Add window size variable from kivy_state

src/bitmessagekivy/main.kv

@@ -108,7 +108,7 @@
                     height:"35dp"
                 NavigationItem:
                     height: dp(48)
-                    CustomSpinner:
+                    IdentitySpinner:
                         id: identity_dropdown
                         pos_hint:{"x":0,"y":0}
                         option_cls: Factory.get("MySpinnerOption")
@@ -246,8 +246,8 @@ MDNavigationLayout:
         #     id:sc16
         # Allmails:
         #     id:sc17
-        ScanScreen:
-            id:is_scanscreen
+        # ScanScreen:
+        #     id:is_scanscreen
 
     MDNavigationDrawer:
         id: nav_drawer

src/bitmessagekivy/mpybit.py

@@ -13,6 +13,7 @@ from functools import partial
 
 from kivy.clock import Clock
 from kivy.lang import Builder
+from kivy.core.window import Window
 from kivy.uix.boxlayout import BoxLayout
 
 from kivymd.app import MDApp
@@ -80,10 +81,13 @@ class IdentitySpinner(BaseIdentitySpinner):
 class NavigateApp(MDApp):
     """Navigation Layout of class"""
 
+    kivy_state = KivyStateVariables()
     title = "PyBitmessage"
     identity_list = get_identity_list()
     image_path = load_image_path()
     app_platform = platform
+    kivy_state.screen_density = Window.size
+    window_size = kivy_state.screen_density
     tr = Lang("en")  # for changing in franch replace en with fr
 
     def __init__(self):