Android Open Source - PolarHeartRateApplication Connect Thread

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Back to project page PolarHeartRateApplication.

License

The source code is released under:

MIT License

Java Source Code

package org.marco45.polarheartmonitor;
/*from   w w  w  .j av a  2 s. c  o m*/
import java.io.IOException;
import java.util.UUID;

import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.util.Log;

/**
 * This thread to the connection with the bluetooth device
 * @author Marco
 *
 */
public class ConnectThread extends Thread {
  BluetoothAdapter mBluetoothAdapter;
  private final BluetoothSocket mmSocket;
  MainActivity ac;
  public ConnectThread(BluetoothDevice device, MainActivity ac) {
    // Use a temporary object that is later assigned to mmSocket,
    // because mmSocket is final
    this.ac=ac;
    BluetoothSocket tmp = null;
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    // Get a BluetoothSocket to connect with the given BluetoothDevice
    try {
      // MY_UUID is the app's UUID string, also used by the server code
      UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
      tmp = device.createRfcommSocketToServiceRecord(MY_UUID);
    } catch (IOException e) { }
    mmSocket = tmp;

  }

  public void run() {
    // Cancel discovery because it will slow down the connection
    // mBluetoothAdapter.cancelDiscovery();
    int ok =0;
    while(ok<2)
      try {
        // Connect the device through the socket. This will block
        // until it succeeds or throws an exception
        if(mmSocket.isConnected())
          mmSocket.close();
        mmSocket.connect();
        ok=5;
      } catch (IOException connectException) {
        // Unable to connect; close the socket and get out
        if (ok==0)// try 2 times
          ok++;
        else{
          ac.connectionError();
          Log.d("Error Bluetooth",connectException.toString());

          try {
            mmSocket.close();
          } catch (IOException closeException) { }
          return;
        }
      }

    // Do work to manage the connection (in a separate thread)
    while (true){
      try {
        DataHandler.getInstance().acqui(mmSocket.getInputStream().read());
      } catch (IOException e) {
        ac.connectionError();
        Log.d("Error Bluetooth",e.toString());

        try {
          mmSocket.getInputStream().close();
          mmSocket.close();
        } catch (IOException closeException) { }
        return;
      }
    }
  }

  /** Will cancel an in-progress connection, and close the socket */
  public void cancel() {

    try {
      if(mmSocket!=null && mmSocket.isConnected())
        mmSocket.close();
    } catch (IOException e) { }
  }
}

Java Source Code List

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