All Questions
493
questions
50
votes
9
answers
37k
views
expo + react-native: There was a problem sending log messages
I am building a react-native app that I recently moved to expo. The app seems to display the expected screen, but before it completes, I am receiving the following error message: console.error: "...
- 1,785
32
votes
4
answers
55k
views
How to build expo apk using eas build
After updating expo it no longer supports building apk files using expo build:android -t apk and instead advices to using eas builds using the command eas build -p android --profile preview but it ...
- 556
29
votes
9
answers
28k
views
spawn yarnpkg ENOENT
This happens when I run expo install expo-permissions
It explicitly returns me
Installing 1 SDK 35.0.0 compatible native module using Yarn.
yarn add expo-permissions@~7.0.0
spawn yarnpkg ENOENT
Set ...
- 489
23
votes
4
answers
23k
views
"TypeError: minimatch is not a function" error when running new expo project
I have the following libraries installed on my M1 Macbook running Ventura 13.3.1:
$ nvm -v
0.39.3
$ node -v
v18.16.0
$ npm -v
9.6.4
$ npx expo -v
0.7.0
I generated a new expo project using the ...
- 5,273
15
votes
7
answers
21k
views
`Firebase` package was successfully found. However, this package itself specifies a `main` module field that could not be resolved
I'm trying to read and write to firestore, use firebase's authentication, and firebase's storage within a expo managed react-native application.
Full Error:
While trying to resolve module `firebase` ...
- 151
14
votes
7
answers
11k
views
npm install -g expo-cli fails with "EPERM: operation not permitted, unlink '...\adb.exe'
I receive an error when running
$ npm install -g expo-cli
I have tried reinstalling the node modules as An Administrator but the same error occurs.
Environment:
Windows 10,
Node Version: 10.15.3,
...
- 482
14
votes
4
answers
9k
views
Unable to get started with a new Expo project | Node.js version 14.0.0 is no longer supported
I am just getting started with Expo and trying to create my first project. I installed Node.js (v14.0.0) via Homebrew, and installed installed expo-cli using npm by running the following command as ...
- 1,640
13
votes
5
answers
26k
views
React Native Expo - Node.js version 11.13.0 is no longer supported
I'm using Expo with React Native but when trying to create a new project I get the error:
ERROR: Node.js version 11.13.0 is no longer supported.
expo-cli supports following Node.js versions:
* >=...
- 12.2k
13
votes
4
answers
18k
views
Can't run 'expo start' on a expo-react-native app, permission problem
Well, i see that already have many questions related to my problem on this site, but i also see that NONE of the solutions work for my specific case, because of that, i am opening that question, so it ...
- 3,187
13
votes
2
answers
7k
views
I can't run my expo project since I updated expo-sdk
When I try to run my expo project I get this message:
D:\React\myproject>npm start
> start
> expo start
Starting project at D:\React\myproject
Unable to find expo in this project - have you run yarn ...
- 131
13
votes
7
answers
27k
views
"Error: Cannot find module 'metro-core'" when starting an Expo project
Whenever I start Expo Go with the expo start command, this error appears :
Error: Cannot find module 'metro-core'
Require stack:
- /usr/local/lib/node_modules/expo/node_modules/@expo/cli/build/src/...
- 191
12
votes
5
answers
26k
views
npm install fails (unable to resolve dependency tree)
Trying to reduce any changing variables and using a fresh pull of my code. They are no node-module packages or package-lock.json. I run npm install I get this error:
npm ERR! code ERESOLVE
npm ERR! ...
- 671
11
votes
7
answers
17k
views
Expo React Native App crashing on android
Ever since I started programming in React Native with Expo, I have been using an ios physical device together with Expo app. I never had any major issues.
Now i wanted to start fixing any bugs on ...
- 323
11
votes
2
answers
6k
views
How to implement Video and/or Audio calling in React Native Expo application
I am building a react native application using Expo and i need to add audio calling and video calling functionalities, however it seems that i cant use react-native-webrtc (Link here) without ejecting ...
- 932
9
votes
1
answer
8k
views
react native - absolute import with alias name in package.json
I saw some projects using import '@someDir/something', which solves the relative import evil.
Then I found this blog post talking about this method. It basically tells you to create package.json in ...
- 992
8
votes
5
answers
37k
views
How do I properly install expo-cli with yarn?
I'm trying to install expo-cli.
When I use npm install -g expo-cli, it installs with the below output.
When I try to run the expo command I get an error that the system cannot find the path ...
- 2,878
8
votes
2
answers
9k
views
Metro-Bundler doesn't automatically open
I'm new to react native and just started with the installations and set up; when I reach to the expo start or npm start] command, in most videos it shows that a page automatically opens on browser ...
