All Questions
1,289
questions
204
votes
19
answers
152k
views
Error Appstore connect : Missing Purpose String in Info.plist File
I've submitted my app for review to the App Store Connect. Although the app is still under review, I've received an email to inform me that I have to fix an error. Here is the content of the message:
...
108
votes
17
answers
57k
views
Xcode 15: Unable to boot the Simulator
I was able to run iOS simulator fine with Xcode 14 and my Mac recently updated the latest version of Xcode which is 15 then I'm no longer able to boot a device from its new simulator.
I did try many ...
107
votes
16
answers
159k
views
React Native iOS and Android folders not present
I'm new to react native, and I've been having some trouble understanding the folder structure of the app which should supposedly be present in the project folder on creation. Basically, when creating ...
91
votes
3
answers
49k
views
Warning : Failed child context type: Invalid child context 'virtualizedCell.cellKey' of type 'number' supplied to 'CellRenderer', expected 'string'
I updgraded from react 16.2 -> 16.3-alpha-1 and react-native 0.52->0.54 and I get the warning above in the simulator.
59
votes
20
answers
136k
views
'expo' is not recognized as an internal or external command
After running npm install -g expo-cli and successfully installing the packages globally, expo is still not recognized as an internal or external command. Does anyone know how I might get around this ...
47
votes
9
answers
24k
views
EAS Build iOS Failure: Authentication with Apple Developer Portal failed [closed]
I'm using EAS to build my Expo app, and today I started getting this error when attempting to run an iOS build, either local or on EAS servers. I'm thinking it's an issue with Apple servers, so I'm ...
44
votes
3
answers
32k
views
App Store - Help answering "Missing Compliance" (using Expo + Firebase)
I'm publishing my app to App Store and I have doubts regarding the "Missing Compliance" step.
Here's some info about the app:
I used Expo (Managed workflow). That means I don't have direct ...
31
votes
1
answer
4k
views
expo.io's BackgroundFetch is not running the defined task
I am currently developing an app for iOS with expo sdk-version 32. I have to call a REST service periodically from my app. In order to do that I tried to utilize the new BackgroundFetch API.
Here is ...
30
votes
1
answer
782
views
React Native - iOS - Local image invisible (works on android)
I'm mapping TouchableOpacity with an Image nested inside of it. It works great on Android but on iOS the image is invisible. There is still a 75x75 touchable opacity that I can tap but the image is ...
29
votes
4
answers
16k
views
expo for ios - 'Unable to determine runtime bundle when booting device
Trying to start an expo project on a Macbook (Mid-2012) and the following error occured:
*** Assertion failure in -SimDevice _onBootstrapQueue_bootWithOptions:error:, SimDevice.m:2057
2021-12-25 21:21:...
25
votes
3
answers
51k
views
How do I run an app on a real iOS device using Expo?
I am using Expo to run my application. I am able to see two options in Expo XDE:
open on iOS simulator
open on Android
I want to run my app by directly connecting to my device. Is it possible with ...
21
votes
3
answers
51k
views
Open react native project in xcode
I'm sure I'm missing something simple. I have a React Native project working and I'm attempting to get it on the app stores. Following those instructions, after I have created my provisioning profile ...
20
votes
1
answer
13k
views
How do I create a diagonal border in React Native?
I'm working on building a React Native app based on designs from our designer. The design has several places where there are buttons or shapes with one diagonal line (see the following example). I'...
19
votes
3
answers
31k
views
Where is info.plist for React Native projects run in Expo for the purpose of callback URLs?
I am handling OAuth requests in my iOS React Native application. This application is contained and launched through Expo. I want to add in a custom callback url, so that I can return back to the ...
18
votes
9
answers
27k
views
fatal error: module map file YogaKit.modulemap not found
I am trying to build an iOS app and get this error. I have the project, target, and podfile all specifying iOS deployment target of 14.2. I am using Xcode V12.2.
fatal error: module map file '/Users/...
16
votes
3
answers
23k
views
Disable Debugging in Expo For React Native App
So I've opened up my react-native app in Expo today (using the iOS simulator) and I am creating by what looks like a debugging overlay.
Screenshot here:
I don't need this and it's blocking some of ...
16
votes
1
answer
15k
views
How to change App Display Name in Expo Managed app after publishing to App Store?
We have an Expo managed app. Initially we’ve set expo.name to Bridge - Debit Card in app.json file. We successfully released it into both stores - App Store and Google Play.
But later we noticed that ...
