619 lines
23 KiB
Dart
Executable File
619 lines
23 KiB
Dart
Executable File
import 'dart:async';
|
||
import 'dart:io';
|
||
|
||
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
|
||
import 'package:flutter_bugly_plugin/flutter_bugly_plugin.dart';
|
||
import 'package:flutter_easyloading/flutter_easyloading.dart';
|
||
import 'package:get/get.dart';
|
||
import 'package:star_lock/app_settings/app_settings.dart';
|
||
import 'package:star_lock/tools/commonDataManage.dart';
|
||
|
||
import 'io_tool/io_model.dart';
|
||
import 'io_tool/io_tool.dart';
|
||
import 'io_tool/manager_event_bus.dart';
|
||
import 'reciver_data.dart';
|
||
|
||
//连接状态回调
|
||
typedef ConnectStateCallBack = Function(
|
||
BluetoothConnectionState connectionState);
|
||
typedef ScanDevicesCallBack = Function(List<ScanResult>);
|
||
|
||
class BlueManage {
|
||
factory BlueManage() => shareManager()!;
|
||
|
||
BlueManage._init() {
|
||
_initBlue();
|
||
}
|
||
|
||
final List<ScanResult> scanDevices = <ScanResult>[];
|
||
|
||
// 用来写入的服务id
|
||
final Guid _serviceIdConnect = Guid('fff0');
|
||
|
||
// 用来写入的服务id
|
||
final Guid _serviceIdWrite = Guid('0000FFF0-0000-1000-8000-00805F9B34FB');
|
||
|
||
// 用来订阅的特征id
|
||
final Guid _characteristicIdSubscription = Guid('fff1');
|
||
|
||
// 用来写入的特征id
|
||
final Guid _characteristicIdWrite = Guid('fff2');
|
||
|
||
// 监听发送事件
|
||
StreamSubscription<EventSendModel>? _sendStreamSubscription;
|
||
|
||
StreamSubscription<BluetoothConnectionState>? _connectionStateSubscription;
|
||
|
||
StreamSubscription<int>? _mtuSubscription;
|
||
int? _mtuSize = 20;
|
||
|
||
// 当前连接设备的名字
|
||
String connectDeviceName = '';
|
||
|
||
// 当前连接设备的mac地址
|
||
String connectDeviceMacAddress = '';
|
||
|
||
// 当前连接的设备
|
||
BluetoothDevice? bluetoothConnectDevice;
|
||
|
||
// 当前扫描到结果要连接设备
|
||
ScanResult? scanResult;
|
||
|
||
// 监听蓝牙连接状态
|
||
BluetoothConnectionState? bluetoothConnectionState =
|
||
BluetoothConnectionState.disconnected;
|
||
|
||
BluetoothAdapterState? _adapterState = BluetoothAdapterState.on;
|
||
StreamSubscription<BluetoothAdapterState>? _adapterStateStateSubscription;
|
||
|
||
// 听上报来的数据,参数来自前面扫描到的结果
|
||
List<int> allData = <int>[];
|
||
|
||
// 保存上一次的数据，用来判断是否收到重复的数据
|
||
List<int> lastTimeData = <int>[];
|
||
int? dataLen;
|
||
Timer? scanSingleTimer;
|
||
|
||
static BlueManage? _manager;
|
||
|
||
static BlueManage? shareManager() {
|
||
_manager ??= BlueManage._init();
|
||
// _manager!._initBlue();
|
||
return _manager;
|
||
}
|
||
|
||
BlueManage? get manager => shareManager();
|
||
|
||
void _initBlue() {
|
||
FlutterBluePlus.setLogLevel(LogLevel.error, color: true);
|
||
_initSendStreamSubscription();
|
||
_initAdapterStateStateSubscription();
|
||
}
|
||
|
||
void _initGetMtuSubscription() {
|
||
_mtuSubscription ??= bluetoothConnectDevice!.mtu.listen((int value) {
|
||
_mtuSize = value - 3;
|
||
AppLog.log('_mtuSizeValue:$value mtuSize:$_mtuSize');
|
||
});
|
||
}
|
||
|
||
void _initAdapterStateStateSubscription() {
|
||
_adapterStateStateSubscription ??=
|
||
FlutterBluePlus.adapterState.listen((BluetoothAdapterState state) {
|
||
AppLog.log('蓝牙状态:$state');
|
||
_adapterState = state;
|
||
});
|
||
}
|
||
|
||
void _initListenConnectionState() {
|
||
_connectionStateSubscription?.cancel();
|
||
_connectionStateSubscription = null;
|
||
|
||
_connectionStateSubscription = bluetoothConnectDevice!.connectionState
|
||
.listen((BluetoothConnectionState state) async {
|
||
bluetoothConnectionState = state;
|
||
AppLog.log('蓝牙连接回调状态:$state');
|
||
});
|
||
}
|
||
|
||
void _initSendStreamSubscription() {
|
||
_sendStreamSubscription ??= EventBusManager()
|
||
.eventBus!
