Hangry/app/config/asyncStorageHelper.js

import {AsyncStorage} from 'react-native'
import React, { Component } from 'react';
export default class AsyncStorageHelper extends Component{

    async saveData(key, value) {
        try {
            await AsyncStorage.setItem(key, JSON.stringify(value));
        } catch (error) {
            console.error('save error'+ error.message);
        }
    }

    async saveString(key, value) {
        try {
            await AsyncStorage.setItem(key, value);
        } catch (error) {
            console.error('save error'+ error.message);
        }
    }

    async getData(key, callback) {
        try {
            var value = await AsyncStorage.getItem(key).then(
                (values) => {
                    callback(values);
                }
            )
        } catch (error) {
          //  console.error('get error');
        }
    }

    async removeItemValue(key) {
        try {
            await AsyncStorage.removeItem(key);
            return true;
        }
        catch (exception) {
            console.log(exception)
            return false;
        }
    }


}