Welcome to Instant's React Native MMKV interface.

Usage

Create an app with expo

npx create-expo-app instant-rn-demo
cd instant-rn-demo

Install instant

npm i @instantdb/react-native @instantdb/react-native-mmkv

Install peer dependencies

npx expo install react-native-mmkv react-native-nitro-modules @react-native-community/netinfo react-native-get-random-values @react-native-async-storage/async-storage

Prebuild

npx expo prebuild

Import Storage from @instantdb/react-native-mmkv

// ༼ つ ◕_◕ ༽つ Real-time Chat
// ----------------------------------
// * Updates instantly
// * Multiplayer
// * Works offline

import { init, id } from '@instantdb/react-native';
import MMKVStore from '@instantdb/react-native-mmkv';

const db = init({
  appId: process.env.EXPO_PUBLIC_INSTANT_APP_ID,
  Store: MMKVStore,
});

function Chat() {
  // 1. Read
  const { isLoading, error, data } = db.useQuery({
    messages: {},
  });

  // 2. Write
  const addMessage = (message) => {
    db.transact(db.tx.messages[id()].update(message));
  };

  // 3. Render!
  return <UI data={data} onAdd={addMessage} />;
}

Get Started

Follow the getting started tutorial to set up a live React Native app in under 5 minutes!

Questions?

If you have any questions, feel free to drop us a line on our Discord