better size in compass screen

flockompass.kv

@@ -38,9 +38,21 @@
     spacing: '10dp'
     BoxLayout:
         orientation: 'vertical'
+        ActionBar:
+            pos_hint: {'top':1}
+            ActionView:
+                use_separator: True
+                ActionPrevious:
+                    title: 'Social Cycling'
+                    with_previous: False
+                ActionButton:
+                    important: True
+                    text: 'set destination'
+                    on_press: root.manager.current = 'map'
+        
         BoxLayout:
             orientation: 'horizontal'
-            size_hint: 1, .1
+            size_hint_y: 0.07
             Button:
                 id: enable_button
                 text: 'Enable Sensor'
@@ -58,16 +70,8 @@
                     disable_button.disabled = not disable_button.disabled
                     enable_button.disabled = not enable_button.disabled
 
-        Label:
-            text: root.gps_location
-
-        Label:
-            text: root.gps_status
-
-        BoxLayout:
-            size_hint_y: None
-            height: '48dp'
-            padding: '4dp'
+            Label:
+                text: root.gps_location
 
             ToggleButton:
                 text: 'Start' if self.state == 'normal' else 'Stop'
@@ -81,7 +85,7 @@
 
             canvas:
                 Color:
-                    rgb: .98, .98, .98
+                    rgb: .08, .08, .08
                 Rectangle:
                     size: self.size