def init_widget(self):
        """ Initialize the underlying widget.

        """
        super(AndroidTextClock, self).init_widget()
        d = self.declaration
        if d.format_12_hour:
            self.set_format_12_hour(d.format_12_hour)
        if d.format_24_hour:
            self.set_format_24_hour(d.format_24_hour)
        if d.time_zone:
            self.set_time_zone(d.time_zone)