|
||
.on<EventSendModel>()
|
||
.listen((EventSendModel model) {
|
||
if (model.sendChannel == DataChannel.ble) {
|
||
FlutterBluePlus.isSupported.then((bool isAvailable) async {
|
||
if (isAvailable) {
|
||
if (_adapterState == BluetoothAdapterState.on) {
|
||
// 蓝牙已开启，可以进行蓝牙操作
|
||
writeCharacteristicWithResponse(model.data);
|
||
} else {
|
||
try {} catch (e) {
|
||
AppLog.log('蓝牙打开失败');
|
||
}
|
||
}
|
||
} else {
|
||
AppLog.log('写入数据 蓝牙不可用，不能进行蓝牙操作');
|
||
}
|
||
});
|
||
}
|
||
});
|
||
}
|
||
|
||
/// 开始指定设备名称的扫描蓝牙设备
|
||
Future<void> startScanSingle(String deviceName, int timeout,
|
||
ScanDevicesCallBack scanDevicesCallBack) async {
|
||
final DateTime start = DateTime.now();
|
||
FlutterBluePlus.isSupported.then((bool isAvailable) async {
|
||
if (isAvailable) {
|
||
// AppLog.log('startScanSingle 蓝牙状态 系统蓝牙状态：$_adapterState 蓝牙连接状态：$bluetoothConnectionState');
|
||
if (_adapterState == BluetoothAdapterState.on) {
|
||
try {
|
||
//android 扫描比较慢，取样只要 3 分之一
|
||
final int divisor = Platform.isAndroid ? 3 : 1;
|
||
FlutterBluePlus.startScan(
|
||
continuousDivisor: divisor,
|
||
continuousUpdates: true,
|
||
withKeywords: <String>[deviceName],
|
||
timeout: Duration(seconds: timeout));
|
||
final Completer<dynamic> completer = Completer<dynamic>();
|
||
final StreamSubscription<List<ScanResult>> subscription =
|
||
FlutterBluePlus.scanResults.listen((List<ScanResult> results) {
|
||
final bool isExit = results.any((ScanResult element) =>
|
||
(element.device.platformName == deviceName) ||
|
||
(element.advertisementData.advName == deviceName));
|
||
final int milliseconds = DateTime.now().millisecondsSinceEpoch -
|
||
start.millisecondsSinceEpoch;
|
||
AppLog.log(
|
||
'扫描到的设备数:${results.length} 是否查找到 $isExit 以查找$milliseconds毫秒');
|
||
if (isExit) {
|
||
for (final ScanResult scanResult in results) {
|
||
if (((scanResult.advertisementData.serviceUuids.isNotEmpty
|
||
? scanResult.advertisementData.serviceUuids[0]
|
||
: '')
|
||
.toString()
|
||
.contains('758824')) &&
|
||
(scanResult.rssi >= -100)) {
|
||
// 查询id相同的元素
|
||
final int knownDeviceIndex = scanDevices.indexWhere(
|
||
(ScanResult d) =>
|
||
(d.device.platformName ==
|
||
scanResult.device.platformName) ||
|
||
(d.advertisementData.advName ==
|
||
scanResult.advertisementData.advName));
|
||
// 不存在的时候返回-1
|
||
if (knownDeviceIndex >= 0) {
|
||
scanDevices[knownDeviceIndex] = scanResult;
|
||
} else {
|
||
scanDevices.add(scanResult);
|
||
}
|
||
}
|
||
}
|
||
|
||
completer.complete();
|
||
}
|
||
}, onError: (e) {
|
||
AppLog.log(
|
||
'扫描失败:$e',
|
||
);
|
||
});
|
||
FlutterBluePlus.cancelWhenScanComplete(subscription);
|
||
await completer.future;
|
||
scanDevicesCallBack(scanDevices);
|
||
