RN Biometry

component.tsx

import React, { FC, useEffect } from 'react';
import FingerprintScanner from 'react-native-fingerprint-scanner';

const BiometricPopup: FC = () => {
  const getMessage = (type: string) => {
    if (type === 'Face ID') {
      return 'Scan your Face on the device to continue';
    }
    return 'Scan your Fingerprint on the device scanner to continue';
  };

  useEffect(() => {
    FingerprintScanner.isSensorAvailable().then(async (biometryType) => {
      if (biometryType !== null && biometryType !== undefined) {
        await FingerprintScanner.authenticate({
          description: getMessage(biometryType)
        });
        // TODO: logic
      }
    });
  }, []);

  return <></>;
};

export default BiometricPopup;