showcase: fixed dpi

examples/demo/showcase/main.py

@@ -250,16 +250,16 @@ class ShowcaseApp(App):
         return col
 
     def show_popup(self):
-        btnclose = Button(text='Close this popup', size_hint_y=None, height=50)
+        btnclose = Button(text='Close this popup', size_hint_y=None, height='50dp')
         content = BoxLayout(orientation='vertical')
         content.add_widget(Label(text='Hello world'))
         content.add_widget(btnclose)
         popup = Popup(content=content, title='Modal popup example',
-                      size_hint=(None, None), size=(300, 300),
+                      size_hint=(None, None), size=('300dp', '300dp'),
                       auto_dismiss=False)
         btnclose.bind(on_release=popup.dismiss)
         button = Button(text='Open popup', size_hint=(None, None),
-                        size=(150, 70))
+                        size=('150dp', '70dp'))
         button.bind(on_release=popup.open)
         popup.open()
         col = AnchorLayout()

examples/demo/showcase/showcase.kv

@@ -14,17 +14,18 @@
         orientation: 'vertical'
 
         BoxLayout:
-            padding: 10
-            spacing: 10
+            padding: '10dp'
+            spacing: '10dp'
             size_hint: 1, None
             pos_hint: {'top': 1}
-            height: 44
+            height: '44dp'
             Image:
                 size_hint: None, None
-                size: 24, 24
-                source: 'data/logo/kivy-icon-24.png'
+                size: '24dp', '24dp'
+                source: 'data/logo/kivy-icon-64.png'
+				mipmap: True
             Label:
-                height: 24
+                height: '24dp'
                 text_size: self.width, None
                 color: (1, 1, 1, .8)
                 text: 'Kivy %s - Showcase' % kivy.__version__
@@ -55,7 +56,7 @@
 [Title@Label]
     pos_hint: {'center_x': .5, 'y': .3}
     text: ctx.text
-    font_size: 22
+    font_size: '29dp'
 
 <AnchorLayoutShowcase>
     Title: