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REACT-NATIVE QUESTIONS

NativeModule: AsyncStorage is null, with @RNC/AsyncStorage
NativeModule: AsyncStorage is null, with @RNC/AsyncStorage
it should still fix some issue This error can be rectified by linking the module like mentioned above but linking does not work if your app is Expo Managed (created via expo-cli). Assuming your app is Expo managed, instead of using the AsyncStorage f
TAG : react-native
Date : October 25 2020, 07:10 AM , By : Dhawal
Place an 'x' on top corner of image, for deleting (React Native)
Place an 'x' on top corner of image, for deleting (React Native)
seems to work fine When orientation changes, then use an 'x' in the top corner of the image for deletion. I could just place the trash icon and the name of the place (of the img) next to the img. It would be nice to learn how to place an 'x'... plus
TAG : react-native
Date : October 24 2020, 06:10 PM , By : RogerThat
Undefined is not an object(evaluating '_expo.default.Constants')
Undefined is not an object(evaluating '_expo.default.Constants')
should help you out I am getting an error at Constants in const{manifest}=Expo.Constants and showing me an error as undefined is not an object. I am not able to get it. Can anyone help me in removing that error. , The following works for me: Instead
TAG : react-native
Date : October 23 2020, 06:10 AM , By : JBSacristan
Secure way to use remote API keys with react-native?
Secure way to use remote API keys with react-native?
hope this fix your issue MapBox have a good support. So after asking them here is the response:
TAG : react-native
Date : October 22 2020, 06:10 PM , By : Matt W.
react navigation - DrawerNavigator for Header Menu icon inside TabNavigator-> StackNavigator
react navigation - DrawerNavigator for Header Menu icon inside TabNavigator-> StackNavigator
To fix the issue you can do you need to import the DrawerActions in your component from react-navigation-drawer as explained in the docs
TAG : react-native
Date : October 22 2020, 06:10 PM , By : cGG
How to change the default font family of the entire react native app
How to change the default font family of the entire react native app
hope this fix your issue These answers seem like they didn't really read your question.. So here's how to use a font globally without the need of specifying it each and every time:Create a component like so:
TAG : react-native
Date : October 21 2020, 06:10 PM , By : HopeHopeHope
Is it possible to row-reverse in a 2 columns Flatlist?
Is it possible to row-reverse in a 2 columns Flatlist?
hop of those help? You can use flexDirection: 'row-reverse' inside columnWrapperStyle :
TAG : react-native
Date : October 19 2020, 06:10 AM , By : Girish Mahay
No sound or vibration in Android push notifications in Expo Client
No sound or vibration in Android push notifications in Expo Client
Does that help i found a solution for the sound and vibration it's not the best as i said i'm new to RN but still it works ( i used this: "create Channel Android Async" )
TAG : react-native
Date : October 17 2020, 06:10 PM , By : Softosis
Unable to load script. Make sure you're either running a Metro server (run 'react-native start') or that your bundle 'in
Unable to load script. Make sure you're either running a Metro server (run 'react-native start') or that your bundle 'in
this one helps. First of all create a directory in android/app/src/main/assets (Add assets folder manually)
TAG : react-native
Date : October 17 2020, 06:10 PM , By : Agoes Santosa
undefined is not an object (evaluating '_expo.Permission.askAsync')
undefined is not an object (evaluating '_expo.Permission.askAsync')
hop of those help? to me what solved it was importing the permissions and imagePicker like this:
TAG : react-native
Date : October 17 2020, 06:10 AM , By : Kon
Adding watermark to video/picture after capture using react-native-camera
Adding watermark to video/picture after capture using react-native-camera
I hope this helps you . react-native-image-marker is an excellent library for adding water-mark to photos. It supports both text and image water marking. Demo:
TAG : react-native
Date : October 14 2020, 02:00 PM , By : Nighat Ansari
Couldn't read accelerometer and gyro from sensortag using react-native
Couldn't read accelerometer and gyro from sensortag using react-native
Hope that helps Things work fine for other sensors when we write "AQ==" / 0x01 in hex / But for movement sensor we need to add "MDE=" for 0x01 in function for notifications
TAG : react-native
Date : October 14 2020, 02:00 AM , By : Ali Algmaty
bundling failed: Error: While resolving module `metro/src/lib/bundle-modules/HMRClient`
bundling failed: Error: While resolving module `metro/src/lib/bundle-modules/HMRClient`
To fix this issue I had the same issue after updating react-native to v0.59.8.What I ended up doing was adding a dev dependency to metro package with npm install --save-dev metro which is currently at v0.54.1.
