Apollo Link State. Set local storage.

App.js

import { useApolloClient } from 'react-apollo-hooks'

const App = () => {
  const client = useApolloClient()
  const onPress = elem => () => client.writeData({ data: { elem } })

  return (
    <View>
      <TouchableOpacity onPress={onPress('text')}>   
        <Text>Set</Text>
      </TouchableOpacity> 
    </View>
  )
}