kivy: base_unit setting

gui/kivy/uix/ui_screens/history.kv

@@ -54,9 +54,9 @@
 <RecentActivityItem@CardItem>
     icon: 'atlas://gui/kivy/theming/light/important'
     address:'no address set'
-    amount: '+0.00'
-    balance: 'xyz'# balance_after 
-    amount_color: '#DB3627' if float(self.amount) < 0 else '#2EA442'
+    value: 0
+    amount: app.format_amount(self.value, True) if self.value is not None else '--'
+    amount_color: '#DB3627' if self.value < 0 else '#2EA442'
     confirmations: 0
     date: '0/0/0'
     quote_text: '.'
@@ -91,15 +91,15 @@
             halign: 'right'
             font_size: '13sp'
             size_hint: None, 1
-            width: '90sp'
+            width: '110sp'
             markup: True
             font_name: font_light
             text:
-                u'[color={amount_color}]{sign}{symbol}{amount}[/color]\n'\
+                u'[color={amount_color}]{sign}{amount} {unit}[/color]\n'\
                 u'[color=#B2B3B3][size=12sp]{qt}[/size]'\
                 u'[/color]'.format(amount_color=root.amount_color,\
                 amount=root.amount[1:], qt=root.quote_text, sign=root.amount[0],\
-                symbol=btc_symbol if app.base_unit == 'BTC' else mbtc_symbol)
+                unit=app.base_unit)
     CardSeparator
 
 <CardRecentActivity@Card>

gui/kivy/uix/ui_screens/settings.kv

@@ -14,10 +14,11 @@ Popup:
                 height: '48dp'
                 size_hint: 1, None
             Spinner:
-                text: 'BTC'
+                text: app.base_unit
                 values: ('BTC', 'mBTC')
                 size_hint: 1, None
                 height: '48dp'
+                on_text: app.base_unit = self.text
 
             Label:
                 size_hint: 1, None