JAVASCRIPT

asyncstorage react native

yarn add @react-native-async-storage/async-storage // install by yarn
npm i @react-native-async-storage/async-storage // install by npm

// import
import AsyncStorage from '@react-native-async-storage/async-storage';


await AsyncStorage.setItem('@storage_Key', "value") // for store item
await AsyncStorage.removeItem('@storage_Key', "value") // for remove item

react native asyncstorage getItem example

getMyObject = async () => {
  try {
    const jsonValue = await AsyncStorage.getItem('@key')
    return jsonValue != null ? JSON.parse(jsonValue) : null
  } catch(e) {
    // read error
  }

  console.log('Done.')

}

react native asyncstorage setItem example

setObjectValue = async (value) => {
  try {
    const jsonValue = JSON.stringify(value)
    await AsyncStorage.setItem('key', jsonValue)
  } catch(e) {
    // save error
  }

  console.log('Done.')
}

react native asyncstorage getItem example

getMyStringValue = async () => {
  try {
    return await AsyncStorage.getItem('@key')
  } catch(e) {
    // read error
  }

  console.log('Done.')

}

react native asyncstorage setItem example

setStringValue = async (value) => {
  try {
    await AsyncStorage.setItem('key', value)
  } catch(e) {
    // save error
  }

  console.log('Done.')
}

react native asyncstorage getItem

static getItem(key: string, [callback]: ?(error: ?Error, result: ?string) => void): Promise

react native asyncstorage setItem

static setItem(key: string, value: string, [callback]: ?(error: ?Error) => void): Promise