index.js

import React from 'react';
import {Button} from 'react-native';
import { useSharedValue } from 'react-native-reanimated';

function App() {
  const sharedValue = useSharedValue(0);
  return (
    <Button
      onPress={() => sharedValue.value += 1}
      title="Press to count..."
    />
  );
};