NativeModule.RNDeviceInfo is NULL

vlvikin · April 3, 2020, 11:02am

"expo": "~36.0.0",
"react": "~16.9.0",
"react-native": "~0.60.23",

I am trying to use ‘react-native-device-info’ libary, but I take this error:

Developers says that this is propblem with expo:

github.com/react-native-device-info/react-native-device-info

NativeModule.RNDeviceInfo is NULL on RN 0.59.8 (Expo SDK 34)

opened 09:13AM - 05 Sep 19 UTC

closed 10:32PM - 05 Sep 19 UTC

Feijo

# Bug Trying to use react-native-device-info for the first time and I'm getting… this error when the application tries to start up: node_modules\react-native\Libraries\Core\ExceptionsManager.js:74 @react-native-community/react-native-device-info: NativeModule.RNDeviceInfo is null. ## Environment info expo: 34.0.4 react: 16.8.3 react-native: 0.59.8 React native info output: ```bash System: OS: Windows 10 CPU: (12) x64 Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz Memory: 21.36 GB / 31.88 GB Binaries: Node: 10.16.2 - C:\Program Files\nodejs\node.EXE Yarn: 1.17.3 - ~\AppData\Roaming\npm\yarn.CMD npm: 6.11.2 - C:\Program Files\nodejs\npm.CMD IDEs: Android Studio: Version 3.5.0.0 AI-191.8026.42.35.5791312 info React Native v0.60.0 is now available (your project is running on v0.59.8). info Changelog: https://github.com/facebook/react-native/releases/tag/v0.60.0. info Diff: https://react-native-community.github.io/upgrade-helper/?from=0.59.8. info To upgrade, run "react-native upgrade". ``` Library version: 2.3.2 ## Steps To Reproduce 1. Create a basic RN + Expo application 2. Install the package by running `npm install --save react-native-device-info` 3. Run `react-native link react-native-device-info` to create link 4. Execute the application via expo by running `expo start --android` I've also created a react-native.config.js and placed it in the root of my project: ```js module.exports = { dependency: { 'react-native-device-info': { platforms: { android: { packageInstance: 'new RNDeviceInfo(false)' } } }, assets: ['./assets/fonts'] } }; ``` I also tried removing the folder node_modules and package-lock.json and reinstalling everything, same result.

wodin · April 5, 2020, 8:22am

Yes, you would need to eject if you want to use this module.

dorapax · April 1, 2021, 6:29pm

@wodin why is that ? Is this a bug in expo ?

notbrent · April 1, 2021, 6:33pm

use expo-device: Device - Expo Documentation

read about managed workflow here: Workflows - Expo Documentation

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NativeModule.RNDeviceInfo is NULL

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