如何在反应原生中使用选择器从 redux state 设置 usestate 的初始值？

Question

when I try to set initial value from redux state, there is nothing on text component but i can see the value on console

   const Profile = props => {

   const userName = useSelector(userSelector);
   const [name, setName] = useState(userName);
   
   console.log(userName);
   
       return (
           <Text>{name}</Text>

       );
}; 

Answer 1

It won't work this way, as redux is getting its value after the initial render so you need to update your state only after the redux value is updated

Use an useEffect hook and add userName to its dependency array.

 useEffect(() => { setName(userName); }, [userName])

Add this inside your react component and it will work!!