You can try either add a then after your getItem. AsyncStorage.getItem(“phoneNumber”).then((value) => { this.setState({“phoneNumber”: value}); }) .then(res => { //do something else }); Or use await to wait the async operation to finish var value = await AsyncStorage.getItem(STORAGE_KEY); //use value to do something else.
For everyone who sees this question in > 2019: Since Nov 2020, AsyncStorage was renamed back to @react-native-async-storage/async-storage”, which causes this warning to appear if you’re importing it from react-native: Warning: Async Storage has been extracted from react-native core and will be removed in a future release. The new module includes its own mock, so … Read more
React Native Debugger has this built in. Just call showAsyncStorageContentInDev() in the RND console and you’ll be able to see a dump of your app’s storage.
Try using clear() function which erases all AsyncStorage for all clients, libraries, etc
AsyncStorage is not suitable for storing sensitive information. You might find this useful: https://github.com/oblador/react-native-keychain It uses facebook conceal/android keystore to store encrypted data to SharedPreferences (Android) and keychain on iOS. (I co-authored the lib). Be sure to read the entire readme to understand what it offers.