Each parameter is specified by calling a client method with the same name and by passing the value to the method as first argument.
通过调用相同名称的客户端以及将值作为第一个参数传递给该方法，来指定每个参数。
2
User preferences defined in the XML descriptor of the gadget, which can be assigned a valuebypassing the name of the preference, preceded with _up, as a request parameter to the service.