working on issue #470

android/Pictogram/app/src/main/java/com/yottacode/pictogram/grammar/Vocabulary.java

@@ -147,7 +147,6 @@ public class Vocabulary implements Iterable<Picto>  {
 
             @Override
             public void result(JSONArray result) {
-
                 if (result != null) {
                     final String jpicto = "picto";
                     final String jid = "id";

android/Pictogram/app/src/main/java/com/yottacode/pictogram/gui/SerialActivity.java

@@ -251,7 +251,7 @@ public class SerialActivity extends Activity   {
             @Override
             public void error(Exception e) {
               progressDialog.dismiss();
-              GUITools.show_alert(PCBcontext.getContext(), R.string.serverError, e.getMessage());
+              GUITools.show_alert(SerialActivity.this, R.string.serverError, e.getMessage());
               Log.e(this.getClass().getCanonicalName(), "Server error:"+ e.getLocalizedMessage());
             }
         });

android/Pictogram/app/src/main/java/com/yottacode/pictogram/net/NetService.java

@@ -129,6 +129,7 @@ public class NetService implements Runnable {
             public void result(JSONObject result) {
 
               if (!updated) {
+                    updated = true;
                     // Comprobar si hay usuario offline, para hacer login transparente
                     if (PCBcontext.is_user_offline()){
                         login();
@@ -137,7 +138,6 @@ public class NetService implements Runnable {
                         PCBcontext.getRoom().reconnect();
                         PCBcontext.getVocabulary().synchronize();
                         PCBcontext.getActionLog().batch();
-                        updated = true;
                     }
                 }
                 Log.i(this.getClass().getName(), "PCB status checked. Updated? " + updated);