import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
private BluetoothAdapter adapter;
private BluetoothDevice device;
private BluetoothSocket socket;
private BluetoothAdapter adapter;
private BluetoothDevice device;
private BluetoothSocket socket;