8
votes
2
answers
10k
views
How to change the hash function in webpack-config.js when using create-expo-app?
Following this guide: https://stackoverflow.com/a/73465262/13176156
I tried the two options given in the answer, but they both did not work. I installed @expo\webpack-config and implemented the ...
- 83
7
votes
3
answers
13k
views
axios.post() error about circular structure
Please guide me in case I'm not in proper use of axios. This simple piece of code can directly run:
const axios = require('axios')
axios.post('https://exp.host/--/api/v2/push/send', {"to":[...
- 508
7
votes
4
answers
3k
views
Facing error (0 , (_wordwrap || _load_wordwrap(...)).default)(...)(...).trimStart is not a function on expo init
I am trying to create react native application with Expo. As per react native official documentation, I have installed Node 8+ (v8.12.0) & expo-cli on my windows system and then run command expo ...
- 533
7
votes
4
answers
25k
views
Expo Cannot Find Module after reinstall
I'm having issues getting expo to start. It tries to open dev tools and dev tools will not open and gives me this error:
Cannot find module 'C:\Users\charl\AppData\Roaming\npm\node_modules\expo-
...
- 357
7
votes
4
answers
955
views
ExpoPushTicket does not contain the corresponding PushToken in case of error, how to know which pushToken is causing error to remove it from database
I am trying to send push notifications to more than one users of my app (pretty common to send more than one users. e.g notifying all users of a new feature).
When sending notifications, ...
- 750
7
votes
1
answer
2k
views
Expo SDK 46 throwing CMAKE error when syncing Gradle
I am have managed to replicate this across 3 different repos. I am trying to sync the gradle project in Android studio from a bare Expo project but I keep getting his with the below error
CMake Error: ...
- 127
7
votes
0
answers
418
views
How do I resolve "Invariant Violation: "main" has not been registered" - After expo eject - React-Native
After I did 'expo-eject' to my project,
When I try to use this command: " react-native run-android "
This is what i get :
node.js version: v12.18.0
React-Native version:
react-native-cli: 2.0.1
...
- 71
6
votes
2
answers
14k
views
Axios POST request sending nothing with 'multipart/form-data' [React Native - Expo]
Scenario
Front end is basically a React Native (Expo) application where users can issue a report - this includes taking multiple photos and filling in some details.
Backend is just node.js, with ...
- 143
6
votes
4
answers
12k
views
'expo start' or 'npm start' command stuck at ''Starting metro bundler"
I am using react native expo for building mobile app. I followed below steps:-
expo init myapp
cd myapp
expo start
After running above 3 commands everything was working fine few days ago. But from ...
- 155
6
votes
1
answer
2k
views
Module `scheduler` does not exist in the Haste module map
I am trying to run existing expo project.
I've cloned it and ran yarn and then expo start. and got this error:
Unable to resolve module scheduler from /path-to-project/node_modules/react-native/...
- 81
6
votes
1
answer
20k
views
package.json path don't exist after expo start was run
I get the below information in the terminal once I run expo start in the terminal. Before expo start I have run:
repository was coppied into the folder
npm install -g yarn
npm install --global expo-...
- 842
6
votes
0
answers
624
views
Internet loss on host after running intensive app (e.g. expo-cli, create-react-app servers, etc)
I'm having a bit of a problem and I'm having a really hard time of looking up info on the web.
The problem
When running network-intensive applications from WSL, after a while Windows 10 loses ...
6
votes
1
answer
8k
views
How to pass parameters to routes using a Tab Navigator NOT stack navigator
Im using the react navigation library, specifically createBottomTabNavigator
The docs at https://reactnavigation.org/docs/en/params.html explain how to pass parameters between routes using a stack ...
- 799
5
votes
1
answer
4k
views
I'm trying to reinstall expo-cli package globally with the command sudo npm install --g expo-cli note that I try --force
bosshoc@MBP-de-BOSS meals-app % sudo npm install -g expo-cli
Password:
npm ERR! code ENOTEMPTY
npm ERR! syscall rename
npm ERR! path /usr/local/lib/node_modules/expo-cli
npm ERR! dest /usr/local/lib/...
- 51
5
votes
1
answer
8k
views
Failed to find the instance of sharp used by the global sharp-cli package
When attempting to run Expo for web I get the error "Failed to find the instance of sharp used by the global sharp-cli package" after creating a file namedwebpack.config.js in the root of my ...
- 1,175
5
votes
7
answers
23k
views
npm ERR! cb() never called
I was trying to download expo cli and I got error:-
C:\WINDOWS\system32>npm i -g expo-cli
npm ERR! cb() never called!
npm ERR! This is an error with npm itself. Please report this error at:
npm ...
