fix the controller

controller.py

@@ -22,28 +22,32 @@ def start(self):
     def navigate_to_setting_screen(self):
         logging.info(" Open the settings screen")
         self.close_all()
+        self.setting_screen = SettingScreen(navigator=self,screen_height=self.screen_height,screen_width=self.screen_width)
         self.setting_screen.show()
 
 
     def navigate_to_start_screen(self):
         self.close_all()
+        self.start_screen = StartScreen(navigator=self,screen_height=self.screen_height,screen_width=self.screen_width)
         self.start_screen.show()
 
     def navigate_to_user_info_screen(self):
         logging.info("Open the user information screen")
         self.close_all()
-        self.user_info_screen.show()
-
+        self.user_info_screen= UserInformationScreen(navigator=self,screen_height=self.screen_height,screen_width=self.screen_width)
         self.user_info_screen.show()
 
     def navigate_to_end_screen(self):
         logging.info("Open the user end screen")
         self.close_all()
+        self.end_screen= EndScreen(navigator=self,screen_height=self.screen_height,screen_width=self.screen_width,result=None)
         self.end_screen.show()  
 
     def navigate_to_test_screen(self):
         logging.info("Open the test screen")
         self.close_all()
+        self.test_screen = TestScreen(navigator=self,screen_height=self.screen_height,screen_width=self.screen_width)
+
         self.test_screen.show()    
 
     def close_all(self):