I have a React functional component in which I have some input fields, a button, and a tooltip. The tooltip is disabled by default and should only be enabled and visible if the button is clicked while the input fields…
I'm writing an app which inside its home screen I want to select the contacts by long press click it's actually works but I want after doing this the app bar actions widget change. so I've created a static variable…
this snippet of code gives me a bad setState error. I want the code in onChange to run immediately without a callback ()=> after onChange, as I want a button to disable if all the form fields are not filled…
I want to design an application with buttons. The 'odd numbers' button will contain a for loop inside such that when clicked, odd numbers will appear on the screen. I'd like to do similarly for even numbers. > class _MyHomePageState…
I can't do what I want, and above all, I don't understand the mechanics. In fact, I want to make a setState of a widget from another widget. To explain my situation, I have a first AdministrationScreen widget that returns…
I have a component which has two state variables: const [data, setData] = useState(null); const [isDataLoading, setIsDataLoading] = useState(true); const fetchData = async () => { setIsDataLoading(true); const fetchedHugeData = await hugeDataFetch(); setData({ ...fetchedHugeData }); setIsDataLoading(false); } useEffect(() => {…
I want to attach a payload of an mqtt message to an existing array in a state in REACT. The problem is, that the state is not updated correctly. It is updated in the same component but when the next…
`import 'package:flutter/material.dart'; class SkillEntry extends StatefulWidget { const SkillEntry({super.key, required this.skll}); final String skll; @override State<SkillEntry> createState() => _SkillEntryState(); } class _SkillEntryState extends State<SkillEntry> { @override Widget build(BuildContext context) { int skillvalue = 0; return Container( height: 40, width: 200,…
I have one method where I am trying get data from clicked buttons. Every button has value which I assigns to state in constructor by setState method. The limit clicked buttons and assigns to variable is three later we can…
I have the following code: const [number, setNumber] = useState(6) function handleClick() { setNumber(5) } ... <Button onClick={handleClick}/> When I click the button, the component displays "5" as desired. But when I close the component and re-open it, it defaults…