c70d5d4be6
- 新增管理员角色(手机号12345678910)，管理员可增删医生、查看患者 - 注册页重构：去掉角色选择+审核码，改为选医生+填姓名 - 医生端点按DoctorId过滤患者，Patient↔Doctor关系建立 - Doctor/DoctorProfile/User实体新增关联字段 - JSON循环引用修复(IgnoreCycles) - /api/doctors改为公开接口 - 登录闪屏修复+原生Android启动页 - 输入框全局白底+灰框 - 蓝牙重连同步修复 - Web端(doctor_web+health_app/web)全部删除 - 全局UI改版：白底企业风，新配色和组件系统 - 新品牌图标和启动图
542 lines
16 KiB
Dart
542 lines
16 KiB
Dart
import 'dart:async';
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import 'dart:io' show Platform;
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import 'package:flutter/material.dart';
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import 'package:flutter_blue_plus/flutter_blue_plus.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:permission_handler/permission_handler.dart';
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import '../../core/app_colors.dart';
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import '../../core/navigation_provider.dart';
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import '../../providers/auth_provider.dart';
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import '../../providers/omron_device_provider.dart';
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import '../../services/omron_ble_service.dart';
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class DeviceScanPage extends ConsumerStatefulWidget {
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const DeviceScanPage({super.key});
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@override
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ConsumerState<DeviceScanPage> createState() => _DeviceScanPageState();
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}
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class _DeviceScanPageState extends ConsumerState<DeviceScanPage>
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with SingleTickerProviderStateMixin {
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final _results = <ScanResult>[];
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bool _scanning = false;
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String? _connectingId;
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StreamSubscription? _scanSub;
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bool _connected = false;
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String _deviceName = '';
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bool _readingReceived = false;
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int? _systolic, _diastolic, _pulse;
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StreamSubscription? _readingSub;
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StreamSubscription? _bleConnSub;
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late AnimationController _pulseCtrl;
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late Animation<double> _pulseAnim;
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@override
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void initState() {
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super.initState();
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_pulseCtrl = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 1200),
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);
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_pulseAnim = Tween(
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begin: 0.8,
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end: 1.4,
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).animate(CurvedAnimation(parent: _pulseCtrl, curve: Curves.easeInOut));
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_pulseCtrl.repeat(reverse: true);
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_scanSub = FlutterBluePlus.scanResults.listen((list) {
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if (!mounted) return;
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final bpList = list.where((r) => OmronBleService.isBpDevice(r)).toList();
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setState(() {
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_results.clear();
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_results.addAll(bpList);
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});
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});
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_start();
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}
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@override
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void dispose() {
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_pulseCtrl.dispose();
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_scanSub?.cancel();
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_readingSub?.cancel();
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_bleConnSub?.cancel();
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FlutterBluePlus.stopScan();
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super.dispose();
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}
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Future<void> _start() async {
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setState(() {
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_scanning = true;
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_connected = false;
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});
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_results.clear();
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await [Permission.bluetoothScan, Permission.bluetoothConnect].request();
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if (Platform.isAndroid) {
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final locStatus = await Permission.locationWhenInUse.serviceStatus;
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if (locStatus != ServiceStatus.enabled && mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('请先打开GPS定位，否则无法扫描蓝牙'),
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backgroundColor: AppColors.warning,
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),
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);
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}
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}
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final adapterState = await FlutterBluePlus.adapterState.first;
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if (adapterState != BluetoothAdapterState.on) {
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try {
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await FlutterBluePlus.turnOn();
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} catch (_) {}
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}
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try {
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await FlutterBluePlus.stopScan();
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} catch (_) {}
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await FlutterBluePlus.startScan(
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timeout: const Duration(seconds: 30),
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androidScanMode: AndroidScanMode.lowLatency,
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);
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Future.delayed(const Duration(seconds: 30), () {
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FlutterBluePlus.stopScan();
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if (mounted) setState(() => _scanning = false);
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});
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}
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Future<void> _connect(ScanResult r) async {
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setState(() => _connectingId = r.device.remoteId.toString());
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FlutterBluePlus.stopScan();
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_scanSub?.cancel();
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try {
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final ble = ref.read(omronBleServiceProvider);
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await ble.connect(r.device);
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final name = r.advertisementData.localName.isNotEmpty
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? r.advertisementData.localName
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: (r.device.platformName.isNotEmpty ? r.device.platformName : '血压计');
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await ref
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.read(omronDeviceProvider.notifier)
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.bind(r.device.remoteId.toString(), name);
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_bleConnSub = r.device.connectionState.listen((s) {
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if (s == BluetoothConnectionState.disconnected && mounted) {
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_readingSub?.cancel();
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ref.read(omronBleServiceProvider).disconnect();
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if (_readingReceived) {
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popRoute(ref);
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} else {
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setState(() {
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_connected = false;
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});
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_start();
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}
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}
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});
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_readingSub = ble.readings.listen((reading) async {
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debugPrint('[PAGE] 收到: ${reading.systolic}/${reading.diastolic}');
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if (mounted) {
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setState(() {
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_readingReceived = true;
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_systolic = reading.systolic;
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_diastolic = reading.diastolic;
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_pulse = reading.pulse;
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});
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try {
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await ref
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.read(apiClientProvider)
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.post('/api/health-records', data: reading.toHealthRecord());
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await ref.read(omronDeviceProvider.notifier).onReading(reading);
