App.js

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 *
 * @format
 * @flow strict-local
 */

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

import {
  Colors,
  DebugInstructions,
  Header,
  LearnMoreLinks,
  ReloadInstructions,
} from 'react-native/Libraries/NewAppScreen';

import {
  accelerometer,
  gyroscope,
  setUpdateIntervalForType,
  SensorTypes
} from "react-native-sensors";
import { map, filter } from "rxjs/operators";

const Section = ({ children, title }) => {
  const isDarkMode = useColorScheme() === 'dark';
  return (
    <View style={styles.sectionContainer}>
      <Text
        style={[
          styles.sectionTitle,
          {
            color: isDarkMode ? Colors.white : Colors.black,
          },
        ]}>
        {title}
      </Text>
      <Text
        style={[
          styles.sectionDescription,
          {
            color: isDarkMode ? Colors.light : Colors.dark,
          },
        ]}>
        {children}
      </Text>
    </View>
  );
};

const App = () => {
  const isDarkMode = useColorScheme() === 'dark';

  const [x, setX] = React.useState(0);
  const [y, setY] = React.useState(0);
  const [z, setZ] = React.useState(0);

  const backgroundStyle = {
    backgroundColor: isDarkMode ? Colors.darker : Colors.lighter,
  };

  console.log(`start === 1`);

  setUpdateIntervalForType(SensorTypes.accelerometer, 1000); // defaults to 100ms

  console.log(`start === 2`);

  const subscription = accelerometer.subscribe(({ x, y, z, timestamp }) => {
    setX(x);
    setY(y);
    setZ(z);
    console.log('RN sensors ===', x, y, z, timestamp);
  });

  console.log(`start === 3`);

  setTimeout(() => {
    console.log(`end === 4`);
    subscription.unsubscribe();
  }, 100000);

  return (
    <SafeAreaView style={backgroundStyle}>
      <StatusBar barStyle={isDarkMode ? 'light-content' : 'dark-content'} />
      <ScrollView
        contentInsetAdjustmentBehavior="automatic"
        style={backgroundStyle}>
        <Header />
        <View
          style={{
            backgroundColor: isDarkMode ? Colors.black : Colors.white,
          }}>
          <Section title="Accelerometer">
            X: <Text style={styles.highlight}>{x}</Text> Y: <Text style={styles.highlight}>{y}</Text> Z: <Text style={styles.highlight}>{z}</Text>
          </Section>
          <Section title="Step One">
            Edit <Text style={styles.highlight}>App.js</Text> to change this
            screen.
          </Section>
          <Section title="See Your Changes">
            <ReloadInstructions />
          </Section>
          <Section title="Debug">
            <DebugInstructions />
          </Section>
          <Section title="Learn More">
            Read the docs to discover what to do next:
          </Section>
          <LearnMoreLinks />
        </View>
      </ScrollView>
    </SafeAreaView>
  );
};

const styles = StyleSheet.create({
  sectionContainer: {
    marginTop: 32,
    paddingHorizontal: 24,
  },
  sectionTitle: {
    fontSize: 24,
    fontWeight: '600',
  },
  sectionDescription: {
    marginTop: 8,
    fontSize: 18,
    fontWeight: '400',
  },
  highlight: {
    fontWeight: '700',
  },
});

export default App;