Hello I m stuck on this problem I want to capture all the it kotlinlang #react

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Title

d

Dmitriy Malayev

03/22/2023, 7:11 PM

Hello, I'm stuck on this problem. I want to capture all the items a user checked and display them. Why Can't I initialize an empty array?

t

turansky

03/22/2023, 7:35 PM

useState

must be called on component level

d

Dmitriy Malayev

03/22/2023, 7:37 PM

Hello Victor, I tried that as well

image.png

t

turansky

03/22/2023, 7:55 PM

You need use state for

selectedChecks

var selectedChecks by useState(emptyList<String>())

d

Dmitriy Malayev

03/22/2023, 7:59 PM

image.png

doesn't have add

t

turansky

03/22/2023, 8:00 PM

selectedChecks = selectedChecks + item

d

Dmitriy Malayev

03/22/2023, 8:14 PM

Doesn't add more than one check

t

turansky

03/22/2023, 8:50 PM

val (selectedChecks, setSelectedChecks) = useState(emptyList<String>())

// ...

onChange = {
    setSelectedChecks { it + item }
}

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