835 lines
25 KiB
Dart
835 lines
25 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:google_fonts/google_fonts.dart';
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import '../theme/app_colors.dart';
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import '../widgets/gradient_button.dart';
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class LoginPage extends StatefulWidget {
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const LoginPage({super.key});
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@override
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State<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginPage> with TickerProviderStateMixin {
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// State
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bool _agreed = false;
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bool _isLoading = false;
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bool _showSmsView = false;
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// SMS Login State
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final TextEditingController _phoneController = TextEditingController();
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final TextEditingController _codeController = TextEditingController();
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int _countdown = 0;
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Timer? _countdownTimer;
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bool _isSmsSubmitting = false;
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@override
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void dispose() {
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_phoneController.dispose();
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_codeController.dispose();
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_countdownTimer?.cancel();
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super.dispose();
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}
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// ========== Agreement Dialog ==========
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void _showAgreementDialog({required String action}) {
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showDialog(
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context: context,
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barrierColor: Colors.black.withOpacity(0.5),
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builder: (context) => _buildAgreementModal(action),
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);
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}
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Widget _buildAgreementModal(String action) {
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return Dialog(
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backgroundColor: Colors.white,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
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child: Container(
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width: 320,
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padding: const EdgeInsets.fromLTRB(24, 28, 24, 24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Title
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Text(
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'服务协议',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: const Color(0xFF1F2937),
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),
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),
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const SizedBox(height: 12),
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// Content
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Text.rich(
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TextSpan(
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text: '请先阅读并同意',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 14,
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color: const Color(0xFF6B7280),
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height: 1.6,
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),
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children: [
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TextSpan(
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text: '《用户协议》',
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style: TextStyle(fontFamily: 'Inter', color: const Color(0xFF6366F1)),
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),
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const TextSpan(text: '和'),
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TextSpan(
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text: '《隐私政策》',
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style: TextStyle(fontFamily: 'Inter', color: const Color(0xFF6366F1)),
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),
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const TextSpan(text: '，以便为您提供更好的服务。'),
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],
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 24),
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// Buttons
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Row(
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children: [
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// Cancel
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Expanded(
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child: GestureDetector(
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onTap: () => Navigator.pop(context),
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child: Container(
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height: 48,
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decoration: BoxDecoration(
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color: const Color(0xFFF3F4F6),
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borderRadius: BorderRadius.circular(24),
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),
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alignment: Alignment.center,
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child: Text(
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'再想想',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 15,
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fontWeight: FontWeight.w500,
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color: const Color(0xFF6B7280),
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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(width: 12),
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// Confirm
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Expanded(
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child: GestureDetector(
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onTap: () {
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setState(() => _agreed = true);
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Navigator.pop(context);
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if (action == 'oneclick') {
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_doOneClickLogin();
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} else if (action == 'sms') {
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setState(() => _showSmsView = true);
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}
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},
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child: Container(
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height: 48,
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decoration: BoxDecoration(
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gradient: const LinearGradient(
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colors: [Color(0xFF6366F1), Color(0xFF8B5CF6)],
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),
