public void showAlertGPS() {
    if (!gps.isGPSActived()) {
      AlertDialog.Builder builder = new AlertDialog.Builder(SplashScreenActivity.this);
      builder.setTitle("Alert");
      String message = "";
      message = "Your GPS is turn off! Please turn on your GPS for the best location!";
      builder
          .setMessage(message)
          .setCancelable(false)
          .setPositiveButton(
              "Yes",
              new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                  /*LoginManager.getInstance().logOut();*/
                  Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                  startActivityForResult(intent, 1);
                }
              })
          .setNegativeButton(
              "No",
              new DialogInterface.OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                  toNextScreen();
                }
              });
      builder.create().show();
    } else {
      toNextScreen();
    }
  }
 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent data) {
   super.onActivityResult(requestCode, resultCode, data);
   /*//if (resultCode == 1) {
       switch (requestCode) {
           case 1:
               Log.e("test", "go to next screen here");
               break;
           default:
               Log.e("test", "stay here");
               break;
       }
   //}*/
   if (!gps.isGPSActived()) {
     showAlertGPS();
   } else {
     toNextScreen();
   }
 }