subscription.cancel();
|
||
} catch (e) {
|
||
AppLog.log('扫描失败');
|
||
}
|
||
} else {
|
||
try {
|
||
if (Platform.isAndroid) {
|
||
await FlutterBluePlus.turnOn();
|
||
}
|
||
} catch (e) {
|
||
AppLog.log('蓝牙打开失败');
|
||
}
|
||
}
|
||
} else {
|
||
AppLog.log('开始扫描 蓝牙不可用，不能进行蓝牙操作');
|
||
}
|
||
});
|
||
}
|
||
|
||
/// 开始扫描蓝牙设备
|
||
Future<void> startScan(int timeout, ScanDevicesCallBack scanDevicesCallBack,
|
||
{List<Guid>? idList}) async {
|
||
FlutterBluePlus.isSupported.then((bool isAvailable) async {
|
||
if (isAvailable) {
|
||
// AppLog.log('startScan 蓝牙状态 系统蓝牙状态：$_adapterState 蓝牙连接状态：$bluetoothConnectionState');
|
||
if (_adapterState == BluetoothAdapterState.on) {
|
||
try {
|
||
FlutterBluePlus.startScan(timeout: Duration(seconds: timeout));
|
||
final StreamSubscription<List<ScanResult>> subscription = FlutterBluePlus.scanResults.listen((List<ScanResult> results) {
|
||
scanDevices.clear();
|
||
for (final ScanResult scanResult in results) {
|
||
// AppLog.log('扫描到的设备：${scanResult.device.platformName} ${scanResult.advertisementData.advName} ${scanResult.rssi}');
|
||
// 判断名字为空的直接剔除
|
||
if (((scanResult.advertisementData.serviceUuids.isNotEmpty
|
||
? scanResult.advertisementData.serviceUuids[0]
|
||
: '')
|
||
.toString()
|
||
.contains('758824')) &&
|
||
(scanResult.rssi >= -100)) {
|
||
// 查询id相同的元素
|
||
final int knownDeviceIndex = scanDevices.indexWhere(
|
||
(ScanResult d) =>
|
||
(d.device.platformName ==
|
||
scanResult.device.platformName) ||
|
||
(d.advertisementData.advName ==
|
||
scanResult.advertisementData.advName));
|
||
// 不存在的时候返回-1
|
||
if (knownDeviceIndex >= 0) {
|
||
scanDevices[knownDeviceIndex] = scanResult;
|
||
} else {
|
||
scanDevices.add(scanResult);
|
||
}
|
||
}
|
||
}
|
||
scanDevicesCallBack(scanDevices);
|
||
}, onError: (e) {
|
||
AppLog.log(
|
||
'扫描失败:$e',
|
||
);
|
||
});
|
||
|
||
FlutterBluePlus.cancelWhenScanComplete(subscription);
|
||
} catch (e) {
|
||
AppLog.log('扫描失败');
|
||
}
|
||
} else {
|
||
try {
|
||
if (Platform.isAndroid) {
|
||
await FlutterBluePlus.turnOn();
|
||
}
|
||
} catch (e) {
|
||
AppLog.log('蓝牙打开失败');
|
||
}
|
||
}
|
||
} else {
|
||
AppLog.log('开始扫描 蓝牙不可用，不能进行蓝牙操作');
|
||
}
|
||
});
|
||
}
|
||
|
||
/// 调用发送数据 List senderData,
|
||
Future<void> blueSendData(
|
||
String deviceName, ConnectStateCallBack stateCallBack,
|
||
{bool isAddEquipment = false}) async {
|
||
FlutterBluePlus.isSupported.then((bool isAvailable) async {
|
||
if (isAvailable) {
|
||
// AppLog.log('蓝牙状态 系统蓝牙状态：$_adapterState 蓝牙连接状态：$bluetoothConnectionState');
|
||
if (_adapterState == BluetoothAdapterState.on) {
|
||
// 蓝牙已开启，可以进行蓝牙操作
|
||
if (bluetoothConnectionState != BluetoothConnectionState.connected) {
|
||
