{"id":15104,"date":"2024-08-30T10:52:41","date_gmt":"2024-08-30T01:52:41","guid":{"rendered":"https:\/\/www.ecomottblog.com\/?p=15104"},"modified":"2024-08-30T10:52:41","modified_gmt":"2024-08-30T01:52:41","slug":"react-native%e3%81%abhtml%e3%82%b3%e3%83%bc%e3%83%89%e3%82%92%e6%b7%b7%e3%81%9c%e3%81%a6%e3%81%bf%e3%81%9f%e8%a9%b1","status":"publish","type":"post","link":"https:\/\/www.ecomottblog.com\/?p=15104","title":{"rendered":"React Native\u306bHTML\u30b3\u30fc\u30c9\u3092\u6df7\u305c\u3066\u307f\u305f\u8a71"},"content":{"rendered":"

\u3053\u3093\u306b\u3061\u306f\uff01
\n\u30af\u30e9\u30a6\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u90e8\u306e\u5927\u5ddd\u3067\u3059\u3002<\/p>\n

\u4eca\u56de\u306f\u3001React Native\u3067HTML\u30b3\u30fc\u30c9\u3092\u6df7\u305c\u3066\u4f7f\u3063\u3066\u307f\u305f\u8a71\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\uff01
\n\u300c\u3048\u3063\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u306bHTML\u3092\u6df7\u305c\u308b\u3063\u3066\u3069\u3046\u3044\u3046\u3053\u3068\uff1f\u300d\u3068\u601d\u3063\u305f\u65b9\u3001\u5b9f\u306f\u3053\u308c\u304c\u3068\u3066\u3082\u4fbf\u5229\u306a\u3093\u3067\u3059\u3088\u30fb\u30fb\u30fb\uff01
\n\u3067\u306f\u65e9\u901f\u3001\u305d\u306e\u4f53\u9a13\u8ac7\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\uff01<\/p>\n

<\/p>\n

\u306f\u3058\u3081\u306b<\/h2>\n

React Native\u3067\u958b\u767a\u3092\u9032\u3081\u3066\u3044\u308b\u3068\u3001\u300c\u3053\u306eWeb\u30da\u30fc\u30b8\u3001\u30a2\u30d7\u30ea\u306e\u4e00\u90e8\u3068\u3057\u3066\u305d\u306e\u307e\u307e\u4f7f\u3048\u305f\u3089\u4fbf\u5229\u306a\u306e\u306b\u2026\u300d\u3068\u601d\u3046\u77ac\u9593\u304c\u3042\u308a\u307e\u305b\u3093\u304b\uff1f
\n\u305d\u308c\u304c\u3067\u304d\u308b\u306e\u304c\u3001\u307e\u3055\u306breact-native-webview\u306a\u3093\u3067\u3059\u3002\u3053\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001Web\u30da\u30fc\u30b8\u3084HTML\u30b3\u30f3\u30c6\u30f3\u30c4\u3092React Native\u30a2\u30d7\u30ea\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u7d44\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u306a\u305cHTML\u3092\u6df7\u305c\u308b\u306e\u304b\uff1f<\/h2>\n

\u307e\u305a\u3001\u305d\u3082\u305d\u3082\u300c\u306a\u305cHTML\u3092\u6df7\u305c\u308b\u306e\u304b\uff1f\u300d\u3068\u3044\u3046\u7591\u554f\u304c\u6d6e\u304b\u3076\u3068\u601d\u3044\u307e\u3059\u3002
\n\u7406\u7531\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u65e2\u5b58\u306eWeb\u30b3\u30f3\u30c6\u30f3\u30c4\u3084\u52d5\u7684\u306a\u30da\u30fc\u30b8\u3092\u518d\u5229\u7528\u3057\u305f\u3044\u304b\u3089<\/span><\/strong>\u3067\u3059\uff01\uff01
\n\u4f8b\u3048\u3070\u3001\u65e2\u306b\u5b58\u5728\u3059\u308b\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\u3084\u30d6\u30ed\u30b0\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3001\u30a2\u30d7\u30ea\u5185\u306b\u305d\u306e\u307e\u307e\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308c\u3070\u3001\u958b\u767a\u306e\u624b\u9593\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u3067\u3082\u3001\u300c\u305d\u308c\u306a\u3089Web\u30a2\u30d7\u30ea\u3067\u3044\u3044\u3093\u3058\u3083\u306a\u3044\uff1f\u300d\u3068\u601d\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002
\n\u3057\u304b\u3057\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30d7\u30ea\u306e\u9b45\u529b\u306f\u3001\u30ab\u30e1\u30e9\u3084GPS\u3001\u901a\u77e5\u306a\u3069\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u6a5f\u80fd\u3092\u30d5\u30eb\u306b\u6d3b\u7528\u3067\u304d\u308b\u70b9\u306b\u3042\u308a\u307e\u3059\u3002
\n\u305d\u3053\u3067\u3001\u3053\u306e\u4e8c\u3064\u306e\u4e16\u754c\u3092\u878d\u5408\u3055\u305b\u305f\u300c\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30a2\u30d7\u30ed\u30fc\u30c1\u300d\u304c\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n

