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iOS and macOS™ Performance Tuning: Cocoa®, Cocoa Touch®, Objective-C®, and Swift™ by Marcel Weiher

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17. Graphics and UI: Examples

This chapter will look at two concrete examples of tuning larger applications in their totality: a highly image-centric weather app and the Wunderlist 3 task manager.

Beautiful Weather App

A couple of years ago, I was approached by a young Berlin start-up that had hitherto worked primarily on puzzle apps and had been very successful with that. Their goal was to build the most beautiful weather app on the planet, and now that they were almost done making it beautiful (see Figure 17.1) they hit some snags actually getting it shippable.

Image

Figure 17.1 Beautiful Weather app

The app was so image heavy that it would routinely ...

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