TAG : react-native
Date : October 14 2020, 01:00 AM , By : samir asawi
ApolloClient from apollo-boost attemped to assign to readonly property
ApolloClient from apollo-boost attemped to assign to readonly property
seems to work fine I got the same error. Solved by using apollo-client, apollo-cache-inmemory, apollo-link-http package for creating Apollo client instead of using apollo-boost.Here's the code App.js
TAG : react-native
Date : October 13 2020, 01:00 PM , By : Balamurali M
How can i delete message on click of bubble touch? React Native Gifted chat library
How can i delete message on click of bubble touch? React Native Gifted chat library
Hope this helps I have developed chat view in React Native using gifted chat lib. But i want to perform delete action on click of chat bubble. , add onLongPress to GiftedChat component like this
TAG : react-native
Date : October 13 2020, 01:00 PM , By : itdeveloper555
How to fix java.lang.Double cannot be cast to java.lang.String in React Native
How to fix java.lang.Double cannot be cast to java.lang.String in React Native
like below fixes the issue Use toString() to force type in js side. I suppose that is expires_in the floating point number here, so:
TAG : react-native
Date : October 13 2020, 11:00 AM , By : Kara
Is there a way to tell if the user has been touching the screen in react native?
Is there a way to tell if the user has been touching the screen in react native?
hope this fix your issue I don't see any built in method that can tell you if the user has touched the screen recently in react native. Is there anyway you can keep track of how long it's been since the user has touched the screen. , PanResponder
TAG : react-native
Date : October 13 2020, 10:00 AM , By : Naisam pk
How to get the URI scheme of any app for AppLinks/universal linking?
How to get the URI scheme of any app for AppLinks/universal linking?
will be helpful for those in need Maybe it is worth to start with some background: There are various ways to deep link into an app, and it depends on the platform (iOS\Android\WindowsPhone...) and its version.On iOS, up until version 9, the way to op
TAG : react-native
Date : October 12 2020, 10:00 PM , By : Hicham
textAlign justify property not working in react native
textAlign justify property not working in react native
this will help checkout the offical document:
TAG : react-native
Date : October 12 2020, 07:00 PM , By : Kevin Mullen
react native expo is there a custom date time picker work on iOS and android
react native expo is there a custom date time picker work on iOS and android
may help you . react-native-modal-datetime-picker https://github.com/mmazzarolo/react-native-modal-datetime-pickerYou can also find other expo compatible components at https://www.native.directory/
TAG : react-native
Date : October 12 2020, 11:00 AM , By : Jingwu_Xu
FlatList renderItem error, TypeError: undefined (evaluating 'item.id')
FlatList renderItem error, TypeError: undefined (evaluating 'item.id')
Any of those help The issue is in the function supplied to the renderItem prop. The function will be called once for each item of you array.Your renderItem function destructures the object which it receives and tries to read the value for the key ite
TAG : react-native
Date : October 12 2020, 08:00 AM , By : pgangwani35
scroll to specific div using webview in react native
scroll to specific div using webview in react native
I wish this help you You can use the injectJavaScript parameter of WebView, to show exactly what you want from the destination web.WebView documentation
TAG : react-native
Date : October 12 2020, 07:00 AM , By : Mengqian Cao
react native scroll view doesnt scroll in android
react native scroll view doesnt scroll in android
I hope this helps you . You don't have enough content for this. Either add more content or try with below provided one to confirm it is working fine in android.
