All Questions
186
questions
7
votes
2
answers
13k
views
Expo - React Native - Metro Config File
I am building an app with React Native and using Expo CLI. I am having a problem with missing assets once the app is built and testing on test flight. I am getting the error below. I have read ...
- 249
7
votes
1
answer
12k
views
How to generate a .ipa file from Expo build and sideload on to real device?
I'm developing a mobile app for my final year project in university using React Native and Expo. I was able to generate a .apk file using expo build:android and then selecting the 'apk' option. I ...
- 179
6
votes
1
answer
7k
views
How to handle recurring push notification reminders in React Native
I'm working on a React Native app where I need to send recurring push notifications at specific times. So for example, the user will toggle the app to remind them to do task X every day at 12:00pm and ...
- 1,439
4
votes
2
answers
27k
views
React Native Expo - Custom Fonts Not Loading With Font.loadAsync
I'm up to date on the latest Expo version but for some reason, I can not get a simple custom font going. Here is a fresh project I set up attempting to get a custom font installed.
import React, { ...
user14263509
4
votes
1
answer
2k
views
Does expo-dev-client build auto reload?
I'm trying to use expo-dev-client to develop my app. The app hasn't contained native dependency yet.
After following the set up in the Expo document, I lasted run the command '''eas build --platform ...
- 95
4
votes
1
answer
1k
views
Custom modal/sheet is behind in react native expo router stack screen that has a representation set to modal
Im just learning react native and i used expo on top of it.
I have screen create.js that set the presentation on screen option to "modal", Now in this screen i have to use SELECT input for ...
4
votes
0
answers
189
views
React Native - EAS submit IOS app Invalid Swift Support
My issue: I am using eas to build and submit IOS to the apple store, everything is fine until I upload the build to the apple store, I get an email like this: ITMS-90426: Invalid Swift Support - The ...
4
votes
0
answers
473
views
Expo - Run background tasks when the app is closed
Im creating an app that wants to run one task a day, i used
Background Fetch alongside with Task Manager, and that works great when the app is in background. But i dont want to ask the user to leave ...
- 41
4
votes
0
answers
848
views
I'm getting very low accuracy from getCurrentPositionAsync(), sometimes more than 2000m. How could I improve this?
I’m working on an app that needs to save user's current position. The user is not really moving much, think fishing or birdwatching... they'd approach the spot and they stay there for a while, take a ...
4
votes
0
answers
1k
views
React-native expo vector icons not showing on android
In my code I have the following import statement:
import { FontAwesome, Ionicons } from '@expo/vector-icons';
and I am using it like this:
< Ionicons name='md-checkmark-circle' size={50} />
...
3
votes
1
answer
4k
views
How do I save an image from expo-image-picker to expo-file-system and then render it?
I am trying to store selected images within the application, as opposed to in the image roll.
Here is what I have tried:
await FileSystem.downloadAsync(
imageUri, // the image uri from expo-...
- 1,202
3
votes
0
answers
109
views
How to make a Button in iOS control centre for my app in React Native Expo?
I want to make a button displayed in control centre on ios devices to make a shortcut for a function in my app. I don't know where to start to make this button so is there any library or forum to ...
- 61
3
votes
0
answers
1k
views
SSL error: The date of the certificate is invalid , React Native WebView
so im using expo to develop an android application , i want to display a web page on the screen using WebView and I keep getting this error :
Encountered an error loading page, Object {
"...
- 51
3
votes
1
answer
1k
views
TypeError: Cannot read property 'replace' of undefined - Not sure where it's originating as I don't use replace in the repo
When I run my expo project I am getting a console warning stating.
TypeError: Cannot read property 'replace' of undefined
at matchFileNameOrURLFromStackTrace (/usr/local/lib/node_modules/expo-cli/...
- 127
3
votes
0
answers
949
views
Expo - increase location accuracy with Geofence
I could really use some help improving the accuracy of the Geofencing feature. If you look at the following screenshots you can see my location and the location of circle and marker which share the ...
user11658819
3
votes
1
answer
308
views
How to make standalone app from ejected expo project
everyone.
I have ejected expo project.
It works well on local.
To make standalone app, I execute the command "expo publish" and then make the apk file from android studio.
And install this apk file on ...
- 404
3
votes
2
answers
5k
views
React Native Modal is not drawn below the StatusBar on Android
In React Native (With EXPO), I'm showing a Modal.
The Modal gets drawn behind the StatusBar in iOS but it's not happening on Android.
