public function device()
    {
        if (is_null($this->device)) {
            $this->device = new Device($this->accessToken);
        }

        return $this->device;
    }
public function device()
    {
        if (is_null($this->device)) {
            $this->device = new Device($this->accessToken);
        }

        return $this->device;
    }
public function device ( ) { if ( is_null ( $ this -> device ) ) { $ this -> device = new Device ( $ this -> accessToken ) ; } return $ this -> device ; }
Return the device instance.

@return \EasyWeChat\ShakeAround\Device
Return the device instance .