TAG : react-native
Date : October 12 2020, 04:00 AM , By : Ehsan
How to change the background color in Drawer navigation in react-navigation
How to change the background color in Drawer navigation in react-navigation
this will help I need to change the background color of the drawer screen. I am using react-navigation. Is there is an option to change this color? Refer the attached image. , If you are using 3.x ,There is a prop named overlayColor.
TAG : react-native
Date : October 12 2020, 04:00 AM , By : doe_j330
Upgrade Expo CLI have unknown error --assetPlugins
Upgrade Expo CLI have unknown error --assetPlugins
hope this fix your issue I upgrade to latest Expo CLI 2.19.2 and tried upgrade my expo application using SDK 33. , Be sure to also upgrade "react-native" to version 33.
TAG : react-native
Date : October 12 2020, 02:00 AM , By : whatyyy
React native hooks break hot reloading?
React native hooks break hot reloading?
I wish this help you Hot reloading works fine with class components but when it comes to function components with hooks such as useState, hot reloading resets its value. , Hooks rely on the calling order to make sense.
TAG : react-native
Date : October 12 2020, 01:00 AM , By : Николай Городян
Object into Components
Object into Components
will help you To iterate over an object, you can use Object.keys(). It returns an array with all the keys in the object. Here, Object.keys(myobject) will return ["vdks", "wisks"];
TAG : react-native
Date : October 12 2020, 12:00 AM , By : Nasir Mohamed
React Native camera on iOS is showing blank screen
React Native camera on iOS is showing blank screen
hop of those help? You've done this correct, but you have to know the camera is not working on simulator but it will work correctly on external devices
TAG : react-native
Date : October 11 2020, 09:00 PM , By : lumi
Expo: UIManager throwing warning UIManager
Expo: UIManager throwing warning UIManager
I wish did fix the issue. This is caused by react-navigation module. I assume you're using expo sdk 33.
TAG : react-native
Date : October 11 2020, 08:00 PM , By : DigitalGhost
I can't create stripe token using createTokenWithCard() in React Native
I can't create stripe token using createTokenWithCard() in React Native
hope this fix your issue You need to let the promise resolve to get the result. Either use an async function:
TAG : react-native
Date : October 11 2020, 05:00 PM , By : yunlong276huang
App stop working when Image Picker is opened in React Native
App stop working when Image Picker is opened in React Native
fixed the issue. Will look into that further I found the issue. The problem was in the plist. When I was adding the permissions, I just copy-pasted from a post. Might be something was wrong with it. When I typed in the permissions in the XCode, I saw
TAG : react-native
Date : October 11 2020, 07:00 AM , By : Kent
React native multi-column FlatList insert banner
React native multi-column FlatList insert banner
With these it helps In such a case, I always recommend to drop the numColumns property and replace it by a custom render function, which handles the columns by its own. Let's say we have the following data structure:
TAG : react-native
Date : October 11 2020, 06:00 AM , By : Devin Carlon
How do I change device location?
How do I change device location?
it fixes the issue To change the device's location, you can either use built-in emulator function or fake GPS application on your physical device. For the emulator, you can do it easily, just click triple dots (...) on the right menu, then go to Loca
TAG : react-native
Date : October 11 2020, 05:00 AM , By : Rambo
How to fix React-Native Error 'could not unzip gradle-5.4.1-all.zip'
How to fix React-Native Error 'could not unzip gradle-5.4.1-all.zip'
should help you out To resolve this kind of error the following steps are used Open My computer. Navigate the following folder C:\Users\UserName.gradle\wrapper\dists Delete the 'gradle-5.4.1-all.zip' folder Run React-native project by using react-nat
TAG : react-native
Date : October 11 2020, 05:00 AM , By : riyanto
Type Error : Method.bind is not a function
Type Error : Method.bind is not a function
I hope this helps . In my case the error was due to react-native-d3multiline-chart which occured after upgrading react-native version from 0.54.6 to 0.59.1 because internally react-native-d3multiline-chart was using react-native-svg. I solved this er
TAG : react-native
Date : October 11 2020, 04:00 AM , By : Sribastav Rajguru
How to fix 'boost/operators.hpp' file not found' error in react-native
How to fix 'boost/operators.hpp' file not found' error in react-native
I wish this helpful for you This might due to incomplete pods install - try deleting ios/Pods folder and run pod install under ios.
