在iOS中实现表单的最佳实践是什么？

I need to create several screens-forms that would be used for entering data and posting to the server. I have not done that kind of stuff yet, so I'm just wondering are there any best practices for doing that. Currently, I would just drop several text fields, radios and etc, do some manual input validation, do an assembly of input data into URL and then do submission to the server. I need to create several screens-forms that wou