import android.bluetooth.BluetoothSocket;
import android.content.Intent;import android.view.View;import android.widget.Button;import android.widget.SeekBar;import android.widget.TextView;import android.widget.Toast;import android.app.ProgressDialog;import android.bluetooth.BluetoothAdapter;import android.bluetooth.BluetoothDevice;import android.os.AsyncTask;import java.io.IOException;import java.util.UUID;