rn-app/App.js

import React, {useState} from 'react';
import {
  SafeAreaView,
  StyleSheet,
  Text,
  View,
  useColorScheme,
} from 'react-native';
import {
  Button,
  MD3Colors,
  ProgressBar,
  Searchbar,
  Snackbar,
  Switch,
  TextInput,
} from 'react-native-paper';
import {Colors} from 'react-native/Libraries/NewAppScreen';

function App() {
  const [text, setText] = useState('');

  const [visible, setVisible] = useState(false);

  const [isSwitchOn, setIsSwitchOn] = React.useState(false);

  const onToggleSwitch = () => setIsSwitchOn(!isSwitchOn);

  const isDarkMode = useColorScheme() === 'dark';

  const [searchQuery, setSearchQuery] = React.useState('');

  const onChangeSearch = query => setSearchQuery(query);

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

  return (
    <SafeAreaView>
      <Button mode="contained-tonal" onPress={() => console.log('Pressed')}>
        Press
      </Button>
      <ProgressBar progress={0.3} color={MD3Colors.error50} />

      <TextInput label="Email" />

      <Switch value={isSwitchOn} onValueChange={onToggleSwitch} />

      <Searchbar
        placeholder="Search"
        onChangeText={onChangeSearch}
        value={searchQuery}
      />
    </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;