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REACT-NATIVE QUESTIONS

How to scroll FlatList in Modal component?
How to scroll FlatList in Modal component?
wish help you to fix your issue My Horizontal FlatList doesn't scroll in Modals. You can find my FlatList and RenderItem codes below: , Use propagateSwipe props for smooth scrolling in
TAG : react-native
Date : January 12 2021, 09:11 PM , By : Tom Smith
Background border view with up-arrow triangle | React Native
Background border view with up-arrow triangle | React Native
This might help you Add 2 triangle one for background color and one for border color
TAG : react-native
Date : January 12 2021, 09:11 PM , By : Lucas Thompson
undefined is not an object (evualating 'console.warn(this.state.user_id).catch')
undefined is not an object (evualating 'console.warn(this.state.user_id).catch')
To fix this issue You are calling console.warn(state.user_id) in between .then and .catch. Do this your code will run.
TAG : react-native
Date : January 12 2021, 07:00 PM , By : hellboy32
React Native: Why doesn't setting flexGrow on a <View> inside a <ScrollView> work?
React Native: Why doesn't setting flexGrow on a <View> inside a <ScrollView> work?
To fix this issue Take a look at the ScrollView docs here: https://facebook.github.io/react-native/docs/scrollview.htmlcontentcontainerstyleThe key you're missing is specifying what the containers style should be. The maintainers make no assumption t
TAG : react-native
Date : January 11 2021, 03:28 PM , By : Alex Sadzawka
How to use the $filter variable on graphql query under the Connect component?
How to use the $filter variable on graphql query under the Connect component?
this will help Ok, I think I've figured out the usage with the AWS AppSync Out-of-the-box queries...
TAG : react-native
Date : January 11 2021, 03:28 PM , By : AnToni00
React native FS copyFile() never resolves
React native FS copyFile() never resolves
Any of those help So I discovered that the copyFile() method by itself decodes the path, and I just passed the coded uri (the same way as I was receiving from document-picker pick() method) as argument and it worked fine, thank you.
TAG : react-native
Date : January 11 2021, 03:26 PM , By : user182548
react-native-router-flux backAndroidHandler not working
react-native-router-flux backAndroidHandler not working
Does that help Use backAndroidHandler prop of Router component.
TAG : react-native
Date : January 11 2021, 11:39 AM , By : Vijayant Singh
how to get deviceId, deviceToken, deviceType in react-native/expo
how to get deviceId, deviceToken, deviceType in react-native/expo
this one helps. 1.GET DEVICE ID: To get the device information in React Native will use the react-native-device-info library. getDeviceId() is method for getting id. For example code:doc
TAG : react-native
Date : January 10 2021, 02:06 PM , By : Philofax
React Navigation: How to test components that use the withNavigation HOC?
React Navigation: How to test components that use the withNavigation HOC?
around this issue I'm writing unit tests with Jest for my React Native app. I have a component, which is wrapped in the withNavigation HOC. , Based on Kubilay's answer, here is how I solved it:
TAG : react-native
Date : January 10 2021, 02:04 PM , By : user93312
Functions are not valid as a React child -----> from a React-Native Noobie
Functions are not valid as a React child -----> from a React-Native Noobie
may help you . I have gotten to grips with React, but have just started a React-Native project today for the first time. My code is very simple at the moment, but I can't seem to get it to work. I get the following error: , You are using Profile Comp
TAG : react-native
Date : January 09 2021, 02:14 PM , By : judith
Get the input data from TextInputs which are programatically added using a button
Get the input data from TextInputs which are programatically added using a button
To fix this issue Considering the following assumptions that,until the name is filled,the designation cannot be filled and until the one set of name and designation are filled, the next set of inputs should not be rendered, In NewComponent.js for the
TAG : react-native
Date : January 09 2021, 02:14 PM , By : Jesse
How to Bring button (which opens modal) on top of modal as well? React native
How to Bring button (which opens modal) on top of modal as well? React native
this one helps. The Modal component of react native traps the focus inside the modal content while visible. The only way to capture a click on the button is to display another copy of it inside the Modal component. If you manage to display it at the
TAG : react-native
Date : January 09 2021, 02:14 PM , By : thatotherguy
Getting NetworkError when setup apollo-client headers
Getting NetworkError when setup apollo-client headers
it fixes the issue Ok In my example I was working with Apollo Boost. When I use Apollo Client it works.