_connect(deviceName, (BluetoothConnectionState state) {
|
||
stateCallBack(bluetoothConnectionState!);
|
||
}, isAddEquipment: isAddEquipment);
|
||
} else {
|
||
stateCallBack(bluetoothConnectionState!);
|
||
}
|
||
} else {
|
||
try {
|
||
stateCallBack(BluetoothConnectionState.disconnected);
|
||
openBlue();
|
||
} catch (e) {
|
||
AppLog.log('蓝牙打开失败');
|
||
}
|
||
}
|
||
} else {
|
||
FlutterBuglyPlugin.reportException(exceptionName: 'blueSendData isAvailable状态', reason: 'blueSendData isAvailable不可用');
|
||
AppLog.log('开始扫描 蓝牙不可用，不能进行蓝牙操作');
|
||
}
|
||
});
|
||
}
|
||
|
||
/// 连接
|
||
Future<void> _connect(
|
||
String deviceName, ConnectStateCallBack connectStateCallBack,
|
||
{bool isAddEquipment = false}) async {
|
||
connectDeviceName = deviceName;
|
||
final List<ScanResult> devicesList = scanDevices;
|
||
final bool isExistDevice = isExistScanDevices(connectDeviceName);
|
||
final bool isCurrentDevice =
|
||
CommonDataManage().currentKeyInfo.lockName == deviceName;
|
||
final String? mac = CommonDataManage().currentKeyInfo.mac;
|
||
|
||
AppLog.log('开始连接 是否存在缓存：$isExistDevice 是否是当前设备：$isCurrentDevice mac：$mac');
|
||
if (GetPlatform.isAndroid &&
|
||
!isExistDevice &&
|
||
isCurrentDevice &&
|
||
mac != null) {
|
||
scanSingleTimer?.cancel();
|
||
//兼容android 的低配手机
|
||
await doNotSearchBLE(mac, connectStateCallBack,
|
||
isAddEquipment: isAddEquipment);
|
||
scanSingleTimer = Timer(3.seconds, () {
|
||
scanSingleTimer?.cancel();
|
||
startScanSingle(deviceName, 15, (List<ScanResult> scanDevices) => null);
|
||
});
|
||
} else if (isAddEquipment == false && isExistDevice == false) {
|
||
//取消缓存直接使用，存在配对场景设备信息会更变
|
||
// AppLog.log('无存在设备需要扫描 deviceName:$deviceName isAddEquipment:$isAddEquipment');
|
||
startScanSingle(deviceName, 15, (List<ScanResult> scanDevices) {
|
||
_connectDevice(scanDevices, deviceName, connectStateCallBack,
|
||
isAddEquipment: isAddEquipment);
|
||
});
|
||
} else {
|
||
// AppLog.log('安卓或者iOS 存在设备不需要扫描 deviceName:$deviceName isAddEquipment:$isAddEquipment');
|
||
_connectDevice(devicesList, deviceName, connectStateCallBack,
|
||
isAddEquipment: isAddEquipment);
|
||
}
|
||
}
|
||
|
||
//查找缓存里面是否有设备
|
||
bool isExistScanDevices(String connectDeviceName) {
|
||
final bool isExistDevice = scanDevices.any((ScanResult element) =>
|
||
element.device.platformName == connectDeviceName ||
|
||
element.advertisementData.advName == connectDeviceName);
|
||
return isExistDevice;
|
||
}
|
||
|
||
Future<void> _connectDevice(
|
||
List<ScanResult> devicesList,
|
||
String deviceName,
|
||
ConnectStateCallBack connectStateCallBack,
|
||
{
|
||
bool isAddEquipment = false,// 是否是添加设备之前
|
||
bool isReconnect = true,// 是否是重连
|
||
}) async {
|
||
