# Create an app with expo
npx create-expo-app instant-rn-demo
cd instant-rn-demo

# Install instant
npm i @instantdb/react-native

# Install peer dependencies
npm i @react-native-async-storage/async-storage @react-native-community/netinfo react-native-get-random-values

import { init, tx } from '@instantdb/react-native';
import { View, Text, Button, StyleSheet } from 'react-native';

// Visit https://instantdb.com/dash to get your APP_ID :)
const APP_ID = '__APP_ID__';

const db = init({ appId: APP_ID });

function App() {
  const { isLoading, error, data } = db.useQuery({ colors: {} });
  if (isLoading) {
    return (
      <View>
        <Text>Loading...</Text>
      </View>
    );
  }
  if (error) {
    return (
      <View>
        <Text>Error: {error.message}</Text>
      </View>
    );
  }

  return <Main data={data} />;
}

const selectId = '4d39508b-9ee2-48a3-b70d-8192d9c5a059';

function Main({ data }) {
  const { colors } = data;
  const { color } = colors[0] || { color: 'grey' };

  return (
    <View style={[styles.container, { backgroundColor: color }]}>
      <View style={styles.spaceY4}>
        <Text style={styles.header}>Hi! pick your favorite color</Text>
        <View style={styles.spaceX4}>
          {['green', 'blue', 'purple'].map((c) => {
            return (
              <Button
                title={c}
                onPress={() => {
                  db.transact(tx.colors[selectId].update({ color: c }));
                }}
                key={c}
              />
            );
          })}
        </View>
      </View>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center',
  },
  spaceY4: {
    marginVertical: 16,
  },
  spaceX4: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    marginHorizontal: 16,
  },
  header: {
    fontSize: 24,
    fontWeight: 'bold',
    marginBottom: 16,
  },
});

export default App;

npm run start