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} catch (e) {
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debugPrint('[PAGE] 上报失败: $e');
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}
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Future.delayed(const Duration(milliseconds: 1500), () {
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if (mounted) popRoute(ref);
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});
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}
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});
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if (mounted) {
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setState(() {
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_connected = true;
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_deviceName = name;
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_connectingId = null;
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_readingReceived = false;
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});
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('连接失败: $e'), backgroundColor: AppColors.error),
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);
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_start();
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}
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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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backgroundColor: Colors.white,
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appBar: AppBar(
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backgroundColor: Colors.white,
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elevation: 0,
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title: Text(
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_connected ? _deviceName : '添加设备',
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style: const TextStyle(color: AppColors.textPrimary),
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),
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leading: IconButton(
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icon: const Icon(Icons.arrow_back, color: AppColors.textPrimary),
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onPressed: () {
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if (_connected) ref.read(omronBleServiceProvider).disconnect();
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popRoute(ref);
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},
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),
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),
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body: _connected ? _buildConnected() : _buildScan(),
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);
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}
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// ── 扫描视图 ──
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Widget _buildScan() => Column(
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children: [
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if (_scanning && _results.isEmpty)
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Expanded(child: _buildScanningCenter()),
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if (!_scanning && _results.isEmpty)
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Expanded(child: _buildScanningCenter()),
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if (_results.isNotEmpty)
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Expanded(
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child: ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _results.length,
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itemBuilder: (_, i) => _buildTile(_results[i]),
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),
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),
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if (!_scanning)
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Padding(
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padding: const EdgeInsets.all(16),
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child: SizedBox(
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width: double.infinity,
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child: OutlinedButton.icon(
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onPressed: _start,
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icon: const Icon(Icons.refresh),
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label: const Text('重新扫描'),
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style: OutlinedButton.styleFrom(
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foregroundColor: AppColors.primary,
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side: const BorderSide(color: AppColors.border),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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padding: const EdgeInsets.symmetric(vertical: 14),
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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 _buildScanningCenter() => Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Stack(
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alignment: Alignment.center,
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children: [
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AnimatedBuilder(
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animation: _pulseAnim,
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builder: (_, child) => Container(
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width: 80 * _pulseAnim.value,
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height: 80 * _pulseAnim.value,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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color: AppColors.primary.withValues(alpha: 0.08),
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),
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),
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),
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Container(
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width: 64,
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height: 64,
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decoration: BoxDecoration(
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color: AppColors.avatarBg,
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borderRadius: BorderRadius.circular(20),
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),
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child: const Icon(
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Icons.bluetooth_searching,
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size: 32,
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color: AppColors.primary,
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),
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),
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],
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),
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const SizedBox(height: 20),
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Text(
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_scanning ? '正在搜索蓝牙设备...' : '未发现设备',
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style: const TextStyle(fontSize: 16, color: AppColors.textHint),
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),
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const SizedBox(height: 8),
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Text(
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_scanning ? '请确保血压计处于通信模式' : '点击下方按钮重新搜索',
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style: const TextStyle(fontSize: 13, color: Color(0xFFCCCCCC)),
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),
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],
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),
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);
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// ── 已连接视图 ──
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Widget _buildConnected() => Center(
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child: Padding(
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padding: const EdgeInsets.all(32),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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AnimatedContainer(
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duration: const Duration(milliseconds: 500),
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width: 100,
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height: 100,
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decoration: BoxDecoration(
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color: _readingReceived
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? AppColors.successLight
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: AppColors.avatarBg,
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borderRadius: BorderRadius.circular(32),
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),
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child: Icon(
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_readingReceived
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? Icons.check_rounded
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: Icons.bluetooth_connected,
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size: 48,
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color: _readingReceived
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? const Color(0xFF10B981)
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: AppColors.primary,
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),
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),
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const SizedBox(height: 24),
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Text(
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_readingReceived ? '测量完成' : '设备已连接',
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style: const TextStyle(
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fontSize: 22,
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fontWeight: FontWeight.w700,
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color: AppColors.textPrimary,
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),
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),
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const SizedBox(height: 8),
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if (_readingReceived) ...[
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Row(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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Text(
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'$_systolic',
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style: const TextStyle(
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fontSize: 56,
