Android Open Source - GeoNFC G P S Pestana

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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;
//from w w  w.  ja v a2  s.c o  m
import java.io.IOException;
import java.util.ArrayList;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.nfc.geo.geonfc.deviceinfo.DeviceInformation;
import com.nfc.geo.geonfc.interfaces.MainInterface;
import com.nfc.geo.geonfc.tcp.EnviarDatos;
import com.nfc.geo.geonfc.utils.FileHandler;

public class GPSPestana extends Fragment{

  private Button save,activar_gps;
  private EditText delay;
  private TextView frecuencia;
  private SharedPreferences settings;
  private ArrayList<String> fileIdioma;
  private String[] textos_botons;
  private FileHandler fileHandler;
  private MainInterface mainInt;
  private EnviarDatos conn;
  private DeviceInformation di;

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View vi = inflater.inflate(R.layout.pestana_gps, null);

    frecuencia = (TextView) vi.findViewById(R.id.frecuencia);
    save = (Button) vi.findViewById(R.id.save_settings);    
    activar_gps = (Button) vi.findViewById(R.id.activar_gps);
    delay = (EditText) vi.findViewById(R.id.delay_text);

    fileHandler = new FileHandler();
    fileIdioma = new ArrayList<String>();
    textos_botons =  new String [3];

    di = new DeviceInformation(getActivity(),(MainActivity) getFragmentManager().findFragmentByTag("main"));
    settings = getActivity().getSharedPreferences("gps_status", 0);
    mainInt = (MainInterface) getFragmentManager().findFragmentByTag("main");

    delay.setEnabled(false);
    save.setEnabled(false);

    save.setOnClickListener(new OnClickListener() {      
      @Override
      public void onClick(View v) {
        SharedPreferences.Editor editor = settings.edit();
        int delayTime = Integer.parseInt(delay.getText().toString());
        editor.putInt("delay_gps", delayTime*1000);
        editor.apply();
        editor.commit();
      }
    });

    activar_gps.setOnClickListener(new OnClickListener() {      
      @Override
      public void onClick(View v) {

        if(!checkGPS())
          ;//Enviar mensage a indicar que lo GPS de movil no esta activado

        if(!di.isSendFlag())
        {
          String aux = ""+di.getDeviceImei(getActivity()) + ",ALL,"+di.getTimestamp();
          String activarString = "$AN"+aux.length()+","+aux+",\r\n";      
          conn = new EnviarDatos(activarString);

          try {
            new Thread(conn).start();

            String res = "";

            int i=0;
            while((res = conn.getResponse()).isEmpty() && i < 1000000)
              i++;

            Log.i("DATOS_GPS", "Response:"+res);

            if(res.equals("True"))
            {
              enableGPSSend(true);

              delay.setEnabled(true);
              save.setEnabled(true);
            }

            if(res != null)
              showAlertDialog(res);
          } catch (Exception e) {
            noConexion();
          }          
        }else{
          enableGPSSend(false);
        }
      }
    });


    /*
     * Cambio de los textos de acuerdo con los idiomas en lo fichero de config.ini
     * */    
    try {
      fileIdioma = fileHandler.readFile(getActivity().getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS).getCanonicalPath());

      if(fileIdioma.size() > 5)
      {
        textos_botons[0]= fileIdioma.get(13).split(" = ")[1];
        textos_botons[1]= fileIdioma.get(14).split(" = ")[1];
        textos_botons[2]= fileIdioma.get(16).split(" = ")[1];

        activar_gps.setText(""+textos_botons[0]);
        frecuencia.setText(""+textos_botons[1]);
        save.setText(""+textos_botons[2]);
      }
    } catch (IOException e) {
      //Do nothing
    }

    return vi;
  }

  public void showAlertDialog(String response)
  {
    final AlertDialog alert = new AlertDialog.Builder(getActivity()).create();
    alert.setTitle("GPS Transmisin");
    alert.setButton(AlertDialog.BUTTON_POSITIVE, "Ok", new DialogInterface.OnClickListener() {      
      @Override
      public void onClick(DialogInterface dialog, int which) {
        alert.dismiss();
      }
    });
    if(response.equals("True"))
      alert.setMessage("Transmisin GPS habilitda.");
    else
      alert.setMessage("Ninguna transmisin GPS iniciada.");

    alert.show();

  }

  public void enableGPSSend(boolean status)
  {
    if(status)
    {
      int delayTime = Integer.parseInt(delay.getText().toString()) * 1000;

      if(delayTime != 0)
      {
        di.startLocating(getActivity(),delayTime);
        di.sendGPSInfo();
        activar_gps.setText("Desactivar GPS");
        di.setSendFlag(true);  
        mainInt.changeGPSText("Latitud:0.0\nLongitud:0.0");
      }            
    }else{      
      activar_gps.setText("Activar GPS");
      di.stopSendGPSInfo();
      di.setSendFlag(false);
    }
  }

  private void noConexion(){
    final AlertDialog alertDialog = new AlertDialog.Builder(getActivity()).create();
    alertDialog.setTitle("Erro en lo servidor o no GPRS conexin disponible!");
    alertDialog.setMessage("Activa tu GPRS conexin se no estaba activada!");
    alertDialog.setButton("Ok", new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int which) {
        alertDialog.dismiss();
      } });
    alertDialog.show();
  }

  private boolean checkGPS()
  {
    LocationManager locationManager =
        (LocationManager) getActivity().getSystemService(Context.LOCATION_SERVICE);
    final boolean gpsEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);

    return gpsEnabled;
  }
}
Java Source Code List