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borderRadius: BorderRadius.circular(24),
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),
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alignment: Alignment.center,
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child: Text(
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'同意并继续',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 15,
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fontWeight: FontWeight.w500,
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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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),
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);
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}
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// ========== One-Click Login ==========
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void _handleOneClickLogin() {
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if (!_agreed) {
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_showAgreementDialog(action: 'oneclick');
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return;
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}
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_doOneClickLogin();
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}
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void _doOneClickLogin() {
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setState(() => _isLoading = true);
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_showToast('正在获取本机号码...');
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Future.delayed(const Duration(milliseconds: 1500), () {
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if (mounted) {
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_showToast('登录成功');
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Future.delayed(const Duration(seconds: 1), () {
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if (mounted) {
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setState(() => _isLoading = false);
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Navigator.of(context).pushReplacementNamed('/home');
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}
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});
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}
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});
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}
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// ========== SMS Login ==========
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void _handleSmsLinkTap() {
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if (!_agreed) {
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_showAgreementDialog(action: 'sms');
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return;
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}
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setState(() => _showSmsView = true);
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}
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bool _isValidPhone(String phone) {
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return RegExp(r'^1[3-9]\d{9}$').hasMatch(phone);
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}
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bool get _canSubmitSms {
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return _isValidPhone(_phoneController.text) &&
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_codeController.text.length == 6;
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}
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void _sendCode() {
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if (!_isValidPhone(_phoneController.text)) {
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_showToast('请输入正确的手机号');
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return;
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}
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setState(() => _countdown = 60);
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_showToast('验证码已发送');
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_countdownTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
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if (_countdown <= 1) {
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timer.cancel();
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if (mounted) setState(() => _countdown = 0);
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} else {
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if (mounted) setState(() => _countdown--);
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}
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});
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}
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void _submitSmsLogin() {
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if (!_canSubmitSms) return;
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setState(() => _isSmsSubmitting = true);
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Future.delayed(const Duration(milliseconds: 1500), () {
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if (mounted) {
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_showToast('登录成功');
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Future.delayed(const Duration(seconds: 1), () {
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if (mounted) {
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setState(() => _isSmsSubmitting = false);
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Navigator.of(context).pushReplacementNamed('/home');
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}
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});
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}
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});
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}
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// ========== Toast ==========
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void _showToast(String message) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(message),
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duration: const Duration(seconds: 2),
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behavior: SnackBarBehavior.floating,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
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margin: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
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),
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);
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}
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// ========== Build ==========
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.white,
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resizeToAvoidBottomInset: true,
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body: Stack(
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children: [
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// Background
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_buildGradientBackground(),
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// Main Login View
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_buildMainLoginView(),
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// SMS View (overlay)
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if (_showSmsView) _buildSmsView(),
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],
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),
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);
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}
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// ========== Gradient Background ==========
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Widget _buildGradientBackground() {
