The doc tells meabout thisgetUuids()function but when going through the doc forAndroid BluetoothI end up having aBluetoothAdapterbut I need aBluetoothDeviceto execute this function. So I need to know the following: 1) Is the function returning really the deviceUUID? Because the name saids ...
Using reflection you can invoke the hidden method getUuids() on the BluetoothAdater: BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter(); Method getUuidsMethod = BluetoothAdapter.class.getDeclaredMethod("getUuids", null); ParcelUuid[] uuids = (ParcelUuid[]) getUuidsMethod.invoke(ad...
Write, DeviceIoControl). The UUID/GUID for general-purpose devices are published by the creators of the driver. If your device is supported by anin-box (built into Windows) driver, then the UUID/GUID will
Returns the supported features (UUIDs) of the remote device. [Android.Runtime.Register("getUuids", "()[Landroid/os/ParcelUuid;", "")] [Android.Runtime.RequiresPermission("android.permission.BLUETOOTH_CONNECT")] public Android.OS.ParcelUuid[]? GetUuids (); Returns ParcelUuid[] the ...
在使用BluetoothDevice.getUuid()方法时,有两种情况会导致返回null的情况: 设备未配对:当设备未与手机或其他蓝牙设备进行配对时,该设备的UUID将不可用,因此getUuid()方法将返回null。 设备配对但UUID未知:在某些情况下,即使设备已经配对,但是由于设备的UUID未知,getUuid()方法同样会返回null。
GetDeviceSelectorForBluetoothDeviceIdAndUuid(BluetoothDeviceId, Guid) 從BluetoothDeviceId 和 serviceUuid 建立適當的 AQS 篩選字串,以搭配CreateWatcher方法使用。 GetDeviceSelectorForBluetoothDeviceIdAndUuid(BluetoothDeviceId, Guid, BluetoothCacheMode)
我现在遇到同样的问题了，也是链接快捷打印机，楼主解决吗？我怎么知道我当前连着打印机的~
BluetoothPhy BluetoothPhyOption BluetoothProfile BluetoothServerSocket BluetoothSocket BluetoothStatusCodes BluetoothTransports Bond ChannelMode CodecType CurrentBluetoothStatusCodes DeviceClass GattConnectionPriority GattDescriptorPermission GattFormat GattPermission ...
UUID 对应的已连接设备列表 属性类型描述 name String 蓝牙设备名称,某些设备可能没有 deviceName String 蓝牙设备名称,某些设备可能没有。此值是为了兼容旧版本,值与 name 一致 localName String 广播设备名称 deviceId String 蓝牙设备 ID RSSI Number 当前蓝牙设备的信号强度,单位 dBm advertisData String 当前蓝牙...
deviceId String - 是 蓝牙设备 ID。该 deviceId 对应的蓝牙设备需要已经通过 my.connectBLEDevice 建立连接 serviceId String - 是 蓝牙服务的 UUID。可调用 my.getBLEDeviceServices 获取 success Function - 否 调用成功的回调函数 fail Function - 否 调用失败的回调函数 complete Function - 否 调用结束的回调...