Pullwalla
An extension of Leah Culver's PullToRefresh project which emulates the animated, checkered, pull-to-refresh bar in Gowalla's iPhone app. The project has also been updated to support ARC.
Inspired by Gowalla, Leah Culver.
How to intall
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Copy the files, PullRefreshTableViewController.h, PullRefreshTableViewController.m, ColorGrid.h, ColorGrid.m, ColorBlock.h, ColorBlock.m, Colors.plist, and arrow.png into your project.
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Link against the QuartzCore framework (used for rotating the arrow image).
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Create a TableViewController that is a subclass of PullRefreshTableViewController.
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Customize by setting your own colors in Colors.plist and by adding your own refresh() method.
Enjoy!