TAG : react-native
Date : January 07 2021, 07:50 AM , By : Vorinowsky
React-native-firebase phone authentication
React-native-firebase phone authentication
I hope this helps you . Now you're getting the result value in const. The value returned is not a function.You can use this code
TAG : react-native
Date : January 05 2021, 11:29 AM , By : Sinisa Ruzin
Hide or Display specific tabs in tabBar in react-native using react-navigation
Hide or Display specific tabs in tabBar in react-native using react-navigation
seems to work fine Great thanks!I was looking all over the place for something like this
TAG : react-native
Date : January 03 2021, 08:18 AM , By : Robert MacGregor
How do I use mapDispatchToProps in place of directly accessing the Redux store?
How do I use mapDispatchToProps in place of directly accessing the Redux store?
like below fixes the issue Hmmm...I have never done it like that, so I am not sure what the problem is...
TAG : react-native
Date : January 02 2021, 10:54 PM , By : S. Fenz
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 : January 02 2021, 06:48 AM , By : Don Changer
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 : January 02 2021, 06:48 AM , By : Pepe Araya
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 : January 02 2021, 06:48 AM , By : nabbed
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 : January 02 2021, 06:48 AM , By : Stephen Judge
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 : January 02 2021, 06:48 AM , By : Nicholas Hunter
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 : January 02 2021, 06:48 AM , By : Bharath
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 : January 02 2021, 06:48 AM , By : Waheedoo
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 : January 02 2021, 06:48 AM , By : user157064
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 : January 02 2021, 06:48 AM , By : Imran
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 : January 02 2021, 06:48 AM , By : changke
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 : January 02 2021, 06:48 AM , By : Aki Björklund
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 : January 02 2021, 06:48 AM , By : Lucyberad
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 : January 02 2021, 06:48 AM , By : Sinisa Ruzin
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 : January 02 2021, 06:48 AM , By : phil
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 : January 02 2021, 06:48 AM , By : LinnheCreative
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 : January 02 2021, 06:48 AM , By : user147496
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 : January 02 2021, 06:48 AM , By : Josh Tegart
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 : January 02 2021, 06:48 AM , By : Schmidt
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 : January 02 2021, 06:48 AM , By : firebasket
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 : January 02 2021, 06:48 AM , By : Ben Humphrys
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 : January 02 2021, 06:48 AM , By : James
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 : January 02 2021, 06:48 AM , By : Viv
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 : January 02 2021, 06:48 AM , By : Francis
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 : January 02 2021, 06:48 AM , By : Robin Buitenhuis
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 : January 02 2021, 06:48 AM , By : Barry
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 : January 02 2021, 06:48 AM , By : user158220
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 : January 02 2021, 06:48 AM , By : AnToni00
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 : January 02 2021, 06:48 AM , By : Daniel Reslie
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 : January 02 2021, 06:48 AM , By : µilad
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 : January 02 2021, 06:48 AM , By : Singularity
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 : January 02 2021, 06:48 AM , By : bashmish
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 : January 02 2021, 06:48 AM , By : user184406
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 : January 02 2021, 06:48 AM , By : al.
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 : January 02 2021, 06:48 AM , By : Gerhard Miller
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 : January 02 2021, 06:48 AM , By : user150744
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 : January 02 2021, 06:48 AM , By : Yolanda N. Ceron
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 : January 02 2021, 06:48 AM , By : enginecrew
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 : January 02 2021, 06:48 AM , By : Chris Hanley
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 : January 02 2021, 06:48 AM , By : nhuser
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 : January 02 2021, 06:48 AM , By : Marianisho
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 : January 02 2021, 06:48 AM , By : cheese_doodle
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 : January 02 2021, 06:48 AM , By : Jimmy
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 : January 02 2021, 06:48 AM , By : OllieDoodle
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 : January 02 2021, 06:48 AM , By : Antony Briggs

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