actionbar_example.py

from kivy.app import App
from kivy.lang import Builder
from kivy.uix.boxlayout import BoxLayout

Builder.load_string('''
<ActionBarDummy>
    ActionBar:
        pos_hint: {'top':1}
        
        ActionView:
            ActionPrevious:
                title: 'Recipes'
                with_previous: False
        
            ActionGroup:
                id: action_group
                mode: 'spinner'
                text: 'Some Actions'
                
                ActionButton:
                    text: 'Action 1'
                    on_release: action_group._dropdown.select(root.do_something())
                
                ActionButton:
                    text: 'Action 2'
                    on_release: action_group._dropdown.select(root.do_something())
                    
                ActionButton:
                    text: 'Action 3'
                    on_release: action_group._dropdown.select(root.do_something())
''')

class ActionBarDummy(BoxLayout):
    def __init__(self, **kwargs):
        super(ActionBarDummy, self).__init__()

    def do_something(self):
        print("ActionButton was clicked." )
    
class ActionBarApp(App):
     def build(self):
        return ActionBarDummy()


if __name__ in ('__main__', '__android__'):
    ActionBarApp().run()