Solucionados algunos bugs

android/Pictogram/app/build.gradle

@@ -3,10 +3,12 @@ apply plugin: 'com.android.application'
 android {
     signingConfigs {
         release_config {
+/*
             storeFile file('F:/Users/Fernando/GoogleDrive/tmp/keystore.jks')
             keyAlias 'default_key'
             keyPassword 'danoia'
             storePassword 'danoia'
+*/
         }
     }
     compileSdkVersion 21
@@ -23,7 +25,7 @@ android {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-            resValue "string", "server", "https://pre.yottacode.com:1337"
+            resValue "string", "server", "https://pre.yottacode.com"
             resValue "string", "db_name", "PCB.db"
             resValue "bool", "force_db_create", "false"
             resValue "bool", "ssl_connect", "false"
@@ -52,7 +54,7 @@ android {
             resValue "string", "server", "https://192.168.1.37:1337"
         }
         DefaultFlavor {
-            resValue "string", "server", "https://pre.yottacode.com:1337"
+            resValue "string", "server", "https://pre.yottacode.com"
             signingConfig signingConfigs.release_config
         }
         ArturoFlavorNoSSL {

android/Pictogram/app/src/main/java/com/yottacode/net/RestapiWrapper.java

@@ -177,16 +177,15 @@ public class RestapiWrapper {
             os.close();
             int responseCode=urlConnection.getResponseCode();
 
-            if (responseCode == HttpsURLConnection.HTTP_OK) {
+            Log.d(LOG_TAG, "RESPONSECODE: " + responseCode);
+
             String line;
-                BufferedReader br=new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));
+            BufferedReader br = new BufferedReader(new InputStreamReader(responseCode == HttpsURLConnection.HTTP_OK
+                                                                            ? urlConnection.getInputStream()
+                                                                            : urlConnection.getErrorStream()));
             while ((line=br.readLine()) != null) {
                 response+=line;
             }
-            }
-            else {
-                response="";
-            }
         } catch (IOException e) {
             Log.e(com.yottacode.net.RestapiWrapper.class.getName(), "Error:" + e.getLocalizedMessage() + " when asking for " + surl);
             response=e.getMessage();
@@ -228,6 +227,7 @@ public class RestapiWrapper {
         @Override
         protected void onPostExecute(HttpAsyncTaskParams params) {
             try {
+                //if (params.e)
                 if(params.result!=null) {
                     Log.d(LOG_TAG, "JSON: " + params.result);
 

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

@@ -183,17 +183,19 @@ public class SerialActivity extends Activity implements iRestapiListener {
                         String password = mSerialViewPass.getText().toString();
                         // DE PRUEBA
                         // Alumno
-                        //username = "faf0001";
-                        //password = "faf0001";
+                        username = "faf0001";
+                        password = "faf000";
                         // Supervisor
                         //username = "dofer@ujaen.es";
                         //password = "dofer";
 
+                        /*
                         SharedPreferences settings = getSharedPreferences(PREFS_NAME, 0);
                         SharedPreferences.Editor editor = settings.edit();
                         editor.putString("username", username);
                         editor.putString("password", password);
                         editor.commit();
+                        */
 
                         RestapiWrapper wrapper = PCBcontext.getRestapiWrapper();
                         if (username.contains("@")){
@@ -326,9 +328,11 @@ public class SerialActivity extends Activity implements iRestapiListener {
                     startActivity(loginActivity);
                 }
             } catch (JSONException ex){
+                //Log.d(LOG_TAG, "ERROR 1");
                 ex.printStackTrace();
             }
         } catch (JSONException e) {
+            //Log.d(LOG_TAG, "ERROR 2");
             e.printStackTrace();
         } catch (IOException e) {
             e.printStackTrace();
@@ -351,6 +355,3 @@ public class SerialActivity extends Activity implements iRestapiListener {
         alert.show();
     }
 }
\ No newline at end of file
-
-
-

android/Pictogram/app/src/main/res/layout/activity_pictogram.xml

@@ -25,6 +25,15 @@
         android:layout_alignParentTop="true">
     </GridView>
 
+    <ImageButton
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingLeft="850dp"
+        android:paddingTop="20dp"
+        android:src="@drawable/back64"
+        android:background="@null"
+        android:id="@+id/button_delete"
+        android:layout_alignParentTop="true"/>
 
     <ImageButton
         android:layout_width="wrap_content"