REACT-NATIVE QUESTIONS

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

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')

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?

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?

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

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

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

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?

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

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

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

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

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

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

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?

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

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?

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

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

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

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

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

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

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

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

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?

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?

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

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

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

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?

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'

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

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

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

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?

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'

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

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

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

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

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

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

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?

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

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

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

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

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')

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

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

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?

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?

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

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

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

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`

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

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

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