import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
//import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
//import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;