如何在Kivy中创建带有汉堡菜单和其他图标的菜单栏

from kivy.app import App
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.uix.label import Label
from kivy.uix.behaviors import ButtonBehavior
from kivy.uix.image import Image
from kivy.uix.dropdown import DropDown

class MenuBar(BoxLayout):
    def __init__(self, **kwargs):
        super(MenuBar, self).__init__(**kwargs)
        self.orientation = 'horizontal'
        self.size_hint_y = None
        self.height = 50

class IconButton(ButtonBehavior, Label):
    pass

class MenuBar(BoxLayout):
    def __init__(self, **kwargs):
        super(MenuBar, self).__init__(**kwargs)
        self.orientation = 'horizontal'
        self.size_hint_y = None
        self.height = 50

        # 汉堡菜单按钮
        hamburger_btn = IconButton(text='☰', font_size=30)
        hamburger_btn.bind(on_release=self.show_menu)
        self.add_widget(hamburger_btn)

        # 其他图标按钮
        icon_btn1 = IconButton(text='Icon 1', font_size=20)
        self.add_widget(icon_btn1)

        icon_btn2 = IconButton(text='Icon 2', font_size=20)
        self.add_widget(icon_btn2)

        icon_btn3 = IconButton(text='Icon 3', font_size=20)
        self.add_widget(icon_btn3)

class MenuBar(BoxLayout):
    def __init__(self, **kwargs):
        super(MenuBar, self).__init__(**kwargs)
        self.orientation = 'horizontal'
        self.size_hint_y = None
        self.height = 50

        # 汉堡菜单按钮
        hamburger_btn = IconButton(text='☰', font_size=30)
        hamburger_btn.bind(on_release=self.show_menu)
        self.add_widget(hamburger_btn)

        # 其他图标按钮
        icon_btn1 = IconButton(text='Icon 1', font_size=20)
        self.add_widget(icon_btn1)

        icon_btn2 = IconButton(text='Icon 2', font_size=20)
        self.add_widget(icon_btn2)

        icon_btn3 = IconButton(text='Icon 3', font_size=20)
        self.add_widget(icon_btn3)

        # 汉堡菜单下拉选项
        self.menu = DropDown()
        self.menu.add_widget(Button(text='Option 1', size_hint_y=None, height=30))
        self.menu.add_widget(Button(text='Option 2', size_hint_y=None, height=30))
        self.menu.add_widget(Button(text='Option 3', size_hint_y=None, height=30))

    def show_menu(self, widget):
        self.menu.open(widget)

class MyApp(App):
    def build(self):
        menu_bar = MenuBar()
        return menu_bar

if __name__ == '__main__':
    MyApp().run()