commiting in case the kivy trial fails

freechat-client/share/kivy-examples/container/kv/1.kv

@@ -0,0 +1,28 @@
+#:kivy 1.8.0
+#:import datetime datetime
+
+RootWidget:
+    # import container
+    container: container
+
+    # fill the container
+    BoxLayout:
+        id: container
+        orientation: 'vertical'
+        padding: 0
+        spacing: 3
+
+        Label:
+            text: 'screen-1'
+
+        BoxLayout:
+            orientation: 'horizontal'
+            padding: 0
+            spacing: 1
+            size_hint: 1, 0.1
+
+            # weiter button
+            Button:
+                size_hint: 0.2, 1
+                text: 'next'
+                on_release: app.next_screen('2')

freechat-client/share/kivy-examples/container/kv/2.kv

@@ -0,0 +1,28 @@
+#:kivy 1.8.0
+#:import datetime datetime
+
+RootWidget:
+    # import container
+    container: container
+
+    # fill the container
+    BoxLayout:
+        id: container
+        orientation: 'vertical'
+        padding: 0
+        spacing: 3
+
+        Label:
+            text: 'screen-2'
+
+        BoxLayout:
+            orientation: 'horizontal'
+            padding: 0
+            spacing: 1
+            size_hint: 1, 0.1
+
+            # weiter button
+            Button:
+                size_hint: 0.2, 1
+                text: 'next'
+                on_release: app.next_screen('3')

freechat-client/share/kivy-examples/container/kv/3.kv

@@ -0,0 +1,28 @@
+#:kivy 1.8.0
+#:import datetime datetime
+
+RootWidget:
+    # import container
+    container: container
+
+    # fill the container
+    BoxLayout:
+        id: container
+        orientation: 'vertical'
+        padding: 0
+        spacing: 3
+
+        Label:
+            text: 'screen-3'
+
+        BoxLayout:
+            orientation: 'horizontal'
+            padding: 0
+            spacing: 1
+            size_hint: 1, 0.1
+
+            # weiter button
+            Button:
+                size_hint: 0.2, 1
+                text: 'next'
+                on_release: app.next_screen('1')

freechat-client/share/kivy-examples/container/kv/root.kv

@@ -0,0 +1,32 @@
+#:kivy 1.8.0
+
+RootWidget:
+    # import container
+    container: container
+
+    BoxLayout:
+        orientation: 'vertical'
+        padding: 0
+        spacing: 6
+
+        # bottom-left part:
+        BoxLayout:
+            orientation: 'horizontal'
+            padding: 0
+            spacing: 6
+
+            # bottom-left
+            BoxLayout:
+                size_hint: 0.12, 0.12
+                orientation: 'vertical'
+                padding: 0
+                spacing: 6
+
+                # option calibrate
+                Button:
+                    text: 'Start'
+                    on_release: app.next_screen('1')
+
+            # create container (bottom-right)
+            BoxLayout:
+                id: container