method fpr connecting and disconnecting device

Connect_disconnect_device.kt

private fun connectToDevice(arguments: String, result: MethodChannel.Result) {
        val toConnectDevice = JSONObject(arguments)
        var device: BluetoothDevice? = null
        if (deviceFoundList.isNotEmpty()) {
            deviceBondedList.addAll(deviceFoundList)
        }
        if(deviceBondedList.isNotEmpty()) {
            for (btDevice in deviceBondedList) {
                if(toConnectDevice.getString("address").equals(btDevice.address, ignoreCase = true)) {
                    device = btDevice
                    break
                }
            }
        }

        try {
            socket = device?.createRfcommSocketToServiceRecord(UUID.fromString(device.uuids[0].uuid.toString()))
            socket?.connect()
            result.success(true)
        } catch (e: IOException) {
            e.printStackTrace()
            socket?.close()
            result.success(false)
        }
    }

    private fun disconnectSocket(result: MethodChannel.Result) {
        BluetoothAdapter.getDefaultAdapter().cancelDiscovery()
        socket?.close()?.also {
            result.success(true)
        }
    }