Do you know why? I could not find any solution for this.
The ...
- 1,889
3
votes
2
answers
566
views
React Native Expo force RTL on LTR default system language
I have an Expo application that is meant to be only in HE, and the RTL does not work in some situations.
On devices that use RTL system language, HE works fine, but when the system language is EN (or ...
- 43
2
votes
4
answers
2k
views
How to hide ad banner offline or when no ad could be loaded - in React Native with Expo?
I implemented ads with the expo and admob in my react native app, but I would like to get rid of the blank/blocking space when no ads are being loaded. Haven't found any examples for that. (other than ...
- 472
2
votes
1
answer
2k
views
How can I remove pages that I don't want to appear on the bottom bar in expo router
I am using expo's own router structure. in the layout it automatically adds pages to the bottom bar, I want to remove some pages.
2
votes
2
answers
561
views
Audio Blob in React Native Expo not working
I'm making an API call to the Eleven Labs API and then access the data to get back the following blob:
{"_data": {"__collector": {}, "blobId": "C3F1259A-B9CD-40D9-...
2
votes
3
answers
4k
views
A PDF viewer for Expo with React Native
Does Expo have a way to view a PDF and jump to a specific page in said PDF. I've looked into https://www.npmjs.com/package/react-native-pdf but i found it to be incompatible with expo given its use of ...
2
votes
4
answers
1k
views
Error trying to decode a Token using jwt-decode
I am trying to establish communication between two projects. In one project, I have created an API called voll-api-nodejs, and the other project voll-mobile is the one consuming data from this API.
In ...
2
votes
2
answers
928
views
When the app made with Expo is open on, it does not go to sleep mode, it stays open all the time
I uploaded the app to the appstore. According to the feedback I get, the screen stays on all the time. How can I solve this problem?
I wondered if the screen stays on because the devclient is open. ...
- 31
2
votes
2
answers
4k
views
Expo React Native app. Error using expo-secure-store methods [The method or property SecureStore.setItemAsync is not available on ios]
I've followed expo documentation to include this library to my expo managed react native application. SecureStore
I am using:
expo: 44.0.5
react-native: 0.64.3 (SDK 44)
expo-secure-store: 11.1.0
expo-...
- 113
2
votes
1
answer
1k
views
expo static server - how to host a file and get url on local server
in duofolio, https://github.com/farshed/duofolio/blob/master/src/screens/EpubReader.js
we create a static local server to host and later get the file using http.
let newServer = new StaticServer(0, ...
- 155
2
votes
1
answer
616
views
EXPO / EXPO GO IOS APP: Filed to parse manifest. The operation couldn't be copiled (EXUpdates.UpdateError error 1)
I have a problem with expo go application on IOS device (Android is working). When i try to connect to my project using expo start or expo start --tunnel it throw following error: error in expo go ios ...
- 21
2
votes
0
answers
141
views
Having trouble starting up my react native project on expo and/or android emulator
[object Object]
WARNING in ./node_modules/expo-router/src/exports.ts:26
export 'ErrorBoundaryProps' (reexported as 'ErrorBoundaryProps') was not found in './views/Try' (possible exports: Try)
24 | ...
- 21
2
votes
0
answers
726
views
react native android studio build failed
I had a project at react-native expo, I did a prebuild and tried to run it in android studio after installing all the dependencies for android studio, but it gives an error when building
* What went ...
- 21
2
votes
0
answers
1k
views
Error when installing expo in bare react native project. Build keeps failing
I am fairly new to mobile dev with react native. I started a bare react native project and I'm currently experiencing an error when trying to install expo, so I can use the expo camera library.
...
2
votes
0
answers
190
views
Implementing Neumorphism UI in React Native Expo Managed Flow
I am trying to implement Neumorphism components by referring this Website
I had installed all the dependencies. But it is not working. Can anyone let me know whether this library could work at Expo ...
- 83
2
votes
1
answer
552
views
Get all pixels of an image in react native efficently
I try to receive all pixel information (RGB data) from an image.
Right now i got it working by using react-native-canvas, drawing the image and using getImageData() to receive the RGB-Values.
But this ...
- 121
2
votes
0
answers
179
views
Smoooth looping of audio track in my react native app?
I'm building an audio player as a mobile app using React Native and aiming to achieve perfect transition i.e audio to next audio without any silence, when looping. There's a heart beat, half second ...
