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Article Written By:
Johann Dowa

iOS Library Increasing UITableView Speed With A High-Perfomance UITableViewCell Replacement

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There are a number of ways to improve the slow speed of UITableViews – you could use something like FastImageCache if the issue involves a slowdown when through a set of images.

Here’s a library submitted by Wojtek Czekalski that takes a different approach to speeding up UITableView performance called WCFastCell. WCFastCell improves performance by drawing a cells subviews on a single layer.  WCFastCell works as a drop-in replacement for table view cells with static content.

As the readme states:

WCFastCell is a drop in replacement for UITableViewCell. It draws subviews’ contents (either UILabels or UIImageViews) on a single layer. Thanks to that UITableViews scroll more smoothly. It can be especially useful on older devices.

Here’s an image from the readme visualizing the performance increase when using WCFastCell vs UITableViewCell:

WCFastCell Performance

You can find WCFastCell on Github here.

If you have trouble getting the demo application to work you can remove the requirement for the Reveal Framework.

Thanks to Wojtek for the submission.


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