Questions tagged [react-native]
React Native is a JavaScript library used to build native mobile apps using React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere.
react-native
141,761
questions
-7
votes
1
answer
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views
How to learn making Multi Screen Apps using React Native
I am new to both JavaScript and React Native.
I've learned most of React and React Native and have built Apps using the knowledge too.
But all of those were single screen ones. But in the real world,...
-7
votes
1
answer
57
views
Why is a function not awaited as a promise?
I have a component MicButtons.js which exports a promise
import Voice from 'react-native-voice'
export const MicButton = async () => {
Voice.start('en-US')
Voice.onSpeechResults = async (res) =&...
-7
votes
2
answers
75
views
Anybody know why this doesn't work if its writen like the react navigation docs?
This is the btn that 'controls' the navigation.
It loads the first Stack, Home, but when I press the touchable opacity to go QnScreen it drops an error: undefined is not an object (evaluating '...
- 5
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votes
1
answer
1k
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TypeError:undifined is not an object (evaluating 'arr.length') react native [closed]
Hello every body i am learning to create react native animation when scroll and when i add const headerHeight, i got error like this,
i follow a tutorial on youtube,in video not got an error, but in ...
- 31
-8
votes
2
answers
589
views
Removing Search Bar
I've been working with React-Native and Expo lately. I need a button to open a website in the browser but the search bar (top) and the icon bar should not appear either. Here is a picture to make ...
- 1,506
-8
votes
1
answer
77
views
How to achieve this feature [closed]
I'm trying to achieve a feature from this application (Please see video)
https://i.sstatic.net/E4VHP.jpg
I made an expo here for you to easily make a solution
https://snack.expo.io/HknL0ZCAS
...
- 77
-8
votes
2
answers
191
views
How to get multiple API fetch data avoid first consle.log empty array
When i am trying to fetch multiple API using map() method, and launch the project it's given me empty which is i understand my console.log couldn't able to fetch at the time, and just use Ctrl+s press ...
-8
votes
1
answer
504
views
I want to get doc data from Firebase
/* eslint-disable indent */
import React, { useEffect, useState } from 'react';
import {
Alert,
} from 'react-native';
import firebase from 'firebase';
// import { useIsFocused } from '@react-...
-10
votes
3
answers
2k
views
What are the advantages of using Redux with React? [closed]
Reading this article I wonder: What are the advantages of using Redux over/with React? I am aware that Redux and React are two different things. I used Redux to keep the state of my Application. But ...
- 11.9k
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votes
1
answer
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How can I make a festival image post app in react native? [closed]
I am developing a festival image post app in react-native.
I have a question regarding the possibility to uses react-native
library for developing the app (ios/android) which will able to make ...
- 373
-13
votes
1
answer
103
views
why the variable data suddenly changed to item [closed]
<View style={styles.container}>
<SectionList
sections={[
{ title: 'D', data: ['Devin'] },
{
title: 'J',
data: ['Jackson', 'James', 'Jillian', 'Jimmy', 'Joel',...
