flutter -如何打开邮件/短信应用程序

dependencies:
  url_launcher: ^6.0.0

import 'package:url_launcher/url_launcher.dart';

// 打开邮件应用程序
void openEmailApp() async {
  final Uri params = Uri(
    scheme: 'mailto',
    path: 'example@example.com',
    query: 'subject=Hello%20World&body=This%20is%20the%20body%20of%20the%20email',
  );

  String url = params.toString();
  if (await canLaunch(url)) {
    await launch(url);
  } else {
    throw 'Could not launch $url';
  }
}

// 打开短信应用程序
void openSMSApp() async {
  final Uri params = Uri(
    scheme: 'sms',
    path: '1234567890',
    query: 'body=Hello%20World',
  );

  String url = params.toString();
  if (await canLaunch(url)) {
    await launch(url);
  } else {
    throw 'Could not launch $url';
  }
}