I’ve mentioned a few libraries for creating pie charts such as MagicPie and Echart.
Here’s an open source component for creating charts in the stile of the iTunes storage space usage bar which makes a nice alternative for displaying data that you would normally use a pie chart for while taking up less vertical space in your app.
The component is ROStorageBarBar from Robin Oster, and allows you to easily specify values, labels and colors for each segment and you have the option of displaying the labels within each segment like in iTunes, or below the bar.
This is an image of ROStorageBar with iTunes like labeling:

And another image showing the labels underneath:

You can find ROStorageBar on Github here.
A nice alternative to using a pie chart.
Original article: Open Source Component For Creating Charts Like iTunes Storage Chart
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