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final size = MediaQuery.of(context).size;
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return Positioned.fill(
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child: Stack(
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children: [
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// Layer 1 - Pink (bottom-left)
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Positioned(
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bottom: -size.width * 0.5,
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left: -size.width * 0.5,
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width: size.width * 2,
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height: size.width * 2,
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child: Container(
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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gradient: RadialGradient(
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colors: [
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const Color(0xFFFFC8DC).withOpacity(0.6),
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Colors.transparent,
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],
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radius: 0.5,
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),
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),
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),
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),
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// Layer 2 - Cyan (top-right)
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Positioned(
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top: -size.width * 0.5,
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right: -size.width * 0.5,
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width: size.width * 2,
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height: size.width * 2,
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child: Container(
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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gradient: RadialGradient(
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colors: [
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const Color(0xFFB4F0F0).withOpacity(0.5),
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Colors.transparent,
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],
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radius: 0.5,
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),
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),
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),
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),
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// Layer 3 - Lavender (center)
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Positioned(
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top: size.height * 0.2,
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left: size.width * 0.1,
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width: size.width * 1.2,
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height: size.width * 1.2,
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child: Container(
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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gradient: RadialGradient(
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colors: [
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const Color(0xFFE6D2FA).withOpacity(0.45),
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Colors.transparent,
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],
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radius: 0.5,
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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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// ========== Main Login View ==========
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Widget _buildMainLoginView() {
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final bottomPadding = MediaQuery.of(context).padding.bottom;
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final topPadding = MediaQuery.of(context).padding.top;
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return SafeArea(
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child: Column(
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children: [
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// Logo - padding-top: calc(env(safe-area-inset-top) + 60px)
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Padding(
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padding: const EdgeInsets.only(top: 60),
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child: Text(
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'Airhub',
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style: GoogleFonts.pressStart2p(
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fontSize: 26,
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color: const Color(0xFF4B2E83),
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letterSpacing: 2,
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shadows: [
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Shadow(
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offset: const Offset(0, 2),
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blurRadius: 10,
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color: const Color(0xFF8B5CF6).withOpacity(0.3),
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),
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Shadow(
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offset: const Offset(0, 0),
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blurRadius: 40,
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color: const Color(0xFF8B5CF6).withOpacity(0.15),
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),
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],
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),
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),
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),
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// Mascot - flex: 1, centered
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Expanded(child: Center(child: _FloatingMascot())),
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// Bottom Form
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Padding(
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padding: EdgeInsets.fromLTRB(32, 0, 32, bottomPadding + 40),
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child: Column(
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children: [
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// Primary Button - height: 56px, border-radius: 28px
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GradientButton(
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text: '本机号码一键登录',
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onPressed: _handleOneClickLogin,
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isLoading: _isLoading,
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height: 56,
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),
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// SMS Link - margin-top: 20px, font-size: 14px
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const SizedBox(height: 20),
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GestureDetector(
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onTap: _handleSmsLinkTap,
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child: Text(
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'使用验证码登录',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 14,
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color: const Color(0xFF4B2E83).withOpacity(0.7),
