def __init__(self, **kwargs):
super(MainLayout, self).__init__(**kwargs)
self.main_screen = MainScreen(mainLayout=self)
self.category_screen = CategoryScreen(mainLayout=self)
self.experiment_layout = ExperimentScreen(mainLayout=self)
self.main_screen.load_categories()
self.screen_manager.add_widget(self.main_screen)
self.screen_manager.add_widget(self.category_screen)
self.screen_manager.add_widget(self.experiment_layout)
self.screen_manager.current = 'main'
if platform == 'android':
Window.bind(on_keyboard=self.on_keyboard_android)
Window.bind(on_keyboard=self.on_keyboard)
