Kivy Pi中的自定义退出代码

from kivy.app import App

class MyApp(App):
    def stop(self, *args):
        # 执行清理操作或保存数据
        super(MyApp, self).stop(*args)  # 调用Kivy的stop()方法退出应用程序

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

from kivy.app import App
from kivy.uix.button import Button

class MyApp(App):
    def exit_app(self, *args):
        # 执行清理操作或保存数据
        App.get_running_app().stop()  # 调用Kivy的stop()方法退出应用程序

    def build(self):
        button = Button(text='退出应用')
        button.bind(on_release=self.exit_app)
        return button

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