React Native アプリケーションで React Native ジェスチャ ハンドラーを使用して長押し機能を実装する

npm install react-native-gesture-handler

<p>npx react-native link react-native-gesture-handler</p>

<p>import { GestureHandlerRootView } from 'react-native-gesture-handler';<br>
import { App } from './App';</p>

<p>export default function Main() {<br>
  return (<br>
    <GestureHandlerRootView style={{ flex: 1 }}><br>
      <App /><br>
    </GestureHandlerRootView><br>
  );<br>
}</p>

<p>import React, { useState } from 'react';<br>
import { Text, View, Modal, StyleSheet } from 'react-native';<br>
import { LongPressGestureHandler, State } from 'react-native-gesture-handler';</p>

<p>const CustomHeader = ({ microfrontendVersion, appInfo }) => {<br>
  const [isModalVisible, setModalVisible] = useState(false);</p>

<p>const onLongPress = (event) => {<br>
    if (event.nativeEvent.state === State.ACTIVE) {<br>
      // Show the modal with app info when long press is detected<br>
      setModalVisible(true);<br>
    }<br>
  };</p>

<p>return (<br>
    <View><br>
      {/* LongPressGestureHandler wraps the part of the UI where long press is to be detected <em>/</em>}<br>
      <LongPressGestureHandler onHandlerStateChange={onLongPress} minDurationMs={800}><br>
        <View style={styles.header}><br>
          <Text style={styles.headerTitle}>My Custom Header</Text><br>
        </View><br>
      </LongPressGestureHandler><br>
<br>
      {/ Modal to show the version and app info */}<br>
      <Modal<br>
        transparent={true}<br>
        visible={isModalVisible}<br>
        onRequestClose={() => setModalVisible(false)}<br>
      ><br>
        <View style={styles.modalContainer}><br>
          <View style={styles.modalContent}><br>
            <Text>Microfrontend Version: {microfrontendVersion}</Text><br>
            <Text>App Info: {appInfo}</Text><br>
            <Text onPress={() => setModalVisible(false)} style={styles.closeButton}>Close</Text><br>
          </View><br>
        </View><br>
      </Modal><br>
    </View><br>
  );<br>
};</p>

<p>const styles = StyleSheet.create({<br>
  header: {<br>
    padding: 16,<br>
    backgroundColor: '#6200EE',<br>
  },<br>
  headerTitle: {<br>
    color: 'white',<br>
    fontSize: 18,<br>
    fontWeight: 'bold',<br>
  },<br>
  modalContainer: {<br>
    flex: 1,<br>
    justifyContent: 'center',<br>
    alignItems: 'center',<br>
    backgroundColor: 'rgba(0, 0, 0, 0.5)',<br>
  },<br>
  modalContent: {<br>
    backgroundColor: 'white',<br>
    padding: 20,<br>
    borderRadius: 10,<br>
  },<br>
  closeButton: {<br>
    marginTop: 10,<br>
    color: 'blue',<br>
    textAlign: 'center',<br>
  },<br>
});</p>

<p>export default CustomHeader;</p>