Show update status cell above UITableView?

Question

Several apps including the Facebook App shows an update-cell when the table is moved to the top. How is this implemented?

Answer 1

There are many different solutions here's one PullToRefresh .

The problem I noticed (with this one at least) is that it is expected that you are subclassing UITableViewController which is not always the case

Answer 2

这可能会做你需要的， https：//github.com/chpwn/PullToRefreshView ，它很容易实现