main.py 文件源码

def __init__(self, **kwargs):
        super(MyKeyboardListener, self).__init__(**kwargs)
        self._keyboard = Window.request_keyboard(
            self._keyboard_closed, self, 'text')
        if self._keyboard.widget:
            print type(self._keyboard.widget)
            print type(self._keyboard)
            vkeyboard = self._keyboard.widget
            vkeyboard.layout = 'numeric.json'
            # If it exists, this widget is a VKeyboard object which you can use
            # to change the keyboard layout.
        else:
            print 'tru'
        print 'tru'
        self._keyboard.bind(on_key_down=self._on_keyboard_down)