WebView\u306bJavaScript\u3092\u57cb\u3081\u8fbc\u3080\u3053\u3068\u3067\u3001Web\u30da\u30fc\u30b8\u3068\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u76f8\u4e92\u306b\u3084\u308a\u53d6\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
\n\u4f8b\u3048\u3070\u3001\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u30c8\u30ea\u30ac\u30fc\u3057\u305f\u308a\u3001\u30a2\u30d7\u30ea\u304b\u3089Web\u30da\u30fc\u30b8\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u306a\u3069\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\uff01<\/p>\n

import React, {useRef, useState} from 'react';\nimport {Alert, SafeAreaView, StyleSheet, Text, View} from 'react-native';\nimport {TextInput} from 'react-native-gesture-handler';\nimport WebView from 'react-native-webview';\n\nconst DebugScreen = () => {\n  const [text, setText] = useState('React Native\u5185\u306e\u30c6\u30ad\u30b9\u30c8');\n\n  var htmlContent = `\n   <html>\n      <head>\n          <meta charset=\"UTF-8\" \/>\n          <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" \/>\n      <\/head>\n      <body>\n        <h1 style=\"color: blue;\">\u3053\u308c\u306fHTML\u3067\u3059<\/h1>\n        <p>Web\u306e\u4e16\u754c\u3068\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u4e16\u754c\u3092\u878d\u5408\u3057\u307e\u3057\u305f\uff01<\/p>\n        <button onclick=\"alert('\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\uff01')\">HTML\u3067\u30a2\u30e9\u30fc\u30c8\u3092\u8868\u793a<\/button>\n        <button onclick=\"sendReactNative()\">React Native\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b<\/button>\n      <\/body>\n    <\/html>\n    <style>\n      html {\n        background-color: #cffcfb;\n      }\n      button {\n        margin: 10px;\n        padding: 10px;\n        background-color: #f0f0f0;\n        border: 1px solid #000;\n        border-radius: 5px;\n        cursor: pointer;\n      }\n    <\/style>\n    <script>\n      function sendReactNative() {\n        window.ReactNativeWebView.postMessage('Webview\u304b\u3089React Native\u306b\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3057\u307e\u3057\u305f\uff01');\n      }\n    <\/script>\n  `;\n\n  const webview = useRef(null);\n\n  const _handleMessage = event => {\n    \/\/ \u3053\u3053\u3067Webview\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305f\u5024\u3092React Native\u5074\u3067\u53d7\u3051\u53d6\u308b\n    setText(event.nativeEvent.data);\n  };\n\n  const ReactNativeComponent = () => {\n    return (\n      <View style={{marginTop: 30}}>\n        <Text>React Native\u5185\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/Text>\n        <TextInput value={text} style={{borderWidth: 1, borderColor: 'black', backgroundColor: '#FFFFFF', padding: 10, margin: 10}} \/>\n      <\/View>\n    );\n  };\n\n  return (\n    <SafeAreaView style={styles.webviewContainer}>\n      <View style={styles.container}>\n        <WebView\n          source={{html: htmlContent}}\n          originWhitelist={['*']}\n          allowsInlineMediaPlayback={true}\n          mediaPlaybackRequiresUserAction={false}\n          scrollEnabled={false}\n          scalesPageToFit={true}\n          useWebKit={true}\n          javaScriptCanOpenWindowsAutomatically\n          ref={webview}\n          onMessage={_handleMessage}\n          overScrollMode={'never'}\n        \/>\n        <ReactNativeComponent \/>\n      <\/View>\n    <\/SafeAreaView>\n  );\n};\n\nconst styles = StyleSheet.create({\n  container: {\n    flex: 1,\n  },\n  webviewContainer: {\n    flex: 0.5,\n  },\n});\n\nexport default DebugScreen;\n<\/code><\/pre>\n
\n