- 115
5
votes
4
answers
13k
views
File upload from React Native ( expo ) to Node ( multer )
How can I upload a file( pdf, docs etc) from React Native using expo to the server using node. I've seen many examples for images using the expo image-picker api but I've come across none that uses ...
- 173
5
votes
2
answers
12k
views
Expo React Native: expected version range: ~6.0.0 - actual version installed: ^5.0.1
After updating Expo SDK 33 to 34, I started noticing an error about several expo npm packages having to be at least v6.0.0...
$ expo start -c
Starting project at /Users/nyxynyx/expoapp
Expo DevTools ...
- 62.8k
5
votes
1
answer
2k
views
Redirect existing website link to app expo react native
I have an app that has some payment sandbox. I am using "expo-linking" Linking.openURL(sandboxURL) to open the unique payment link on a browser everytime user wants to buy the product.
If ...
- 121
4
votes
3
answers
6k
views
I am getting this error : error listen EADDRINUSE: address already in use :::19000. What to do?
Developer tools running on http://localhost:19002
Opening developer tools in the browser...
Starting Metro Bundler
error listen EADDRINUSE: address already in use :::19000.
Error: listen EADDRINUSE: ...
4
votes
3
answers
5k
views
Npm/Yarn Not installing properly and giving issues
node ./postinstall.js
ngrok - error unpacking binary Error: You cannot extract a file outside of the target path
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! @expo/[email protected] ...
4
votes
11
answers
14k
views
npm start fails after npm install
i create a sample project with (my os : Windows 10 ) ;
expo init test
cd test
npm start
everything works well and i can see my app on phone and my package.json looks ;
{
"name": "empty-project-...
- 337
4
votes
3
answers
3k
views
npm error when trying to run "npx create-expo-app expoApp"
I am trying to setup an expo project put npm fails to do it. It does create necessary base file like APP.js and so on, but nothing else
here is the error itself:
npm ERR! code ENOENT
npm ERR! syscall ...
- 43
4
votes
2
answers
3k
views
Expo gets stuck during install with npm but installs with yarn and doesn't work
When I try installing expo using npm install -g expo-cli, it gets stuck for hours here - expo-cli error
npm WARN deprecated @hapi/[email protected]: joi is leaving the @hapi organization and moving back to '...
4
votes
5
answers
8k
views
Getting the following error while executing expo init command
Installing dependencies...
npm WARN deprecated [email protected]: core-js@<2.6.5 is no longer maintained. Please, upgrade to core-js@3 or at least to actual version of core-js@2.
npm ERR! path git
npm ...
4
votes
2
answers
8k
views
Expo-cli is installed but "-bash: expo: command not found"
I'm new to expo-cli and keep running into this on the terminal
expo init myproject
-bash: expo: command not found
First, I tried uninstall and installing via
sudo npm uninstall -g expo-cli &&...
- 3,301
4
votes
1
answer
282
views
double slashes in scheme rather than tripple
App was opening fine with myapp:// scheme. Suddenly it stopped opening with myapp:// scheme. I called Linking.makeUrl() and it returned myapp:///. Now when i open myapp:/// scheme the app works fine. ...
- 493
4
votes
1
answer
11k
views
expo init showing Error in downloading and expracting due to TypeError
I installed expo-cli in ubuntu using npm install --global expo-cli and it installed with some warning.
npm WARN deprecated [email protected]: See https://github.com/lydell/source-map-url#deprecated
...
- 369
4
votes
1
answer
920
views
Installing expo-cli: Could not resolve dependency:
npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR!
npm ERR! Found: [email protected]
npm ERR! node_modules/expo-cli/node_modules/type-fest
npm ERR! type-fest@"^0....
- 329
4
votes
0
answers
282
views
Using third party npm library which using crypto in Expo
In our expo mobile application we need to install NPM package which have crypto dependency. Is it possible to replace that with expo-crypto library.
So that instead of NODE's inbuilt crypto library, ...
- 51
4
votes
0
answers
475
views
expo-detox-hook is not installed in your osx Library (Expo + Detox + Travis)
ERROR
Travis build fails with the following error
expo-detox-hook is not installed in your osx Library. Run `npm install -g expo-detox-cli && expotox clean-framework-cache && ...
- 191
4
votes
0
answers
1k
views
React Native - Expo Audio API Issue with remote audio uri: “The server is not correctly configured”
Using the Expo audio API, I’ve run into an issue playing an audio file from a remote server url. During troubleshooting, I manually copied the file and tested require(local_file_path) and that worked ...
- 157
4
votes
0
answers
680
views
FormData POST request throws Network error
I have a react native app that allows users to upload images to the server along with additional data.
I'm using NodeJS and ExpressJS as my backend framework. The route for posting images:
router....
- 63