// 判断数组列表里面是否有这个设备
|
||
// AppLog.log("devicesList:$devicesList");
|
||
final int knownDeviceIndex = devicesList.indexWhere((ScanResult d) =>
|
||
(d.device.platformName == deviceName) ||
|
||
(d.advertisementData.advName == deviceName));
|
||
|
||
ScanResult? scanResult; //使用局部变量防止出现缓存
|
||
if (knownDeviceIndex >= 0) {
|
||
// 存在的时候赋值
|
||
connectDeviceMacAddress =
|
||
devicesList[knownDeviceIndex].advertisementData.advName.isNotEmpty
|
||
? devicesList[knownDeviceIndex].advertisementData.advName
|
||
: devicesList[knownDeviceIndex].device.platformName;
|
||
|
||
bluetoothConnectDevice = devicesList[knownDeviceIndex].device;
|
||
scanResult = devicesList[knownDeviceIndex];
|
||
// AppLog.log('bluetoothConnectDevice: $bluetoothConnectDevice scanResult:$scanResult');
|
||
|
||
_initGetMtuSubscription();
|
||
_initListenConnectionState();
|
||
}
|
||
if (scanResult == null || connectDeviceMacAddress.isEmpty) {
|
||
return;
|
||
}
|
||
AppLog.log('调用了停止扫描的方法');
|
||
await stopScan();
|
||
|
||
if ((scanResult.advertisementData.serviceUuids[0].toString()[31] == '0') && isAddEquipment == false) {
|
||
// 添加这个判断是因为有些苹果设备或者安卓等性能比较好的设备时，添加完锁之后，锁板未改变为已添加状态之前，就进行了蓝牙连接，导致添加完锁就失败，这里进行了判断，如果第一次连接失败，就清除缓存重新扫描连接
|
||
if(isReconnect == true){
|
||
AppLog.log('该锁已被重置, 重新发送扫描命令');
|
||
scanDevices.clear();
|
||
startScanSingle(deviceName, 15, (List<ScanResult> scanDevices) {
|
||
_connectDevice(scanDevices, deviceName, connectStateCallBack, isAddEquipment: isAddEquipment, isReconnect: false);
|
||
});
|
||
}else{
|
||
connectStateCallBack(BluetoothConnectionState.disconnected);
|
||
EasyLoading.showToast('该锁已被重置'.tr, duration: 2000.milliseconds);
|
||
scanDevices.clear();
|
||
}
|
||
return;
|
||
}
|
||
//尝试连接设备
|
||
await bluetoothDeviceConnect(bluetoothConnectDevice!, connectStateCallBack);
|
||
}
|
||
|
||
//直接给蓝牙设备写入
|
||
Future<void> doNotSearchBLE(
|
||
String masAdds, ConnectStateCallBack connectStateCallBack,
|
||
{bool isAddEquipment = false}) async {
|
||
await FlutterBluePlus.stopScan();
|
||
if (bluetoothConnectDevice == null ||
|
||
bluetoothConnectDevice?.remoteId.str != masAdds) {
|
||
bluetoothConnectDevice = BluetoothDevice.fromId(masAdds);
|
||
_initGetMtuSubscription();
|
||
_initListenConnectionState();
|
||
}
|
||
//尝试连接设备
|
||
await bluetoothDeviceConnect(bluetoothConnectDevice!, connectStateCallBack,
|
||
isAddEquipment: isAddEquipment);
|
||
}
|
||
|
||
//设备连接
|
||
Future<void> bluetoothDeviceConnect(BluetoothDevice bluetoothConnectDevice,
|
||
ConnectStateCallBack connectStateCallBack,
|
||
{bool isAddEquipment = false}) async {
|
||
// 重连三次
|
||
const int maxAttempts = 3;
|
||
int attempt = 0;
|
||
while (attempt < maxAttempts) {
|
||
try {
|
||
