AreYouEnabledView.py 文件源码

def set_actions(self):
        # method 2: traversing all subviews
        for subview in self.subviews:
            if isinstance(subview, ui.TextField):
                subview.delegate = self
            elif isinstance(subview, ui.Button):
                if subview.name == 'say hi':
        # method 3: button-specific action methods
                    subview.action = self.say_hi  
                else:
                    subview.action = self.button_pressed