Recipe: Adding Pull-to-Refresh to Your Table
Pull-to-refresh is a widely used app feature that has become popular in the App Store over the past few years. It lets you refresh tables by pulling down their tops enough to indicate a request. It is so intuitive to use that many wondered why Apple didn’t add it to its UITableViewController class. In iOS 6, though, Apple created a highly stylized and stretchable animated refresh control. With iOS 7, the stretchable control was replaced with a more traditional activity indicator with a slightly expanded animation to provide feedback on the state of the control (see Figure 9-8).
Figure 9-8 You can easily ...
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