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fontWeight: FontWeight.w800,
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color: AppColors.textPrimary,
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height: 1,
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),
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),
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Padding(
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padding: const EdgeInsets.only(bottom: 10),
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child: Text(
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'/',
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style: TextStyle(
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fontSize: 24,
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color: AppColors.textHint.withValues(alpha: 0.5),
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),
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),
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),
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Text(
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'$_diastolic',
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style: const TextStyle(
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fontSize: 56,
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fontWeight: FontWeight.w800,
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color: AppColors.textPrimary,
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height: 1,
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),
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),
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const SizedBox(width: 8),
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Padding(
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padding: const EdgeInsets.only(bottom: 12),
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child: Text(
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'mmHg',
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style: TextStyle(fontSize: 15, color: AppColors.textHint),
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),
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),
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],
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),
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if (_pulse != null)
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Padding(
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padding: const EdgeInsets.only(top: 8),
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 14,
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vertical: 6,
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),
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decoration: BoxDecoration(
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color: AppColors.infoLight,
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borderRadius: BorderRadius.circular(20),
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),
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child: Text(
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'脉搏 $_pulse bpm',
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style: const TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w500,
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color: AppColors.primary,
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),
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),
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),
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),
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const SizedBox(height: 16),
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const Text(
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'数据已自动同步',
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style: TextStyle(fontSize: 14, color: AppColors.textHint),
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),
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const SizedBox(height: 8),
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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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color: AppColors.primary,
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),
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),
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] else ...[
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const Text(
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'请按下血压计的开始键进行测量',
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style: TextStyle(fontSize: 15, color: AppColors.textHint),
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),
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const SizedBox(height: 32),
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AnimatedBuilder(
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animation: _pulseAnim,
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builder: (_, __) => Container(
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width: 48,
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height: 48,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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border: Border.all(
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color: AppColors.primary.withValues(alpha: 0.3),
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width: 2,
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),
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),
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child: Center(
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child: Transform.scale(
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scale: _pulseAnim.value,
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child: Container(
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width: 12,
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height: 12,
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decoration: const BoxDecoration(
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shape: BoxShape.circle,
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color: AppColors.primary,
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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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// ── 设备列表项 ──
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Widget _buildTile(ScanResult r) {
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final isConnecting = _connectingId == r.device.remoteId.toString();
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final name = r.advertisementData.localName.isNotEmpty
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? r.advertisementData.localName
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: (r.device.platformName.isNotEmpty ? r.device.platformName : '未知设备');
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return Container(
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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border: Border.all(color: AppColors.border),
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boxShadow: AppColors.cardShadowLight,
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),
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child: Row(
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children: [
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Container(
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width: 44,
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height: 44,
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decoration: BoxDecoration(
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color: AppColors.avatarBg,
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borderRadius: BorderRadius.circular(12),
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),
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child: const Icon(
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Icons.bluetooth,
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size: 22,
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color: AppColors.primary,
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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name,
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style: const TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: AppColors.textPrimary,
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),
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),
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const SizedBox(height: 2),
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Text(
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'${r.device.remoteId} · 信号: ${_rssiLabel(r.rssi)}',
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style: const TextStyle(
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fontSize: 12,
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color: AppColors.textHint,
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),
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),
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],
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),
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),
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if (isConnecting)
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const SizedBox(
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width: 24,
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height: 24,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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else
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GestureDetector(
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onTap: () => _connect(r),
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child: Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 20,
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vertical: 10,
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),
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decoration: BoxDecoration(
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color: AppColors.primary,
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borderRadius: BorderRadius.circular(12),
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),
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child: const Text(
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'连接',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w600,
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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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String _rssiLabel(int r) {
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if (r > -55) return '强';
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if (r > -70) return '中';
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return '弱';
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}
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}
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