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Reducing App Size
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Michael Wood
Merged in a post:
Light weight projects
Ethan Lal
Hi, Expo projects are really large for a normal android app. It's hard to download and keep in your phone. I wish there was feature in which we could remove all unused libraries like those in react. Also exclude some unnecessary libraries to reduce size.
Michael Wood
Please see https://expo.fyi/managed-app-size
Bivek Chhetri
https://medium.com/@aswinmohanme/how-i-reduced-the-size-of-my-react-native-app-by-86-27be72bba640 Can this be achieved directly from expo I really feels the app size is very high for expo
N
Nathanael Martins
When I set "enableDangerousExperimentalLeanBuilds" : true in app.json and try to submit to play store, I get this error/warning:
"This App Bundle contains native code, and you've not uploaded debug symbols. We recommend you upload a symbol file to make your crashes and ANRs easier to analyze and debug."
How do I fix this? Thanks.
Summer Syed
@Nathanael Martins: I am getting this warning in play console on my managed flow app too generated on sdk-38.
Jatin Hemnani
At least tell me how and where to use android.enableDangerousExperimentalLeanBuilds: true
Pls tell me where to use it properly
Sujan Barman
@Jatin Hemnani: expo: {
"android": {
"package": "com.xxx. xxx",
"versionCode": 1,
"enableDangerousExperimentalLeanBuilds" : true
}
}
Summer Syed
I know its not the right place to ask, but somebody might know here; How can I get email or any type of notification whenever someone replies or @mentions here on expo.canny.io, seems like there are no such settings in profile or notifications.
J
John Chimaobi
HOW TO REMOVE UNNECESSARY MODULES (I DON'T NEED LIKE 95%) OF THEM
Resolving universal modules dependencies
Adding expo-ads-admob:8.1.0
Adding @unimodules/core:5.1.0
Adding expo-ads-facebook:8.1.0
Adding expo-analytics-amplitude:8.1.0
Adding expo-analytics-segment:8.1.0
Adding unimodules-constants-interface:5.1.0
Adding expo-app-auth:9.0.0
Adding expo-apple-authentication:2.1.0
Adding @unimodules/react-native-adapter:5.1.1
Adding unimodules-app-loader:1.0.1
Adding unimodules-font-interface:5.1.0
Adding unimodules-image-loader-interface:5.1.0
Adding unimodules-permissions-interface:5.1.0
Adding expo-application:2.1.0
Adding expo-av:8.1.0
Adding expo-background-fetch:8.1.0
Adding expo-task-manager:8.1.0
Adding unimodules-task-manager-interface:5.1.0
Adding expo-barcode-scanner:8.1.0
Adding unimodules-barcode-scanner-interface:5.1.0
Adding expo-battery:2.1.0
Adding expo-bluetooth:1.0.0
Adding expo-blur:8.1.0
Adding expo-brightness:8.1.0
Adding expo-calendar:8.1.0
Adding expo-camera:8.2.0
Adding unimodules-camera-interface:5.1.0
Adding unimodules-file-system-interface:5.1.0
Adding unimodules-face-detector-interface:5.1.0
Adding expo-cellular:2.1.0
Adding expo-constants:9.0.0
Adding expo-contacts:8.1.0
Adding expo-crypto:8.1.0
Adding expo-device:2.1.0
Adding expo-document-picker:8.1.0
Adding expo-error-recovery:1.1.0
Adding expo-face-detector:8.1.0
Adding expo-facebook:8.1.0
Adding expo-file-system:8.1.0
Adding expo-firebase-analytics:2.1.1
Adding expo-firebase-core:1.0.0
Adding expo-font:8.1.0
Adding expo-gl:8.1.0
Adding expo-gl-cpp:8.1.0
Adding expo-google-sign-in:8.1.0
Adding expo-haptics:8.1.0
Adding expo-image-loader:1.0.1
Adding expo-image-manipulator:8.1.0
Adding expo-image-picker:8.1.0
Adding expo-permissions:8.1.0
Adding expo-in-app-purchases:8.1.0
Adding expo-intent-launcher:8.1.0
Adding expo-keep-awake:8.1.0
Adding expo-linear-gradient:8.1.0
Adding expo-local-authentication:9.0.0
Adding expo-localization:8.1.0
Adding expo-location:8.1.0
Adding expo-mail-composer:8.1.0