await bluetoothConnectDevice.connect(timeout: 5.seconds);
|
||
break; // If the connection is successful, break the loop
|
||
} catch (e) {
|
||
AppLog.log('连接失败 重连了: $e');
|
||
attempt++; // Increase the attempt count
|
||
if (attempt < maxAttempts) {
|
||
AppLog.log('重新尝试连接...');
|
||
}
|
||
}
|
||
}
|
||
|
||
if (attempt >= maxAttempts) {
|
||
AppLog.log('$maxAttempts次后尝试连接失败');
|
||
connectStateCallBack(BluetoothConnectionState.disconnected);
|
||
}
|
||
|
||
if (bluetoothConnectionState == BluetoothConnectionState.connected) {
|
||
try {
|
||
final List<BluetoothService> services =
|
||
await bluetoothConnectDevice.discoverServices();
|
||
//循环判断服务
|
||
for (final BluetoothService service in services) {
|
||
if (service.uuid == _serviceIdConnect) {
|
||
for (final BluetoothCharacteristic characteristic in service.characteristics) {
|
||
if (characteristic.characteristicUuid == _characteristicIdSubscription) {
|
||
_subScribeToCharacteristic(characteristic);
|
||
bluetoothConnectionState = BluetoothConnectionState.connected;
|
||
connectStateCallBack(bluetoothConnectionState!);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
} on Exception catch (e) {
|
||
bluetoothConnectionState = BluetoothConnectionState.disconnected;
|
||
connectStateCallBack(bluetoothConnectionState!);
|
||
AppLog.log(
|
||
'发现设备时失败 e:$e bluetoothConnectionState:$bluetoothConnectionState');
|
||
rethrow;
|
||
}
|
||
}
|
||
}
|
||
|
||
Future<void> _subScribeToCharacteristic(
|
||
BluetoothCharacteristic characteristic) async {
|
||
final StreamSubscription<List<int>> subscription =
|
||
characteristic.onValueReceived.listen((List<int> data) {
|
||
AppLog.log('订阅获取的数据： $data ');
|
||
if (data == lastTimeData || data.isEmpty) {
|
||
return;
|
||
} else {
|
||
lastTimeData = data;
|
||
}
|
||
final bool dataHeadCorrect = isDataHeadCorrect(data);
|
||
final bool allDataHeadCorrect = isDataHeadCorrect(allData);
|
||
if (dataHeadCorrect && allDataHeadCorrect) {
|
||
//缓存数据和新数据都有包头，直接放弃缓存数据
|
||
allData = <int>[];
|
||
}
|
||
if (dataHeadCorrect) {
|
||
// 当包有头时
|
||
// 判断是否需要分包
|
||
dataLen = data[8] * 256 + data[9]; // 高16位用来指示后面数据块内容的长度
|
||
if (dataLen! + 14 > data.length) {
|
||
// 当前包的长度小于实际的包时 分包添加 不解析
|
||
allData.addAll(data);
|
||
} else {
|
||
// 当前包的长度小于实际的包时 不分包 解析
|
||
allData.addAll(data);
|
||
CommandReciverManager.appDataReceive(allData);
|
||
// 发送完解析初始化数组
|
||
allData = <int>[];
|
||
}
|
||
} else if (allDataHeadCorrect) {
|
||
// 当包没有头时 是分包的包 直接添加
|
||
allData.addAll(data);
|
||
if (((dataLen ?? 0) + 14) <= allData.length) {
|
||
// 当长度小于等于当前包的数据时 直接解析数据
|
||
CommandReciverManager.appDataReceive(allData);
|
||
// 发送完解析初始化数组
|
||
allData = <int>[];
|
||
}
|
||
}
|
||
});
|
||