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),
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),
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),
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// Agreement - margin-top: 28px
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const SizedBox(height: 28),
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_buildAgreementCheckbox(),
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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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// ========== Agreement Checkbox ==========
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Widget _buildAgreementCheckbox() {
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return GestureDetector(
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onTap: () => setState(() => _agreed = !_agreed),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Checkbox - 18x18, border-radius: 5px
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Container(
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width: 18,
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height: 18,
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margin: const EdgeInsets.only(top: 1), // Fine-tune alignment
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decoration: BoxDecoration(
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gradient: _agreed
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? const LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [Color(0xFF6366F1), Color(0xFF8B5CF6)],
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)
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: null,
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color: _agreed ? null : const Color(0x99FFFFFF),
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borderRadius: BorderRadius.circular(5),
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border: Border.all(
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color: _agreed
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? Colors.transparent
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: const Color(0xFF4B2E83).withOpacity(0.3),
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width: 1.5,
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),
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),
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child: _agreed
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? const Center(
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child: Text(
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'✓',
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style: TextStyle(
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color: Colors.white,
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fontSize: 11,
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fontWeight: FontWeight.w700,
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),
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),
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)
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: null,
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),
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const SizedBox(width: 10), // gap: 10px
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// Text - font-size: 12px, line-height: 1.6
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Flexible(
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child: Text.rich(
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TextSpan(
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text: '我已阅读并同意',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 12,
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color: const Color(0xFF4B2E83).withOpacity(0.6),
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height: 1.6,
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),
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children: [
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TextSpan(
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text: '《用户协议》',
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style: TextStyle(fontFamily: 'Inter', color: const Color(0xFF6366F1)),
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),
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const TextSpan(text: '和'),
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TextSpan(
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text: '《隐私政策》',
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style: TextStyle(fontFamily: 'Inter', color: const Color(0xFF6366F1)),
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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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// ========== SMS View ==========
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Widget _buildSmsView() {
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final topPadding = MediaQuery.of(context).padding.top;
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final bottomPadding = MediaQuery.of(context).padding.bottom;
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return Positioned.fill(
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child: Container(
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color: Colors.white,
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child: Stack(
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children: [
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// Background
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_buildGradientBackground(),
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// Content
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Header - padding-top: 60px (fixed)
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Padding(
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padding: const EdgeInsets.fromLTRB(24, 60, 24, 16),
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child: _buildBackButton(),
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),
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// Body
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Expanded(
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child: SingleChildScrollView(
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padding: EdgeInsets.fromLTRB(
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32,
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60,
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32,
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bottomPadding + 40,
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Heading - font-size: 32px, font-weight: 700
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Text(
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'欢迎使用 Airhub',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 32,
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fontWeight: FontWeight.w700,
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color: const Color(0xFF4B2E83),
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letterSpacing: -0.5,
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),
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),
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const SizedBox(height: 12),
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// Subheading - font-size: 15px
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Text(
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'请输入您的手机号验证登录',
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style: TextStyle(fontFamily: 'Inter',
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fontSize: 15,
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fontWeight: FontWeight.w400,
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color: const Color(0xFF4B2E83).withOpacity(0.6),