- 21
2
votes
0
answers
279
views
Malformed calls from JS: field sizes are different. React Native Error. Expo
I'm trying to create an expandable banner based of this:
https://moduscreate.com/blog/expanding-and-collapsing-elements-using-animations-in-react-native/
It seems to be when I add this code for ...
2
votes
1
answer
451
views
Getting warning for Promise Rejection when upgrading from expo 32 to expo 33
While loading images, I am getting warning for not handling promise rejection after upgrading to expo SDK 33 from 32. Did anybody got this type of warning after upgrading to expo 33.
Though I am able ...
2
votes
1
answer
115
views
How to fix react native expo starting code?
When I type the normal expo code and start my project, I get the following error:
npm ERR! path git
npm ERR! code ENOENT
npm ERR! errno ENOENT
npm ERR! syscall spawn git
npm ERR! enoent Error while ...
2
votes
0
answers
101
views
Building ExpoKit for Distribution
I have an ExpoKit app running and ready to be distributed. While I'm confident with the building process for normal Expo apps I have never built ExpoKit apps and would like a step-by-step guide for ...
1
vote
2
answers
1k
views
How to integrate React Native KeyEvent with Expo?
I am looking for a way to get input data from device's hardware barcode scanner. I found a library that reportedly can get the job done, which is React Native KeyEvent.
However, the instructions ...
- 6,560
1
vote
1
answer
1k
views
React Native can't fully hide Webview
I am using webview to play an mp3 file in the background. However even though I give it a width, height of zero, and an absolute position, it still covers up space and pushes other components on the ...
- 62
1
vote
1
answer
2k
views
Setting map region based on current location
i would really appreciate some help with this issue.
Basically i am trying to pass my current latitude and longtitude via var1 and var2 into the coordinates of the initial region. However, upon ...
- 397
1
vote
1
answer
1k
views
How to disable/remove IDFA tool(s) from Expo project
I am submitting react native(expo) project to app store. I got to the step where I am told that my app uses IDFA and I had to tick some boxes so that I can confirm that I am using them which in fact ...
- 1,357
1
vote
1
answer
1k
views
PluginError: Package "expo-font" does not contain a valid config plugin
$ npx expo start
Starting project at C:\Users\Sanjar\Desktop\FIP\vroom-vroom
PluginError: Package "expo-font" does not contain a valid config plugin.
Learn more: https://docs.expo.dev/guides/...
1
vote
1
answer
204
views
Expo creates build with wrong version code
I'm trying to deploy a new version of my app on Google Store, but expo creates the build with the same version code.
I incremented the versionCode from 1 to 2.
"android": {
"package&...
1
vote
1
answer
416
views
Expo imagepicker pops up twice after permission is granted on iOS
I'm currently using the Expo imagepicker and it works well on Android phones. However, when choosing the "Select Photos" option on iOS, the photo gallery pops up again after permission is ...
- 144
1
vote
1
answer
694
views
React Native and WalletConnect (Uncaught Error: null is not an object (evaluating 'RNRandomBytes.seed'))
I want to use WalletConnect on my ReactNative app. As the WalletConnect docs say, I'm using
npx rn-nodeify --install --hack (for introducing support for Web3) in an existing project.
Of course, I'm ...
- 256
1
vote
2
answers
981
views
blocked by play protect on huawei AppGallery
I wanted to publish the application that I published on google play to huawei appGallery. I used the same .aab file. I extracted this aab file with expo react native and expo managed the signature. I ...
- 194
1
vote
4
answers
780
views
How can i make a text fit in a button regardless of the user font size?
I have a button with a title that fits perfectly in my phone, but I received some issues from other people with bigger font sizes, where the text gets cropped because the button background is too ...
- 65
1
vote
1
answer
289
views
React native - change state of dynamic elements
I'm trying to loopover an array to render items in a list (in react native). Every item has a button. How can I change the background color of this specific button, when someone clicks it?
I already ...
- 11
1
vote
0
answers
19
views
Expo React, use hook from outside a export default func app
I need assistance with expo and react Hooks
I need to manipulate the hook display (profil.tsx) from outside an app export. From the last file login.js from a regular JS function.
Is there a way I can ...
- 13
1
vote
0
answers
40
views
Unable to style the track for @ptomasroos/react-native-multi-slider
I am trying to change the color of the two thumbed Multislider but to not avail. It is stuck at the default color of blue.
I have tried backgroundColor = '#008080',the desired color, but nothing ...
- 11