TAG : react-native
Date : October 11 2020, 04:00 AM , By : John Doe
React native image, dynamic require
React native image, dynamic require
hope this fix your issue You could store your images in corresponding folders for ios and android, and then calling them like that :
TAG : react-native
Date : October 10 2020, 08:00 PM , By : Marc Villacorta More
Execution failed for task ':react-native-gesture-handler:compileDebugJavaWithJavac'
Execution failed for task ':react-native-gesture-handler:compileDebugJavaWithJavac'
I think the issue was by ths following , I am fixing a incompatibility issue related to AndroidX by adding 2 lines to gradle.properties under android for my RN 0.59 project. , It cause this error for the RN 0.60. You can solve this by following,
TAG : react-native
Date : October 10 2020, 07:00 PM , By : Grzegorz Bryliński
How to properly select a value from items.index ingested as json
How to properly select a value from items.index ingested as json
This might help you I am trying to select the twitter value (if present) from an social accounts array. When value !='' I want the View to show. I am not certain about the code below. , You can check by tripple equals
TAG : react-native
Date : October 10 2020, 03:00 PM , By : MD Hossain
react-navigation drawer how to set props and style to route components?
react-navigation drawer how to set props and style to route components?
I think the issue was by ths following , I'm not sure if this is exactly what you're looking for, but this is what I do in my main file:
TAG : react-native
Date : October 10 2020, 03:00 PM , By : Bruno
Async await with map function, promise.all not working
Async await with map function, promise.all not working
help you fix your problem Ok, so I didn't know that async await always returned a promise.I handled the problem by adding this
TAG : react-native
Date : October 10 2020, 12:00 PM , By : Mungoer
Warning: Cannot update during an existing state transition (such as within `render`). Render methods should be a pure fu
Warning: Cannot update during an existing state transition (such as within `render`). Render methods should be a pure fu
I think the issue was by ths following , When I clicked on the touchableopacity button to navigate to another screen within the same tab I got this warning and i cannot navigate. When I run I see the navigated page on my screen but on pressing tab re
TAG : react-native
Date : October 10 2020, 10:00 AM , By : Isix ElOso
How can I send a message from the WebView to React Native?
How can I send a message from the WebView to React Native?
seems to work fine Please make sure that the data for each receiver is in and use the data that You need.And always check the prescribed documents to see how to use parameters and grammar before using them.
TAG : react-native
Date : October 10 2020, 09:00 AM , By : Marcelo Rozgrin
How to change the default background colour for mapView.callout using react-native-maps?
How to change the default background colour for mapView.callout using react-native-maps?
will be helpful for those in need I am trying to change the background color of the callout, but the background color is not effecting to the total view. , You need to set the 'tooltip' prop on the Callout component to true.
TAG : react-native
Date : October 10 2020, 07:00 AM , By : jgrib
React-Native-Maps: How to use animateCamera and setCamera
React-Native-Maps: How to use animateCamera and setCamera
wish of those help You can use animateToRegion(region,duration) by simply passing the region as
TAG : react-native
Date : October 10 2020, 05:00 AM , By : Shahzad Hussain
How to show custom view in bottom of the screen for entire application (like every screen) in react native
How to show custom view in bottom of the screen for entire application (like every screen) in react native
fixed the issue. Will look into that further Considering you are using React Navigation, one approach may be to render a component outside of your app container. Something like this:
TAG : react-native
Date : October 10 2020, 05:00 AM , By : Meher Chelbi
React Art <Text /> rotation
React Art <Text /> rotation
this one helps. How can I rotate a from React ART? is a based on text content using native text rendering, and so, I should be able to use transform={ ??? } inside it. I did not find any examples with rotation. , Yes, you can rotate and transform ART
TAG : react-native
Date : October 10 2020, 01:00 AM , By : Nikita Makarov
flow throws errors with a new react-native init project
flow throws errors with a new react-native init project
it helps some times Hey , remove this project and then use my line react-native init Sampler. Go to that folder, cd Sampler. Run the command to start package, make sure you started the emulator npm install react native link react-native run-android
