104 lines
3.4 KiB
Dart
104 lines
3.4 KiB
Dart
import 'package:flutter/material.dart';
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import '../main.dart';
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import 'home_screen.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final _serverCtrl = TextEditingController(text: 'http://192.168.1.100:3000');
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final _tokenCtrl = TextEditingController();
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bool _loading = false;
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String? _error;
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Future<void> _connect() async {
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setState(() { _loading = true; _error = null; });
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final url = _serverCtrl.text.trim();
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final token = _tokenCtrl.text.trim();
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try {
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apiService.configure(url, '');
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final valid = await apiService.verifyToken(token);
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if (!valid) {
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setState(() { _error = '令牌无效'; _loading = false; });
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return;
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}
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apiService.configure(url, token);
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await settings.setServerUrl(url);
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await settings.setToken(token);
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await apiService.registerDevice('Android');
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if (mounted) {
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Navigator.of(context).pushReplacement(
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MaterialPageRoute(builder: (_) => HomeScreen()),
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);
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}
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} catch (e) {
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setState(() => _error = e.toString().replaceFirst('Exception: ', ''));
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}
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setState(() => _loading = false);
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}
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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return Scaffold(
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body: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 400),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(Icons.sms_outlined, size: 64, color: colors.primary),
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const SizedBox(height: 16),
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Text('SMS Monitor', style: Theme.of(context).textTheme.headlineMedium),
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const SizedBox(height: 32),
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TextField(
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controller: _serverCtrl,
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decoration: const InputDecoration(
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labelText: '服务器地址',
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hintText: 'http://服务器IP:3000',
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prefixIcon: Icon(Icons.dns_outlined),
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border: OutlineInputBorder(),
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),
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),
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const SizedBox(height: 16),
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TextField(
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controller: _tokenCtrl,
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obscureText: true,
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decoration: const InputDecoration(
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labelText: '访问令牌',
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prefixIcon: Icon(Icons.key),
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border: OutlineInputBorder(),
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),
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onSubmitted: (_) => _connect(),
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),
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if (_error != null) ...[
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const SizedBox(height: 12),
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Text(_error!, style: TextStyle(color: colors.error)),
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],
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const SizedBox(height: 24),
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SizedBox(
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width: double.infinity,
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child: FilledButton(
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onPressed: _loading ? null : _connect,
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child: _loading
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? const SizedBox(height: 20, width: 20, child: CircularProgressIndicator(strokeWidth: 2))
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: const Text('连接'),
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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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