bluetoothConnectDevice!.cancelWhenDisconnected(subscription);
|
||
await characteristic.setNotifyValue(true);
|
||
}
|
||
|
||
//判断数据头是否正确
|
||
bool isDataHeadCorrect(List<int> data) {
|
||
if (data.length < 4) {
|
||
return false;
|
||
}
|
||
//239, 1, 238, 2, 是数据包头
|
||
if ((data[0] == 0xEF) &&
|
||
(data[1] == 0x01) &&
|
||
(data[2] == 0xEE) &&
|
||
(data[3] == 0x02)) {
|
||
return true;
|
||
} else {
|
||
return false;
|
||
}
|
||
}
|
||
|
||
// 写入
|
||
Future<void> writeCharacteristicWithResponse(List<int> value) async {
|
||
final List<BluetoothService> services =
|
||
await bluetoothConnectDevice!.discoverServices();
|
||
for (final BluetoothService service in services) {
|
||
if (service.uuid == _serviceIdConnect) {
|
||
for (final BluetoothCharacteristic characteristic
|
||
in service.characteristics) {
|
||
if (characteristic.characteristicUuid == _characteristicIdWrite) {
|
||
try {
|
||
final List<int> valueList = value;
|
||
final List subData = splitList(valueList, _mtuSize!);
|
||
// AppLog.log('writeCharacteristicWithResponse _mtuSize:$_mtuSize 得到的分割数据:$subData');
|
||
for (int i = 0; i < subData.length; i++) {
|
||
if (characteristic.properties.writeWithoutResponse) {
|
||
// 使用WRITE_NO_RESPONSE属性写入值
|
||
await characteristic.write(subData[i], withoutResponse: true);
|
||
} else if (characteristic.properties.write) {
|
||
// 使用WRITE属性写入值
|
||
await characteristic.write(subData[i]);
|
||
} else {
|
||
// 特性不支持写入
|
||
throw Exception(
|
||
'This characteristic does not support writing.');
|
||
}
|
||
}
|
||
} on Exception catch (e, s) {
|
||
AppLog.log('APP写入失败: $e $s');
|
||
rethrow;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 停止扫描蓝牙设备
|
||
Future<void> stopScan() async {
|
||
try {
|
||
await FlutterBluePlus.stopScan();
|
||
} catch (e) {
|
||
AppLog.log('停止扫描失败');
|
||
}
|
||
}
|
||
|
||
// 断开连接
|
||
Future<void> disconnect() async {
|
||
try {
|
||
connectDeviceMacAddress = '';
|
||
if (bluetoothConnectionState == BluetoothConnectionState.connected) {
|
||
//加快蓝牙断连
|
||
await bluetoothConnectDevice!.disconnect(timeout: 3);
|
||
AppLog.log('断开连接成功');
|
||
}
|
||
} on Exception catch (e, _) {
|
||
AppLog.log('断开连接失败: $e');
|
||
} finally {
|
||
bluetoothConnectionState = BluetoothConnectionState.disconnected;
|
||
}
|
||
}
|
||
|
||
Future<void> openBlue() async {
|
||
if (Platform.isAndroid) {
|
||
await FlutterBluePlus.turnOn();
|
||
}
|
||
if (Platform.isIOS) {
|
||
EasyLoading.showToast('请开启蓝牙'.tr, duration: 2000.milliseconds);
|
||
}
|
||
}
|
||
|
||
void disposed() {
|
||
_sendStreamSubscription?.cancel();
|
||
_mtuSubscription!.cancel();
|
||
_adapterStateStateSubscription!.cancel();
|
||
_connectionStateSubscription!.cancel();
|
||
}
|
||
}
|