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iPhone User Interface Cookbook by Cameron Banga

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Using badges to draw attention to new content

As a specific form of notifications, badges allow us to give a numerical bit of context on the application for the user. This is a great tool when we look to inform the user on the number of their new emails, text messages, and so on.

Badges are a relatively simple, but fundamentally important aspect of an application interface. For any application that uses Push or Local Notifications in order to update the user on new content, badges are an option to help gain user attention.

Using badges to draw attention to new content

Badges are used by many applications. In the previous screenshot, badges indicate the number of apps available for update in ...

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