I'm using the expo-google-sign-in in my expo app for login. However, I'm getting the error that expo-google-sign-in is not supported in expo client. How can I create a react native app that does hot reloading that I can debug the expo-google-sign-in at?
GoogleSignIn can't be used in the Expo client, since the native GoogleSignIn library expects your REVERSE_CLIENT_ID in the info.plist at build-time, so that is expected.
This is only possible with standalone apps. You can use TestFlight to create a standalone .ipa to test on iOS which doesn’t require you to go through the review process. As for Android, you can create an apk and install it onto your device.
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I want to implement google sign in expo app.
But while reading doc, it says expo-google-sign-in cannot be used in Expo Go. but it only works for standalone Expo apps
https://docs.expo.dev/versions/latest/sdk/google-sign-in/#usage-with-firebase
I don't understand what this means.
I have created expo app using expo init command.
Is this standalone app or Expo go?
Please let me clear about this.
Wild guess here :
Expo Go is an app where you can test your app in it (when you scan the QR Code after expo start, your app is launched inside Expo Go app).
Standalone Expo app is your application when you upload it on the store.
I had the same issue for notifications : inside Expo Go app, notifications didn't work for my app but when I uploaded my app on the AppStore, notifications worked fine.
I used to run expo build:android (or ios) to build and publish my react-native application.
The app in the app store automatically updated doing this.
Since I updated my expo version to 38.0.8 it doesn't seem to be working anymore?
Does anyone know what's the problem here?
Generally you have to run
expo build:ios(or android)
to generate an expo build, and then run
expo upload:ios(or android)
to upload to the App Store or Google Play Store
I am implementing API to connect app with server. I have to use deviceId there. As mentioned in here we can use third party library 'react-native-device-info'. But when I am using it I am getting errors as attached screenshots. As per error it's saying to do linking but as I am using react version 0.62, so autolinking is there. So What can be issue? It took too much time to search it but till now I didn't get a proper solution.
react-native-device-info library wont work in Expo , since it requires linking of native modules hence the error.It will only work in pure react native apps.
You can check this by expo itself : expo-device
hopeit helps.feel free for doubts
You can use react-native-device-info even in Expo projects. You need to replace Expo Go with a custom build that has react-native-device-info library baked in.
By default, Expo Go used on Android, iPhone Emulators implies managed workflow (aka only expo-* modules are being used). However, using any pure react-native-* libraries falls under bare workflow, so you cannot use Expo Go - the error you see is from Expo Go, not your app.
Build your custom Expo app with expo-dev-client, react-native-device-info libraries included, and install that on your emulators. This needs to be done once when you add a react-native-* library.
Now continue to add code to your project that uses features from react-native-device-info.
npx expo start --dev-client and choose your emulator. Your custom build will be launched and you can make live changes as always like in Expo Go.
Do check out the section on Development Builds from Expo. Needless to say, I have successfully used react-native-device-info on my Expo project, because expo-device cannot provide what I needed.
I created a RN with create-react-native-app, and I have now decided to eject. It didn't work initially, and required some packages to be installed (#babel/...), but now, it complains that Module 'expo' does not exist in the Haste module map.
Why does it still require expo, now that it has been ejected? Or have I misunderstood what ejection does?
N.B. during the ejection I chose the option to eject to an RN app, not to ExpoKit. This is on iOS, currently.
When ejecting expo app you'll be asked about using expo-kit or just react-native and it's up to you to choose, plus Module 'expo' does not exist in the Haste module map means you still using expo in your code so double check your code to be sure that you're not importing expo anywhere and try again.
TL;DR
Ejected expo react native app requires expo? the short answer is no.
when using expo app you have the ability to build your app using the expo server so you don't have to have Android Studio or XCode installed all you have to do is $ expo build:[android|ios] and download your built package after the build process is done also you can run your app using expo client app on Android and Ios but once ejecting you'll lose the ability of using expo server as your build environment instead you have to use Android Studio or XCode, but the main difference here is when you choose expo-kit you still have the ability of using expo client to run your app and you still have the ability to use expo modules inside your code but when you choose react-native you can't use expo client instead you have to use the native tools, anyway in all cases once you eject your project you have to build it yourself and you can't undo this step.
Sidenote
You can build very powerful apps using only JavaScript without any need to eject especially when using `expo SDK 31+, I'm working on an app now with features like detecting location, live maps, social login and chat and I don't need to eject it at all.
Please take a look here and here
Update:
One last thing you have to remember is that when using expo or expo-kit you can keep developing ios app on any OS but when using react-native you can't do this you MUST have a mac.
I have build an app using react native(detached) but the thing is I would want to completely get rid of Expo. The reason is, what if one day EXPO service get shut down or no more supported.
So in this case I would not want the app to be affected.
Currently I need to publish my app thru ExpoKit to see the latest changes, how would I build my android app so it would not have any reference to Expo but still be able to work properly
Currently this is how I understand how the react native and expo works: first u build ur app using react native code and then a bundle.js is generated somewhere on cloud(EXPO) using publish command so the app communicate with that bundle.js.
Note I am not using any feature from Expo so why would I need Expo in this case?
Edited: If I am detaching my app from expo, I mean why would I still need Expo? Can't I just build the app and run the app without expo at all?
You can build your whole application without using expo, just follow the steps from facebook documentation in "Building Projects with Native Code" tab.
or
you can run "npm run eject" in your project root directory folder.
After this, you can build your appliaction using react-native cli commands, like
react-native run-android.
edited :--
For building apk for production, you can follow steps given in facebook documentation as generating signed apk and for released IPA for iOS yo can follow building your app for production for IOS.