program.py 文件源码

def show_new_screen(self, instance_new_screen, string_new_name_screen):
        """????????????? ????? ?????."""

        # ???? ???????? ??????? ???? ? ??? ?? ?????, ????????, About ? About.
        name_current_screen = self.start_screen.screen_manager.current
        if name_current_screen == string_new_name_screen:
            return

        # ??????? ????? ????? (Activity).
        screen = Screen(name=string_new_name_screen)
        screen.add_widget(instance_new_screen)

        # ????????? Activity ? ???????? ????????;
        # ????????????? ???????? ????? ??????;
        # ??????? Activity ?? ?????;
        # ????????????? ??? Activity ? ActionBar;
        # ?????? ?????? action_previous ? ????? ???? ActionBar.
        self.start_screen.screen_manager.add_widget(screen)
        self.start_screen.screen_manager.transition = FadeTransition()
        self.start_screen.screen_manager.current = string_new_name_screen
        self.start_screen.action_previous.title = string_new_name_screen
        self.start_screen.action_previous.app_icon = \
            "Data/Images/arrow_left.png"