HarmonyOS 鸿蒙Next 蓝牙场景下，对端设备断链，本端未监听到回调

HarmonyOS 鸿蒙Next 蓝牙场景下，对端设备断链，本端未监听到回调

蓝牙对端设备主动断开连接，"BLEConnectionStateChange"监听未收到回调。
if (!this.clientDevice) {
Logger.error(TAG, `创建device失败`)
return
}
// 连接GattServer服务
this.clientDevice.connect();
// 订阅连接状态改变事件
this.clientDevice.on("BLEConnectionStateChange", this.onConnectionStateChange)


this.clientDevice.on("BLECharacteristicChange", this.onCharacteristicChange)

this.clientDevice.on("BLEMtuChange", bleGattService.onMtuChange)


// 获取gattServer设备名称
this.clientDevice.getDeviceName((err: BusinessError, data: string) => {
emitBleLog('getDeviceName success, deviceName = ' + JSON.stringify(data));
})

}


/**
* 系统蓝牙状态变化回调
* @param data
*/
private onConnectionStateChange(data: ble.BLEConnectionChangeState){
bleState.connectionState = data.state
switch (data.state){
case constant.ProfileConnectionState.STATE_DISCONNECTED:

emitBleLog("bluetooth connection statues: 断开连接");
bleGattService.close()
break;
case constant.ProfileConnectionState.STATE_CONNECTING:
emitBleLog("bluetooth connection statues: 正在连接");
break;
case constant.ProfileConnectionState.STATE_CONNECTED:
bleState.isPhysicalBleConnected = true
emitBleLog("bluetooth connection statues: 已连接");

// setTimeout(async ()=>{


if (bleGattService.clientDevice) {
// 获取server的services信息
bleGattService.clientDevice.getServices(bleGattService.gattServicesCallback)
// 读取信号强度
//todo:当前会报错，待解决
// bleGattService.clientDevice.getRssiValue((err, cbRssi) => {
// emitBleLog('return code = ' + JSON.stringify(err) + ', RSSI = ' + JSON.stringify(cbRssi))
// });
//
// bleGattService.requestMtu(0)
}

// }, 1000)


break;
case constant.ProfileConnectionState.STATE_DISCONNECTING:
emitBleLog("bluetooth connection statues: 正在断开连接");
break;
}
}