react native bearer token

1async _getProtectedQuote() {
2  var DEMO_TOKEN = await AsyncStorage.getItem(STORAGE_KEY);
3  fetch("http://localhost:3001/api/protected/random-quote", {
4    method: "GET",
5    headers: {
6      'Authorization': 'Bearer ' + DEMO_TOKEN
7    }
8  })
9  .then((response) => response.text())
10  .then((quote) => {
11    AlertIOS.alert(
12      "Chuck Norris Quote:", quote)
13  })
14  .done();
15},