Android Open Source - GeoNFC Device Information

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License

The source code is released under:
GNU General Public License
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Java Source Code

package com.nfc.geo.geonfc.deviceinfo;
/*  w w w.ja v a 2 s.c  o m*/
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
import java.util.Timer;
import java.util.TimerTask;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.BatteryManager;
import android.os.Bundle;
import android.telephony.TelephonyManager;

import com.nfc.geo.geonfc.MainActivity;
import com.nfc.geo.geonfc.database.InfoEntity;
import com.nfc.geo.geonfc.interfaces.DeviceInterface;
import com.nfc.geo.geonfc.interfaces.MainInterface;
import com.nfc.geo.geonfc.tcp.TCPConnection;

public class DeviceInformation implements DeviceInterface{

  private Location loc = null;
  private LocationManager locationManager = null;
  private LocationListener locationListener = null;
  private TCPConnection conn;

  //Timer e TimerTask por la actividad GPS 
  private Timer timer;
  private TimerTask timerTask;
  private MainInterface setTexts;

  private boolean sendFlag = false;

  public DeviceInformation(Activity activity)
  {
    conn = new TCPConnection(activity, this);
  }
  
  public DeviceInformation(Activity activity, MainActivity mainActivity)
  {
    conn = new TCPConnection(activity, this);
    
    setTexts = (MainInterface) mainActivity;
  }

  public Location getCurrentLocation()
  {
    return loc;    
  }

  public void sendGPSInfo()
  {
    timer = new Timer();
    timerTask = new TimerTask() {
      @Override
      public void run() {
        String aux = conn.buildData(1, null, null);
        conn.sendInfo(aux);
      }
    };
    timer.scheduleAtFixedRate(timerTask, 10000, 10000);
  }

  public void stopSendGPSInfo()
  {
    try {
      timer.cancel();
      timer.purge();
    } catch (Exception e) {
    }    
  }

  public Location getLastLocation()
  {
    if(locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER) != null)
      return locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
    else 
      return null;
  }

  public void startLocating(final Activity activity, final int delay)
  {
    String locManager = "";
    locManager = LocationManager.GPS_PROVIDER;

    locationManager = (LocationManager) activity.getSystemService(Context.LOCATION_SERVICE);

    if(locationListener == null)
      locationListener = new LocationListener() {
      public void onLocationChanged(Location location) {
        loc = location;        

        timer.cancel();
        timer.purge();

        handleGpsLoc(location);        
      }

      public void onStatusChanged(String provider, int status, Bundle extras) {}

      public void onProviderEnabled(String provider) {}

      public void onProviderDisabled(String provider) {}
    };

    if(locationListener != null)
      locationManager.requestLocationUpdates(locManager, delay, 0, locationListener);
  }

  public void handleGpsLoc(Location loc)
  {
    if(sendFlag)
    {
      setTexts.changeGPSText(loc);
      enviarData();
    }else{
      if(locationListener != null && locationManager != null)
      {
        locationManager.removeUpdates(locationListener);
        locationListener = null;
        locationManager = null;
      }

    }
  }

  public void stopLocating()
  {
    locationManager.removeUpdates(locationListener);
  }

  public boolean isSendFlag() {
    return sendFlag;
  }

  public void setSendFlag(boolean sendFlag) {
    this.sendFlag = sendFlag;
  }

  private void enviarData()
  {
    InfoEntity infEnti = new InfoEntity(null, getTimestamp(), loc.getLatitude(),loc.getLongitude(), 
        (loc.getAccuracy()/5), loc.getSpeed(), getNumSatt(),"GPS");
    conn.setInfEnti(infEnti);
    String aux = conn.buildData(1, null, infEnti);
    conn.sendInfo(aux);
  }

  public String getDeviceImei(Context ctx)
  {
    TelephonyManager manager = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
    return manager.getDeviceId();    
  }

  public String getSIMNum(Context ctx)
  {
    TelephonyManager manager = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
    return manager.getSimSerialNumber();    
  }

  public float getBatteryInfo(Context ctx)
  {
    IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    Intent batteryStatus = ctx.registerReceiver(null, ifilter);

    int level = batteryStatus.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);

    return level;
  }

  public String getTimestamp()
  {
    SimpleDateFormat s = new SimpleDateFormat("yyyyMMddHHmmss");
    s.setTimeZone(TimeZone.getTimeZone("UTC"));
    String format = s.format(new Date());
    return format;    
  }

  public int getNumSatt()
  {    
    return locationManager.getGpsStatus(null).getMaxSatellites();
  }

}
Java Source Code List
