是否有可能使iPhone的键盘隐形/删除它而不放弃第一响应者?

I am looking for a way to show my own input view (a UITableView) to enter certain keywords in a UITextView faster than typing them, and also be able to type into this text view the normal way. My solution has a button that causes the keyboard to disappear, revealing the table view underneath it.I am looking for a way to show my own input vie