I have a goal to change the state of the checkbox when clicking on the adjacent widget. I tried to create a stateful function but unfortunately my code doesn't work. Here is the function - void _changeFlagCheckBox(bool? value){ setState(() {…
When setState is called in a widget's state, the corresponding element in the element tree gets marked as dirty, and the widget gets rebuilt. However, how does it handle descendents? For example, the Text widget below gets rebuilt when its…
Normally all things is good but when I want to add setState() it show overflow. I am making an BMI calculator app and i create a custom button and i think there the problem started. import 'package:flutter/material.dart'; class RoundIconButton extends…
i was trying to get a row of data by id from existing array inside a state, is this the right way to do it? cause it keeps on doing the thing on loop, i was trying to do a…
Hi everyone i'm recently studying react native and i have a problem. After setting the status, I cannot read the current value. My code is: export default class HomePage extends Component { static navigation = {} constructor() { super(); this.state…
I have a piece of react JS code that is supposed to fetch data from an endpoint and populate a form from the data. The main issue I'm having with is that it only populates the first field. It does…
I use React js ,There is a variable in the App.js file called Persons. I want the Persons value to be updated every time I click on the button. import React from "react"; import "./styles.css"; import Button from "@material-ui/core/Button"; import…
On this answer by Dan Abramov here on SO, I've found out the following: Does React keep the order for state updates? Currently (React 16 and earlier), only updates inside React event handlers are batched by default. There is an…