Added list of legal users (stu & sup) only on the view.

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

 package com.yottacode.pictogram.tabletlibrary.gui;
 
 import android.app.Activity;
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.Window;
+import android.view.WindowManager;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
 import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.ListView;
 
 import com.yottacode.pictogram.dao.UserLogin;
 import com.yottacode.pictogram.tabletlibrary.R;
@@ -21,6 +27,8 @@ import com.yottacode.pictogram.tools.PCBcontext;
  */
 public  class SerialActivity extends Activity   {
 
+    private boolean keyboard = false;
+
     public static final String PREFS_NAME = "MyPrefsFile";
     // String constant for logs
     private final String LOG_TAG = this.getClass().getSimpleName(); // Or .getCanonicalName()
@@ -45,6 +53,7 @@ public  class SerialActivity extends Activity   {
         }
         return new String[]{username,password};
     }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -52,7 +61,8 @@ public  class SerialActivity extends Activity   {
         requestWindowFeature(Window.FEATURE_NO_TITLE);
         setContentView(R.layout.activity_serial);
 
-
+        //Keyboard off
+        this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
 
         final EditText mSerialViewMail = (EditText) findViewById(R.id.serialmail);
         final EditText mSerialViewPass = (EditText) findViewById(R.id.serialpass);
@@ -64,9 +74,30 @@ public  class SerialActivity extends Activity   {
         // Escribo el último valor indicado de username
         mSerialViewMail.setText(username);
         mSerialViewPass.setText(password);
+/****************************************************************/
+        final LinearLayout stuList = (LinearLayout) findViewById(R.id.layStu);
+        final LinearLayout supList = (LinearLayout) findViewById(R.id.laySup);
+        final InputMethodManager imm = (InputMethodManager) this.getSystemService(Context.INPUT_METHOD_SERVICE);
+
+        mSerialViewMail.setOnClickListener(new OnClickListener() {
+            public void onClick(View v) {
+                Log.i("TAG_KEYBOARD","nombre clickado");
+                if(imm.isActive()){
+                    stuList.setVisibility(View.INVISIBLE);
+                    supList.setVisibility(View.INVISIBLE);
+                }else{
+                    stuList.setVisibility(View.VISIBLE);
+                    supList.setVisibility(View.VISIBLE);
+                }
+            }
+        });
 
-
-
+        mSerialViewPass.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                Log.i("TAG_KEYBOARD","passw clickado");
+            }
+        });
+/*****************************************************************/
         // Escribo el último valor indicado de username
         mSerialViewMail.setText(username);
         if (!username.equals("") && !password.equals("") && !getIntent().getBooleanExtra("resetPrevUser", true))      new UserLogin().login(username, password,SerialActivity.this, PictogramActivity.class, LoginActivity.class);

android/Pictogram/tabletlibrary/src/main/res/layout/activity_serial.xml

@@ -72,7 +72,8 @@
         android:layout_width="400px"
         android:layout_alignParentBottom="true"
         android:layout_alignStart="@+id/entrar_button"
-        android:layout_marginStart="270dp">
+        android:layout_marginStart="270dp"
+        android:id="@+id/laySup">
 
         <TextView
             android:layout_width="match_parent"
@@ -81,7 +82,8 @@
             tools:text="Supervisores"
             android:text="@string/supervisores"
             android:textAppearance="@style/TextAppearance.AppCompat"
-            android:textAlignment="center" />
+            android:textAlignment="center"
+            android:textSize="18sp" />
 
         <ListView
             android:layout_width="match_parent"
@@ -96,7 +98,8 @@
         android:background="@color/darkred"
         android:layout_width="400px"
         android:layout_alignParentBottom="true"
-        android:layout_alignParentStart="true">
+        android:layout_alignParentStart="true"
+        android:id="@+id/layStu">
 
         <TextView
             android:layout_width="match_parent"
@@ -105,7 +108,8 @@
             tools:text="Alumnos"
             android:text="@string/alumnos"
             android:textAppearance="@style/TextAppearance.AppCompat"
-            android:textAlignment="center" />
+            android:textAlignment="center"
+            android:textSize="18sp" />
 
         <ListView
             android:layout_width="match_parent"