Adding expo-media-library:8.1.0
Adding expo-module-template:8.2.0
Adding expo-network:2.1.0
Adding expo-notifications:1.0.0
Adding expo-payments-stripe:8.1.0
Adding expo-print:8.1.0
Adding expo-random:8.1.0
Adding expo-screen-orientation:1.0.0
Adding expo-secure-store:8.1.0
Adding expo-sensors:8.1.0
Adding unimodules-sensors-interface:5.1.0
Adding expo-sharing:8.1.0
Adding expo-sms:8.1.0
Adding expo-speech:8.1.0
Adding expo-sqlite:8.1.0
Adding expo-store-review:2.1.0
Adding expo-updates:0.1.2
Adding expo-video-thumbnails:4.1.0
Adding expo-web-browser:8.2.0
Alexander Pataridze
@John Chimaobi: I think this will help: android.enableDangerousExperimentalLeanBuilds: true
J
John Chimaobi
@Alexander Pataridze: Thanks bro. I will check it out
Peter Hansmann
@Alexander Pataridze: Thank you! Reduce my android bundle size from 25 MB to 12 MB
Jatin Hemnani
@Peter Hansmann: where did you write android.enableDangerousExperimentalLeanBuild this command pls give proper info..
Brent Vatne
please refer to this doc for more info: https://github.com/expo/fyi/blob/master/managed-app-size.md
Steve Moretz
@Brent Vatne: That's some great news finally!Thanks man. But the docs are a bit confusing.setting android.enableDangerousExperimentalLeanBuilds to true is all we do?Then expo-
packages will be excluded the ones that we don't use right?And react-native-
won't?What does it mean I don't understand it quite well.And about ota updates the app will broken only if we add a new expo-* library and then ota it?Or any javascript library that adds will broke the ota?bitttttten
@Brent Vatne: Very cool! What's the risk regarding breaking OTA updates? It didn't really explain why, so it would be nice to know why in case the OTA fails and it's not because of this reason.
Brent Vatne
@bitttttten @Steve Moretz: check out the "How the managed workflow works currently" section of the doc. if you have a car without a break pedal and then try to use the break pedal, you're going to crash. you need to rebuild it with a break pedal to be able to use it. so, if you ship an app without "expo-camera" in your native code and then ship an update that tries to use "expo-camera" in your js code, your app will crash. you need to rebuild the binary with "expo-camera" included to use that update.
Steve Moretz
@Brent Vatne: Thanks for you reply.Expo-* stuff need native code so that's why it would break,but if adding a Javascript library on the ota.Like Moment library it wouldn't break anything right?I know it is right.Just want to be sure thank you.
Brent Vatne
@Steve Moretz: correct, you could add something like moment just fine.
Lingaiah Danda
Hello, have any one found the solution to reduce the apk size?
Cemo Koc
@Brent Vatne
"Building first-class support for custom native code in Expo apps: We are working on a longer term change to make the main workflow support custom native code (including Expo modules from npm or GitHub that might contain native code) in Expo projects by giving direct control over the Xcode and Android Studio projects."
if this happens, Expo will eliminate all other techs. This is the most exciting feature I have ever heard. I had before filed issues same as this statement.
Steve Moretz
@Cemo Koc: Where did you find that quote?That sounds wonderful any ETA?Or any news about it when it was said?
Cemo Koc
@Steve Moretz: https://github.com/expo/fyi/blob/master/managed-app-size.md
Steve Moretz
@Cemo Koc: "We are hoping to get these out in developers' hands by the end of 2020. More information will be available as we're ready to talk about it!"
That sounds promising.If these happen nobody needs to use bare anymore.Thanks I didn't see that part.
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