App size reduction

App size reduction

We present our unofficial guide to Android app size and how to squeeze in as much useful functionality into your app in the smallest number of bytes. The SwiftKey team here in London has managed to halve our download and install size by investigating the root causes of bloat as well as taking advantages of the latest developments in Android. We’ve done this whilst continuing to support over 350 languages, 200 themes, 200 keyboard layouts, handwriting recognition, translator, emoji prediction and loads more.


Olli has been working on SwiftKey Android for the last 3 years and along with the rest of the team is bringing some of that start-up agility back to Microsoft. His recent projects also include improving the keyboard layout on new devices and improving emoji predictions.

Beatriz Viñal Murciano has worked on the SwiftKey Android app for the last 5 years and she’s been recently focusing on improving the app’s efficiency and making the most of the latest Android features.

Praveen Pendyala has been working on SwiftKey Android for the last 2 years. His recent projects include improving tooling for measuring keyboard performance, and OpenGL rendering using native code.


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