SensorService.java :  » App » speakerproximity » net » androcom » dev » speakerproximity » Android Open Source

/****
 * Created by Michel Racic (http://www.2030.tk)
 * 
 * This is the service that starts the magic
 */
package net.androcom.dev.speakerproximity;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.IBinder;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;

public class SensorService extends Service {
  private static Context      ctx;
  private static TelephonyManager  telephony;
  private MyPhoneStateListener  phoneListener;

  @Override
  public void onStart(Intent intent, int startId) {
    /** Acquire the applications context to work with **/
    ctx = getApplicationContext();
    /** check if listener object exists and create it if not **/
    if (phoneListener == null) {
      phoneListener = new MyPhoneStateListener(ctx, this);
    }
    /** check if TelephonyManager object exists and create it if not **/
    if (telephony == null) {
      telephony = (TelephonyManager) ctx
          .getSystemService(Context.TELEPHONY_SERVICE);
    }
    /**
     * register our phonestatelistener to the systems TelephonyManager class
     **/
    telephony.listen(phoneListener, PhoneStateListener.LISTEN_CALL_STATE);
  }

  @Override
  public IBinder onBind(Intent intent) {
    // we don't need binding for now
    return null;
  }
}