which can be daunting if you don’t understand themagic behind styled components. To put it briefly, styled components use JavaScript’stemplate literalsto bridge the gap between components and styles. So, when you create a styled component, what you’re actually creating is a React component w...
React Native Elements is a UI toolkit for React Native applications that provides customizable components for building consistent user interfaces.
To work with react-native-picker-select, we must import the RNPickerSelect component: import RNPickerSelect from "react-native-picker-select"; This component is then reused in our code to render the select view. It has myriad props and two of them are required: The items prop The onValue...
import{StyleSheet,Text,View}from'react-native';importReactfrom'react';constApp=()=>{return(<Viewstyle={styles.container}><Textstyle={styles.quicksandRegular}>Thistext uses a quick sand font</Text><Textstyle={styles.quicksandLight}>Thistext uses a quick sand light font</Text><Textstyle={style...
Redux in React Native is a state management library that helps manage the state of an application, making it easier to handle the state across different components.
This article mainly introduces how to use MQTT in the React Native project to realize the functions of connecting, subscribing, unsubscribing, and sending and receiving messages between the client and the server. Create a new React Native project ...
loading and low rendering efficiency. For these problems, they are common problems in development, and they are also points that must be optimized when using React Native to develop cross-platform applications. This introduces a question, how should the performance optimization of React Native be ...
There are scenarios in which we might need to perform some kind of action whenever the state changes. In a class component, we can do that by using the componentDidUpdate lifecycle. import { Component } from "react"; class StateChangesClass extends Component { state = { counter: 0, }; ...
Adding style attribute and child elements to the previous example: import React, {Component} from 'react'; import {View, Text, StyleSheet} from 'react-native'; export default class MyLayout extends Component { render() { const styles = StyleSheet.create({ box: { wi...
@jonathanstiansen has the correct answer that leverages React correctly. But if you would insist on doing it in the constructor you can do it like this: (psuedo code) class A extends React.Component { constructor() { this.unsubscribe = NetInfo.addEventListener(...); } componentWillUnmount()...