diff --git a/src/app/ScreenManager.cpp b/src/app/ScreenManager.cpp
index 2e495b4..496856e 100644
--- a/src/app/ScreenManager.cpp
+++ b/src/app/ScreenManager.cpp
@@ -1,6 +1,6 @@
 #include "ScreenManager.h"
 
-ScreenManager::ScreenManager(Adafruit_SSD1306 &display) : _displayRef(display)
+ScreenManager::ScreenManager(Adafruit_SSD1306 &display) : _displayRef(display), _displayInverted(false), _displayDimmed(false), _currentView(NULL)
 {  
   _viewLinkedList = (ViewLinkedList) createEmptyList();
 }
@@ -113,4 +113,56 @@ void ScreenManager::iterateThroughList()
   }
 }
 
+ViewLink* ScreenManager::getLinkByUID(ViewLinkedList viewLinkedList, const unsigned char UID)
+{
+  if(isListEmpty(viewLinkedList))
+    return NULL;
+
+  while(!isListEmpty(viewLinkedList))
+  {
+    if(viewLinkedList->UID == UID)return viewLinkedList;
+    viewLinkedList = viewLinkedList->next;
+  }
+
+  return NULL;
+}
+
+boolean ScreenManager::displayView(const int UID)
+{
+  if(UID == -1 && _currentView == NO_CURRENT_VIEW)
+  {
+    //We display an error message on the screen
+    return false;
+  }
+  else if(UID == -1)
+    return (*_currentView->viewLogicFunction)(_displayRef, _currentView->pData);
+  
+  ViewLink *viewLink = getLinkByUID(_viewLinkedList, UID);
+  if(viewLink == NULL)
+  {
+    //We display an error message on the screen
+    return false;
+  }else if(viewLink->viewLogicFunction == NULL)
+  {
+    //We display an error message on the screen
+    return false;
+  }
+  
+  _currentView = viewLink;
+  
+  return (*viewLink->viewLogicFunction)(_displayRef, viewLink->pData);
+}
+
+void ScreenManager::invertDisplay(boolean inverted)
+{
+  _displayRef.invertDisplay(inverted);
+  _displayInverted = inverted;
+}
+
+void ScreenManager::dimDisplay(boolean dimmed)
+{
+  _displayRef.dim(dimmed);
+  _displayDimmed = dimmed;
+}
+
 
diff --git a/src/app/ScreenManager.h b/src/app/ScreenManager.h
index 39282e1..805ff9e 100644
--- a/src/app/ScreenManager.h
+++ b/src/app/ScreenManager.h
@@ -9,7 +9,14 @@ class ScreenManager
   public:
     boolean addView(boolean (*viewLogicFunction)(Adafruit_SSD1306&, void*), void *pData, const unsigned char UID);
     boolean removeView(const unsigned char UID);
+    boolean displayView(const int UID = -1);
+    void invertDisplay(boolean inverted);
+    void dimDisplay(boolean dimmed);
+    
     unsigned char getError() const;
+    boolean isDisplayInverted() const;
+    boolean isDisplayDimmed() const;
+    ViewLink* getCurrentView() const;
 
     
     void iterateThroughList();
@@ -20,11 +27,15 @@ class ScreenManager
     void *createEmptyList();
     boolean addNewLinkAtTheEnd(ViewLinkedList *viewLinkedList, ViewLink viewLink);
     boolean removeLinkByUID(ViewLinkedList *viewLinkedList, const unsigned char UID);
+    ViewLink* getLinkByUID(ViewLinkedList viewLinkedList, const unsigned char UID);
     boolean isListEmpty(ViewLinkedList viewLinkedList);
     
     Adafruit_SSD1306 &_displayRef;
     ViewLinkedList _viewLinkedList;
     unsigned char _error;
+    boolean _displayInverted;
+    boolean _displayDimmed;
+    ViewLink* _currentView;
 };
 
 #endif //SCREENMANAGER_H
diff --git a/src/app/app.ino b/src/app/app.ino
index 4c9be3a..e5bcb98 100644
--- a/src/app/app.ino
+++ b/src/app/app.ino
@@ -6,29 +6,26 @@
 
 SAB sab;
 
+int i = 42;
+
 void setup() {
   // put your setup code here, to run once:
   Serial.println("Starting");
-  sab.getScreenManager().addView(&(view_1), NULL,9);
-  sab.getScreenManager().addView(&(view_1), NULL, 3);
-  sab.getScreenManager().addView(&(view_1), NULL, 6);
+  sab.getScreenManager().addView(&(view_1), &i,1);
+  sab.getScreenManager().addView(&(view_2), NULL, 2);
+  /*sab.getScreenManager().addView(&(view_1), NULL, 6);
   sab.getScreenManager().addView(&(view_1), NULL, 7);
-  sab.getScreenManager().iterateThroughList();
+  sab.getScreenManager().iterateThroughList();*/
   Serial.println("fin");
 }
 
 void loop() {
-  sab.getScreenManager().addView(&(view_1), NULL, 7);
-  Serial.println(ESP.getFreeHeap());
-  sab.getScreenManager().addView(&(view_1), NULL, 3);
-  Serial.println(ESP.getFreeHeap());
-  sab.getScreenManager().addView(&(view_1), NULL, 6);
-  Serial.println(ESP.getFreeHeap());
-  sab.getScreenManager().removeView(6);
-  Serial.println(ESP.getFreeHeap());
-  sab.getScreenManager().removeView(7);
-  Serial.println(ESP.getFreeHeap());
-  sab.getScreenManager().removeView(3);
-  Serial.println(ESP.getFreeHeap());
+  sab.getScreenManager().iterateThroughList();
+  sab.getScreenManager().displayView(2);
+  sab.getScreenManager().displayView(LAST_VIEW);
+  sab.getScreenManager().displayView(3);
+  sab.getScreenManager().displayView(1);
+  sab.getScreenManager().displayView(LAST_VIEW);
+  Serial.print("Free memory : ");Serial.println(ESP.getFreeHeap());
   delay(3000);
 }
diff --git a/src/app/definition.h b/src/app/definition.h
index 2d56a70..512d79c 100644
--- a/src/app/definition.h
+++ b/src/app/definition.h
@@ -24,6 +24,9 @@ typedef enum {  GPIO_0 = 0,
 
 #define MALLOC_ERR   B00000001
 
+#define NO_CURRENT_VIEW NULL
+#define LAST_VIEW -1
+
 //Data structure for the view handling
 typedef struct viewLink{
   boolean (*viewLogicFunction)(Adafruit_SSD1306&, void*);
diff --git a/src/app/views.cpp b/src/app/views.cpp
index fbf1368..d9b3c2d 100644
--- a/src/app/views.cpp
+++ b/src/app/views.cpp
@@ -2,6 +2,12 @@
 
 boolean view_1(Adafruit_SSD1306 &display, void *pData)
 {
-  display.clearDisplay();
+  int *i = (int *) pData;
+  Serial.print("Value : ");Serial.println(*i);
+}
+
+boolean view_2(Adafruit_SSD1306 &display, void *pData)
+{
+  Serial.println("Salut ma gueule");
 }
 
diff --git a/src/app/views.h b/src/app/views.h
index 9788f57..2b2c21c 100644
--- a/src/app/views.h
+++ b/src/app/views.h
@@ -4,4 +4,6 @@
 
 boolean view_1(Adafruit_SSD1306 &display, void *pData);
 
+boolean view_2(Adafruit_SSD1306 &display, void *pData);
+
 #endif //VIEWS_H