) {
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final colorScheme = Theme.of(context).colorScheme;
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return Expanded(
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child: GestureDetector(
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onTap: () => _setQuickAmount(percent),
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child: Container(
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height: 36,
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decoration: BoxDecoration(
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color: colorScheme.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(AppRadius.sm),
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),
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child: Center(
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child: Text(label, style: AppTextStyles.headlineSmall(context)),
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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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// Tips card & Confirm button
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// ============================================
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Widget _buildTipsCard() {
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final upColor = AppColorScheme.getUpColor(_isDark);
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(horizontal: AppSpacing.md, vertical: 12),
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decoration: BoxDecoration(
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color: AppColorScheme.getUpBackgroundColor(_isDark),
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borderRadius: BorderRadius.circular(AppRadius.lg),
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),
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child: Row(
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children: [
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Icon(LucideIcons.info, size: 16, color: upColor),
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const SizedBox(width: AppSpacing.sm),
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Expanded(
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child: Text(
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'划转即时到账，无需手续费',
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style: AppTextStyles.bodyMedium(context).copyWith(color: upColor),
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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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Widget _buildConfirmButton() {
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final colorScheme = Theme.of(context).colorScheme;
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return SizedBox(
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width: double.infinity,
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height: 52,
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child: GestureDetector(
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onTap: _isLoading ? null : _doTransfer,
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child: Container(
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decoration: BoxDecoration(
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color: colorScheme.secondary,
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borderRadius: BorderRadius.circular(AppRadius.lg),
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),
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child: Center(
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child: _isLoading
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? SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation<Color>(colorScheme.onSecondary),
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),
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)
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: Text(
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'确认划转',
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style: AppTextStyles.displayMedium(context).copyWith(
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color: colorScheme.onSecondary,
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fontSize: 16,
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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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// Helpers
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// ============================================
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String _formatBalance(String balance) {
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final val = double.tryParse(balance);
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if (val == null) return '0.00';
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return val.toStringAsFixed(2);
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}
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}
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