Reproductive Health Permissions + Fetch Data

App.tsx

import React, { useState } from 'react'
import { SafeAreaView, ScrollView, StatusBar, StyleSheet, Text, View } from 'react-native'

import { Colors } from 'react-native/Libraries/NewAppScreen'
import AppleHealthKit, { HealthKitPermissions, HealthValue } from 'react-native-health'

/* Permission options */
const permissions = {
  permissions: {
    read: [
      AppleHealthKit.Constants.Permissions.MenstrualFlow,
      'CervicalMucusQuality',
      'Contraceptive',
      'IntermenstrualBleeding',
      'Lactation',
      'OvulationTestResult',
      'Pregnancy',
      'SexualActivity',
      'MenstrualFlow',
    ],
    write: [
      'BasalBodyTemperature',
      'CervicalMucusQuality',
      'Contraceptive',
      'IntermenstrualBleeding',
      'Lactation',
      'OvulationTestResult',
      'Pregnancy',
      'SexualActivity',
      'MenstrualFlow',
    ],
  },
} as HealthKitPermissions

AppleHealthKit.initHealthKit(permissions, (error) => {
  /* Called after we receive a response from the system */
  AppleHealthKit.getAuthStatus(permissions, (err, results) => {
    console.log(err, results, 'AUTH STATUS')
  })
  if (error) {
    console.log('[ERROR] Cannot grant permissions!')
  }
})

export default function App() {
  const [authStatus, setAuthStatus] = useState<any>({})

  const handleGetDataPressed = () => {
    let options = {
      startDate: new Date(2021, 0, 0).toISOString(), // required
      endDate: new Date().toISOString(), // optional; default now
      limit: 10, // optional; default no limit
    }
    AppleHealthKit.getMenstrualFlowSamples(options, (err: Object, results: Array<HealthValue>) => {
      if (err) {
        return
      }
      console.log(results)
    })
  }

  return (
    <>
      <StatusBar barStyle='dark-content' />
      <SafeAreaView>
        <ScrollView
          contentInsetAdjustmentBehavior='automatic'
          style={styles.scrollView}>
          <View style={styles.body}>
            <View style={styles.sectionContainer}>
              <Text style={styles.sectionTitle}>
                React Native Health Example
              </Text>
              <Text onPress={handleGetDataPressed}>
                Press me to get data
              </Text>
              <Text style={styles.sectionDescription}>
                {JSON.stringify(authStatus, null, 2)}
              </Text>
            </View>
          </View>
        </ScrollView>
      </SafeAreaView>
    </>
  )
}

const styles = StyleSheet.create({
  scrollView: {
    backgroundColor: Colors.lighter,
  },
  engine: {
    position: 'absolute',
    right: 0,
  },
  body: {
    backgroundColor: Colors.white,
  },
  sectionContainer: {
    marginTop: 32,
    paddingHorizontal: 24,
  },
  sectionTitle: {
    fontSize: 24,
    fontWeight: '600',
    color: Colors.black,
  },
  sectionDescription: {
    marginTop: 8,
    fontSize: 18,
    fontWeight: '400',
    color: Colors.dark,
  },
  highlight: {
    fontWeight: '700',
  },
  footer: {
    color: Colors.dark,
    fontSize: 12,
    fontWeight: '600',
    padding: 4,
    paddingRight: 12,
    textAlign: 'right',
  },
})