React Native (Detecting Orientation Changes)

import { StatusBar } from 'expo-status-bar';
import { Dimensions, useWindowDimensions, StyleSheet, Text, View, TouchableWithoutFeedback, TouchableOpacity, TouchableHighlight, Alert, Image, SafeAreaView, Button  } from 'react-native';
import { useDeviceOrientation } from '@react-native-community/hooks';

export default function App() {
  const orientation = useDeviceOrientation();

  return (
    <SafeAreaView style={styles.container}>

      <View
        style = {{

          backgroundColor: 'dodgerblue',
          width: '100%',
          height: orientation === 'landscape' ? "100%" : "30%",

        }}
      ></View>

      <StatusBar style="auto" />

    </SafeAreaView>
  );
}

const containerStyle = {backgroundColor: "orange"};

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: 'orange'
  },
});