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Peter Boctor

@boctor // Seattle/San Francisco

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Center Button in Tab Bar screenshot

Center Button in Tab Bar

As seen in Instagram, Path, DailyBooth, and other apps, place a button in the center of a UITabBar to let the user perform some action that is central to the application's purpose.

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Animated Tab Bar Selection Indicator screenshot

Animated Tab Bar Selection Indicator

As seen in Twitter for iPhone (née Tweetie 2), select a tab from the tab bar, and a small triangular selection indicator slides into place above the tab.

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Vertically swipe between pages of content screenshot

Vertically swipe between pages of content

As seen in the Reeder iPhone app, pull to see the title of the next page of content. Pull far enough and the next page slides in to replace the current page.

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