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Expo

Build and share truly native apps that work across both iOS and Android. Open source, free and uses React Native.

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React-Native-Maps

Hello, I have an app in development with react-native-maps, everything works fine during development but the android standalone app crashes when the user navigates to the map screen. Can anyone help, what am I doing wrong?

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Invalid SDK version error after creating react-native app

Hi, yesterday I have initialized react-native app by the help of expo, but when I start the app it returns invalid SDK version 37.0.0, even though I have not changed anything in package.json or etc. Everything is default configuration. I tried few solutions, first I have run…

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How to know which device produces push notification error?

Using Push Notifications with Expo, how do I get the device that has the error? When creating Push Tickets I get an array of ids without any info about device: And when I request the receipts I get this back: …

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Different imports for @react-native-community/netinfo on web?

Anyone running the latest NetInfo on web? I upgraded expo to the latest v37 but the values I get when importing NetInfo are different on web and native. For native I get the latest api but for web I get the old api: Web: …

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Can't I use async-storage/ redux-persist 6 @latest with expo ^36

import AsyncStorage from '@react-native-community/async-storage'; const persistConfig = { storage: AsyncStorage …

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Expo Audio performance issue

Hello everyone. I am trying to build a simple app using expo-av. Its purpose is to play a beep sound with a frequency given by the user, it's a metronome. It replays the sound as expected but after some time it becomes very slow and it drops a lot of FPS. Here is my code:

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e2e tests

Hi everyone, I was wondering does anyone have a good solution for e2e tests with expo? Detox has dropped support for expo. I tried the steps in this repo with expo sdk 36 and I couldn't get detox to run. https://github.com/yaron1m/expo-detox-typescript-example Thanks!

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Looking for opinions on setting up an expo app with a monorepo

I am using Lerna in a monorepo right now to link together a few front-end projects, but I am now looking to include a react native app among them. At first I tried just doing the simplest thing: yarn create react-native-app, running lerna bootstrap and hoping for the best. But…

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anyone using Expo Camera on simulators?

simulators throw errors when trying to use the camera ive made a mock camera component but it doesnt create files, so anything downstream breaks i guess it could actually create a file, but i dont want to rebuild expo-camera from scratch …

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Expo Camera render props / function as a child?

React Native Camera has function as a child, but it doesnt look like Expo Camera has that here's the example snack straight from the docs i tried changing the children to a function but no luck …

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