Expoでアプリ内ブラウザを開く（expo-web-browser）

npx expo install expo-web-browser

import * as WebBrowser from 'expo-web-browser';
import { Button } from 'react-native';
export default function App() {
  const openLink = async () => {
    await WebBrowser.openBrowserAsync('https://example.com');
  };
  return <Button title="링크 열기" onPress={openLink} />;
}

const result = await WebBrowser.openBrowserAsync('https://example.com');
if (result.type === 'dismiss') {
  console.log('브라우저가 닫혔습니다.');
}