AndroidMenifest.xml

<uses-permission android:name="android.permission.INTERNET"/>

MainActivity.kt

// WebView

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            DefaultTheme {
                // MyWebView("<https://www.daum.net/>")
                // MyWebView("<https://www.naver.com/>")
                MyWebView("<https://www.youtube.com/>")
            }
        }
    }
}

@Composable
fun MyWebView(url :String){

    AndroidView(factory = {
        WebView(it).apply {
            loadUrl(url)
        }
    })

}

@Preview(showBackground = true)
@Composable
fun GreetingPreview() {
    DefaultTheme {

    }
}