TAG : react-native
Date : October 10 2020, 12:00 AM , By : Phrlog
how to pass back props to Parent Component in wix Navigation
how to pass back props to Parent Component in wix Navigation
seems to work fine , You can achieve this by using callback methods.eg:
TAG : react-native
Date : October 09 2020, 06:00 PM , By : Piruthvi Chendur
Select multiple element on react native onpress in flatlist
Select multiple element on react native onpress in flatlist
I hope this helps . After a long time i am able to solve the selected item in a flatlist. But I did not get what exactly i want. I need to select multiple items by onpress. , Do the below changes in your code.Replace your state with this
TAG : react-native
Date : October 09 2020, 06:00 PM , By : Josh Friedman
React navigation open openDrawer() not working
React navigation open openDrawer() not working
fixed the issue. Will look into that further This is my navigation codes, I've got a drawer navigator, that contains stacks within, the problem I am having is that I can't use this.props.navigation.openDrawer() within the stack, navigators to open th
TAG : react-native
Date : October 09 2020, 01:00 PM , By : Rajat Shukla
Getting the current routeName in react navigation
Getting the current routeName in react navigation
Does that help I want to get the name of the current routeName in react navigator. I came across three solutions:
TAG : react-native
Date : October 09 2020, 12:00 PM , By : Romaine
How to fix 'ReactNative:Cannot run program' error
How to fix 'ReactNative:Cannot run program' error
should help you out I just experienced same issue. Here's the solution: Open another command-line window Change directory to your React-Native project Key-in: react-native start
TAG : react-native
Date : October 09 2020, 11:00 AM , By : Stureman
Error: Object are not valid as a react child?
Error: Object are not valid as a react child?
To fix the issue you can do , Can you try this?
TAG : react-native
Date : October 09 2020, 11:00 AM , By : Ragavendran Divakara
Facing issue " Failed to install the app. Make sure you have the Android development environment " in react na
Facing issue " Failed to install the app. Make sure you have the Android development environment " in react na
seems to work fine To make sure your environment is setup properly for android, go to the root of your react-native project. Open the android project(folder) in the Android Studio IDE.All errors with your environment will show up, and that will autom
TAG : react-native
Date : October 09 2020, 08:00 AM , By : Aadhii
React-native installing required CocoaPods dependencies stuck
React-native installing required CocoaPods dependencies stuck
like below fixes the issue Installing required CocoaPods dependencies takes time. Waiting for about 30mins worked for me.
TAG : react-native
Date : October 09 2020, 07:00 AM , By : Ali
React Native and React Navigation — How to get screen title to show in header and bottom tab navigator to also show
React Native and React Navigation — How to get screen title to show in header and bottom tab navigator to also show
I wish this help you By setting navigationOptions inside the component, you apply it to the navigation element that is calling the component.So in your case, the title you define in About applies to the bottom tab, and not to the screen as you would
TAG : react-native
Date : October 09 2020, 06:00 AM , By : Amit
errors after running expo start
errors after running expo start
To fix this issue This fixed it for me:Run expo update 35.0.0. (Replace version with your desired version. 35.0.0 is the latest as of this post.) This updates expo, by updating app.json package.json and installing the latest dependencies.
TAG : react-native
Date : October 09 2020, 04:00 AM , By : user6039447
Failed to build react native app after linking with ble-plx
Failed to build react native app after linking with ble-plx
I hope this helps . This issue is similar to this issue.As mentioned in @Kreator answer it is related to some packages that are not converted to AndroidX.
TAG : react-native
Date : October 09 2020, 03:00 AM , By : Cristian Rodriguez
Push Notifications don't work after deploying Expo app to Apple store's TestFlight
Push Notifications don't work after deploying Expo app to Apple store's TestFlight
help you fix your problem I had a lot of frustration with push finally solved the issue. 1) Enable Push notifications in Developer portal > Certificates, Identifiers Profiles > Identifier (of your app) 2) Create your APNS key file as described here
TAG : react-native
Date : October 09 2020, 03:00 AM , By : lluis_tgn

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