Onboarding.tsx

import PagerView from 'react-native-pager-view';
import React, {useRef, useState} from 'react';
import {StyleSheet, Text, TouchableOpacity, View} from 'react-native';
import {Formik} from 'formik';

import GetStarted from './GetStarted';
import Registration from './Registration';
import Verification from './Verification';
import Theme from '../../utils/theme';
import {SafeAreaView} from 'react-native-safe-area-context';
import {registerSchema} from '../../models/registerSchema';

export const Onboarding: React.FunctionComponent = () => {
  const pagerRef: React.LegacyRef<PagerView> = useRef(null);

  const onPageChange = (page: number) => {
    pagerRef.current?.setPage(page);
  };

  return (
    <SafeAreaView style={styles.container}>
      <Formik
        initialValues={{}}
        validationSchema={registerSchema}
        onSubmit={values => console.log(values)}>
        <PagerView style={{flex: 1}} ref={pagerRef} scrollEnabled={false}>
          <View key="1">
            <GetStarted onPageChange={onPageChange} />
          </View>
          <View key="2">
            <Registration onPageChange={onPageChange} />
          </View>
          <View key="3">
            <Verification onPageChange={onPageChange} />
          </View>
        </PagerView>
      </Formik>
    </SafeAreaView>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: Theme.colors.lightGray,
  },
});