screens.py 文件源码

def _reset_layout(self):
        reset_layout = RelativeLayout(
            size_hint=(None, None),
            size=(100, 100),
            pos_hint={'right': 1, 'top': 1},
        )
        history_button = Button(
            text="History",
            font_size=30,
            size_hint=(1, 1),
        )
        history_button.bind(on_release=self.handle_history_button)
        reset_layout.add_widget(history_button)
        return reset_layout