I created an app which I created using Expo, so I had all the files generated by them. But when I build the apk of my app which then I have to download from the expo server, it's size is more than 40 mb which is too high given that my app displays data using firebase and I have developed apps more complex than this which are around just 10mbs or so.
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1https://stackoverflow.com/questions/49993006/how-to-reduce-the-size-of-an-expo-react-native-app-on-android see this – Shahid ali Jun 02 '20 at 16:56
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Why is my react native apk size so big?
The larger size of expo is due to Expo wrapper which sits on top of react native. It has few built-in modules which are not always required by the app but are included by default
What can I do to reduce it?
- You can eject from Expo to pure react native via
expo ejectOR - For Expo SDK version 41+ managed workflow: They have introduced EAS (Expo Application Services) for managed workflow in sdk version 41 and it can reduce app size to even 10x smaller.
About EAS: https://blog.expo.io/eas-build-april-preview-update-ebd7dff9dd25
This is how you will build your expo app using EAS: https://docs.expo.io/build/setup/
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