LoginScreen.kt

@Composable
fun LoginScreen //....
//....

Button(
      onClick = {
        action.invoke(Login)
      }, modifier = Modifier
      .fillMaxWidth()
      .padding(top = 32.dp)
      .defaultMinSize(minHeight = 48.dp)
    ) {

      if (loginState.isLoading) {
        CircularProgressIndicator(
          color = MaterialTheme.colors.onPrimary, modifier = Modifier.size(24.dp, 24.dp),
          strokeWidth = 2.dp
        )
      } else {
        Text(text = stringResource(string.login))
      }
    }

 if(loginState.isSuccess) {
   navigateToHome()
 }

}