12
votes
5
answers
13k
views
How to fix react-native error after updating expo to 50.0
When I run npm run ios in terminal, I get the below error
error: node_modules/expo-router/entry.js: [BABEL]: expo-router/babel is deprecated in favor of babel-preset-expo in SDK 50
I tried to ...
12
votes
3
answers
7k
views
Expo on iOS is constantly refreshing my React Native app on MacOS, caused by Dropbox / iCloud
I'm building a simple React Native app and using the Expo iOS app to run it. But Expo is constantly refreshing my app, making it unusable / untestable. It refreshes every few seconds, sometimes ...
12
votes
3
answers
6k
views
React Native - Disable Password AutoFill Option on iOS Keyboard
In React Native, how do you disable or prevent the keyboard from displaying the Password Autofill accessory view option? There doesn't seem to be an property for TextInput that handles disabling this ...
12
votes
3
answers
11k
views
ScrollView can not scroll to the bottom when keyboard is open in react-native.[IOS]
Scrollview is working fine when keyboard is closed. But when the keyboard is open, it's not scrolling to the bottom. It's working fine in Android, though. The issue is only with iOS.
If I use react-...
11
votes
8
answers
41k
views
Value for title can not be cast from ReadablenativeMap to string
Consider:
InsertDataToServer = () => {
const { pinValue1 } = this.state;
const { pinValue2 } = this.state;
const { pinValue3 } = this.state;
const { pinValue4 } = this.state;
var String_3 ...
11
votes
13
answers
36k
views
There was problem loading requested app.it looks like you may be using LAN URL
I am not able to compile my project through expo.I have followed all steps to eject expo for run the app in iOS.Please find below error screen shot for your reference.enter link description here
11
votes
2
answers
5k
views
Firebase Firestore emulator on physical IOS / Android device
I'm trying to get the Firebase - Firestore database emulator to work on my physical IOS device via the Expo application while I develop.
I can get Localhost to work in a browser and 10.0.2.2:(8080) to ...
11
votes
4
answers
10k
views
How to fix pod install error glog is too old or missing react native ios in windows 10
I wanted to detach expo in my expo project to get the bare react native project after expo detach i run pod install bring me this error that during installing glog that script is too old or is missing ...
11
votes
3
answers
6k
views
No such module 'OneSignal' - XCode Swift Compiler Error
I'm currently trying to add OneSignal to my react native expo (bare) IOS build and have followed OneSignal's guide as shown here: https://documentation.onesignal.com/docs/react-native-sdk-setup
...
10
votes
4
answers
22k
views
How to play Youtube videos using Expo
I am trying to use the react-native-youtube component in my expo project. However, I couldn't get it to work. All I have so far is a black screen with red borders. I tried following the video ...
10
votes
3
answers
10k
views
What is the difference between react-native cli and Expo with Bare workflow? [closed]
I am going to build a very big application with multiple complex functionalities. but I am stuck on bellow points -
What is the difference between react-native cli and Expo with Bare workflow?
what ...
10
votes
4
answers
16k
views
How to change the root view background in a managed expo app?
With the introduction of Page Sheets in iOS 13, there is a white background in my app that I cannot seem to be able to change (behind the white Page Sheet, and the grey top of the underlying page):
...
10
votes
3
answers
3k
views
Expo app iOS discribution certificate expired - how do I assign a new one?
Its been about a year since I first put my app in the iOS app store. I have recently got the following message appear in my inbox.
Your iOS Distribution Certificate will no longer be valid in 30 ...
10
votes
4
answers
13k
views
Can't archive with Xcode (error - PhaseScriptExecution failed with a non zero exit code), but the build is successful
I am sorry for the black marks in the image.
I have seen multiple posts suggesting an answer to this problem, Lock unlocks keychain (tried it), pod Update (tried it), clear build(tried it), signing, ...
9
votes
2
answers
10k
views
expo EAS build (iOS) fails in Pod installation step (SDK45 & 46)
I am trying to build iOS app (simulator) from expo managed project. The build fails At Pod installation step.
In Expo SDK 44 everything is okay. But when I upgrade to SDK 45 or even 46, I am facing ...
9
votes
5
answers
12k
views
React native: TypeError: null is not an object (evaluating 'SplashScreen.preventAutoHide')
My react native app was working just fine before I used expo eject. I ejected it because I now intend to build and release the app to the ios app store. As soon as I attempt to start the ejected app ...
