You can use `useAuthenticator` hook to access `route` string that represents the current `authState`. They can be one of:

- `idle`
- `setup`
- `signIn`
- `signUp`
- `confirmSignIn`
- `confirmSignUp`
- `setupTOTP`
- `forceNewPassword`
- `resetPassword`
- `confirmResetPassword`
- `verifyUser`
- `confirmVerifyUser`
- `signOut`
- `authenticated`

```jsx
import { useAuthenticator } from '@aws-amplify/ui-react-native';

const App = () => {
  const { route } = useAuthenticator(context => [context.route]);

  // Use the value of route to decide which page to render
  return route === 'authenticated' ? <Home /> : <Authenticator />;
};
```