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),
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),
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const SizedBox(height: 48),
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|
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// Phone Input
|
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_buildPhoneInput(),
|
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const SizedBox(height: 24),
|
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|
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// Code Input
|
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_buildCodeInput(),
|
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const SizedBox(height: 48),
|
|
|
|
// Submit Button - height: 60px, border-radius: 30px
|
|
_buildSmsSubmitButton(),
|
|
],
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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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);
|
|
}
|
|
|
|
Widget _buildBackButton() {
|
|
return GestureDetector(
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|
onTap: () => setState(() => _showSmsView = false),
|
|
child: Container(
|
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width: 40,
|
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height: 40,
|
|
decoration: BoxDecoration(
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shape: BoxShape.circle,
|
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color: const Color(0x66FFFFFF),
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border: Border.all(color: const Color(0x99FFFFFF)),
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boxShadow: [
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BoxShadow(
|
|
color: Colors.black.withOpacity(0.03),
|
|
offset: const Offset(0, 4),
|
|
blurRadius: 12,
|
|
),
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],
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),
|
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child: const Center(
|
|
child: Icon(Icons.arrow_back, size: 22, color: Color(0xFF4B2E83)),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildPhoneInput() {
|
|
return Container(
|
|
height: 64,
|
|
decoration: BoxDecoration(
|
|
color: const Color(0x8CFFFFFF),
|
|
border: Border.all(color: const Color(0xCCFFFFFF)),
|
|
borderRadius: BorderRadius.circular(20),
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: const Color(0xFF8B5CF6).withOpacity(0.03),
|
|
offset: const Offset(0, 2),
|
|
blurRadius: 10,
|
|
),
|
|
],
|
|
),
|
|
padding: const EdgeInsets.symmetric(horizontal: 24),
|
|
child: Row(
|
|
children: [
|
|
// Prefix
|
|
Container(
|
|
padding: const EdgeInsets.only(right: 16),
|
|
margin: const EdgeInsets.only(right: 16),
|
|
decoration: const BoxDecoration(
|
|
border: Border(
|
|
right: BorderSide(color: Color(0x1A4B2E83), width: 1),
|
|
),
|
|
),
|
|
child: Text(
|
|
'+86',
|
|
style: TextStyle(fontFamily: 'Inter',
|
|
fontSize: 16,
|
|
fontWeight: FontWeight.w600,
|
|
color: const Color(0xFF4B2E83),
|
|
),
|
|
),
|
|
),
|
|
// Input
|
|
Expanded(
|
|
child: TextField(
|
|
controller: _phoneController,
|
|
keyboardType: TextInputType.phone,
|
|
maxLength: 11,
|
|
style: TextStyle(fontFamily: 'Inter',
|
|
fontSize: 17,
|
|
fontWeight: FontWeight.w500,
|
|
color: const Color(0xFF1F2937),
|
|
),
|
|
decoration: InputDecoration(
|
|
border: InputBorder.none,
|
|
hintText: '请输入手机号',
|
|
hintStyle: TextStyle(fontFamily: 'Inter',
|
|
fontSize: 17,
|
|
fontWeight: FontWeight.w400,
|
|
color: const Color(0xFF4B2E83).withOpacity(0.35),
|
|
),
|
|
counterText: '',
|
|
),
|
|
cursorColor: const Color(0xFF8B5CF6),
|
|
onChanged: (_) => setState(() {}),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildCodeInput() {
|
|
return Container(
|
|
height: 64,
|
|
decoration: BoxDecoration(
|
|
color: const Color(0x8CFFFFFF),
|
|
border: Border.all(color: const Color(0xCCFFFFFF)),
|
|
borderRadius: BorderRadius.circular(20),
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: const Color(0xFF8B5CF6).withOpacity(0.03),
|
|
offset: const Offset(0, 2),
|
|
blurRadius: 10,
|
|
),
|
|
],
|
|
),
|
|
padding: const EdgeInsets.symmetric(horizontal: 24),
|
|
child: Row(
|
|
children: [
|
|
// Input
|
|
Expanded(
|
|
child: TextField(
|
|
controller: _codeController,
|
|
keyboardType: TextInputType.number,
|
|
maxLength: 6,
|
|
style: TextStyle(fontFamily: 'Inter',
|
|
fontSize: 17,
|
|
fontWeight: FontWeight.w500,
|
|
color: const Color(0xFF1F2937),
|
|
),
|
|
decoration: InputDecoration(
|
|
border: InputBorder.none,
|
|
hintText: '输入验证码',
|
|
hintStyle: TextStyle(fontFamily: 'Inter',
|
|
fontSize: 17,
|
|
fontWeight: FontWeight.w400,
|
|
color: const Color(0xFF4B2E83).withOpacity(0.35),
|
|
),
|
|
counterText: '',
|
|
),
|
|
cursorColor: const Color(0xFF8B5CF6),
|
|
onChanged: (_) => setState(() {}),
|
|
),
|
|
),
|
|
// Send Button
|
|
Container(
|
|
padding: const EdgeInsets.only(left: 14),
|
|
margin: const EdgeInsets.only(left: 10),
|
|
decoration: const BoxDecoration(
|
|
border: Border(
|
|
left: BorderSide(color: Color(0x1A4B2E83), width: 1),
|
|
),
|
|
),
|
|
child: GestureDetector(
|
|
onTap: _countdown > 0 ? null : _sendCode,
|
|
child: Text(
|
|
_countdown > 0 ? '${_countdown}s' : '获取验证码',
|
|
style: TextStyle(fontFamily: 'Inter',
|
|
fontSize: 14,
|
|
fontWeight: FontWeight.w600,
|
|
color: _countdown > 0
|
|
? const Color(0xFF9CA3AF)
|
|
: const Color(0xFF6366F1),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildSmsSubmitButton() {
|
|
final bool enabled = _canSubmitSms && !_isSmsSubmitting;
|
|
|
|
return GestureDetector(
|
|
onTap: enabled ? _submitSmsLogin : null,
|
|
child: AnimatedOpacity(
|
|
duration: const Duration(milliseconds: 200),
|
|
opacity: enabled ? 1.0 : 0.6,
|
|
child: Container(
|
|
width: double.infinity,
|
|
height: 60,
|
|
decoration: BoxDecoration(
|
|
gradient: AppColors.btnPrimaryGradient,
|
|
borderRadius: BorderRadius.circular(30),
|
|
boxShadow: enabled
|
|
? [
|
|
BoxShadow(
|
|
color: const Color(0xFF6366F1).withOpacity(0.3),
|
|
offset: const Offset(0, 10),
|
|
blurRadius: 30,
|
|
),
|
|
]
|
|
: null,
|
|
),
|
|
alignment: Alignment.center,
|
|
child: _isSmsSubmitting
|
|
? const SizedBox(
|
|
width: 24,
|
|
height: 24,
|
|
child: CircularProgressIndicator(
|
|
color: Colors.white,
|
|
strokeWidth: 2.5,
|
|
),
|
|
)
|
|
: Text(
|
|
'立即登录',
|
|
style: TextStyle(fontFamily: 'Inter',
|
|
fontSize: 18,
|
|
fontWeight: FontWeight.w600,
|
|
color: Colors.white,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
// ========== Floating Mascot Widget ==========
|
|
class _FloatingMascot extends StatefulWidget {
|
|
@override
|
|
State<_FloatingMascot> createState() => _FloatingMascotState();
|
|
}
|
|
|
|
class _FloatingMascotState extends State<_FloatingMascot>
|
|
with SingleTickerProviderStateMixin {
|
|
late AnimationController _controller;
|
|
late Animation<double> _animation;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_controller = AnimationController(
|
|
duration: const Duration(seconds: 5),
|
|
vsync: this,
|
|
)..repeat(reverse: true);
|
|
|
|
_animation = Tween<double>(
|
|
begin: 0,
|
|
end: -15,
|
|
).animate(CurvedAnimation(parent: _controller, curve: Curves.easeInOut));
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_controller.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return AnimatedBuilder(
|
|
animation: _animation,
|
|
builder: (context, child) {
|
|
return Transform.translate(
|
|
offset: Offset(0, _animation.value),
|
|
child: child,
|
|
);
|
|
},
|
|
child: Container(
|
|
width: 220,
|
|
height: 220,
|
|
decoration: BoxDecoration(
|
|
boxShadow: [
|
|
BoxShadow(
|
|
color: const Color(0xFF8B5CF6).withOpacity(0.25),
|
|
offset: const Offset(0, 20),
|
|
blurRadius: 40,
|
|
),
|
|
],
|
|
),
|
|
child: Image.asset(
|
|
'assets/www/mascot.png',
|
|
width: 220,
|
|
height: 220,
|
|
fit: BoxFit.contain,
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|