launchUrl method

Implementation

@override
Future<bool> launchUrl(String url, LaunchOptions options) async {
  final bool inApp;
  switch (options.mode) {
    case PreferredLaunchMode.inAppWebView:
    case PreferredLaunchMode.inAppBrowserView:
      // The iOS implementation doesn't distinguish between these two modes;
      // both are treated as inAppBrowserView.
      inApp = true;
    case PreferredLaunchMode.externalApplication:
    case PreferredLaunchMode.externalNonBrowserApplication:
      inApp = false;
    case PreferredLaunchMode.platformDefault:
    // Intentionally treat any new values as platformDefault; support for any
    // new mode requires intentional opt-in, otherwise falling back is the
    // documented behavior.
    // ignore: no_default_cases
    default:
      // By default, open web URLs in the application.
      inApp = url.startsWith('http:') || url.startsWith('https:');
      break;
  }

  if (inApp) {
    return _mapInAppLoadResult(
        await _hostApi.openUrlInSafariViewController(url),
        url: url);
  } else {
    return _mapLaunchResult(await _hostApi.launchUrl(url,
        options.mode == PreferredLaunchMode.externalNonBrowserApplication));
  }
}