var pairedDevice = mBluetoothAdapter.bondedDevices
    deviceAdapter = DeviceAdapter(this,pairedDevice)
    bluetooth_listView.adapter = deviceAdapter
    layoutManager = LinearLayoutManager(this)
    bluetooth_listView.layoutManager = layoutManager

     mBroadcastReceiver = object : BroadcastReceiver() {
        override fun onReceive(context: Context?, intent: Intent?) {
                    val device = intent?.getParcelableExtra<BluetoothDevice>(BluetoothDevice.EXTRA_DEVICE)
                    pairedDevice.add(device)
            }
        }

BluetoothDevice selectedDevice = intent.getParcelableExtra(EXTRA_MESSAGE);