9
votes
4
answers
17k
views
react-native statusBar with expo on iOS
I was trying to change the color of the statusBar on my react-native app.
I am working with expo and on their documentation they are just specifying to add :
"androidStatusBar": {
"...
9
votes
1
answer
18k
views
How to customize icon of expo push notifications?
I'm sending push notifications to an expo app, and I would like to customize the icon of the notification. How can this be done?
9
votes
1
answer
4k
views
Firebase Firestore missing or insufficient permissions using Expo (React Native)
I've been using FireStore for a project that works fine in the browser, but when I port the code to Expo, running on a iOS 11.2 iPhone X in the simulator, it keeps raising Error: Missing or ...
9
votes
2
answers
1k
views
Expo React Native IOS TestFlight. (Errors occurred in the app thinning process)
When I try to deploy my application on the Apple test flight I get this email from apple.
While processing your iOS app, xxxxxxx 1.0.149(1), errors occurred
in the app thinning process, and your app ...
9
votes
0
answers
2k
views
How to access internal storage using Expo.FileSystem to save file in any directory that i wish?
I am using Expo.FileSystem here and I have to download file from my api and save it to my Videos folder in internal storage.
I have to save the file to my videos folder and not in FileSystem....
8
votes
3
answers
22k
views
Change Expo Generated Application Icon
I am trying to change Expo generated iOS and Android Apps Icon, but I can't.
I have uploaded the icons to Google Play and App Store, and still it displays Expo Icon instead.
Any suggestions?
8
votes
6
answers
3k
views
expo build:ios throws Reason: Unknown reason, raw: "SSL_connect returned=1 errno=0 state=error: certificate verify failed"
Yesterday I managed to run the command expo build:ios successfully but this morning it just won't work, I get the following error message after entering my credentials:
Trying to authenticate with ...
8
votes
1
answer
2k
views
Getting error when building iOS app by using EAS (Expo Application Services)
I am creating an Expo app, which I plan to publish to the app store. I have published it to the Android store so far. When I build the iOS app using EAS, I get this error, which is coming from Swift ...
8
votes
3
answers
6k
views
JSON value of type NSString cannot be converted to a ABI38_0_0YGValue
Some hours ago, my expo/ React Native app was running perfectly fine locally.
However, in order to deploy the app, I had to delete the whole node_modules folder and run npm install to resume it. Since ...
8
votes
1
answer
3k
views
Expo / React-Native, Is it there a way to test-run standalone iOS apps on a device/simulator?
I'm using Expo to code my apps with React-Native. I can test my apps on Android devices running them from the Expo client app or building an APK and running it as standalone.
On iOS I can run my app ...
8
votes
6
answers
8k
views
Expo SDK 46 iOS build failed in fastlane step
I am trying to build iOS app from expo managed project. The build fails At fastlane step.
In Expo SDK 44, 45 everything was okay. But when I upgrade to SDK 46, I am facing the issue.
Here is my ...
8
votes
2
answers
5k
views
Expo - Disable Autofill Strong Password (autofill) on iOS 12
On my application working on Expo, I would like to disable this functionality (strong password ios 12) : https://developer.apple.com/videos/play/wwdc2018/204/
To be short, I would like to avoid this (...
8
votes
0
answers
248
views
Expo Application Services (eas) upload release notes
We are thinking of using Expo Application Services to build and then submit our builds to both app store and the play store.
All seems pretty straightforward, however, there is one piece that we can't ...
8
votes
1
answer
825
views
Expo build:ios Something went wrong when trying to ensure App ID exists on Apple Developer Portal
I'm trying to run build:ios on expo, when I select the
? Will you provide your own Apple Push Notifications service key? Let
Expo handle the process
It throws an error tells me I don't have ...
8
votes
0
answers
2k
views
How to send TLS client certificates from a React Native app?
I have a React Native application deployed on devices, and they need to communicate with an endpoint requiring TLS mutual authentication: I need to send a TLS client certificate along with the request....
8
votes
1
answer
6k
views
How to use QR Code to open AppStore or deep link an app?
I'm currently developing an app that uses QR code to identify products. Here are the use cases:
If user hasn't installed the app, scanning the QR code should take them to AppStore / PlayStore to ...
8
votes
4
answers
10k
views
Failed authentication in Apple Developer Portal when execute expo build:ios
I'm trying to config automatically build iOS apps using Expo through Gitlab-CI.
This are the commands that I am using:
expo login -u expo_user -p expo_pass
expo build:ios --non-interactive --apple-id ...