launchUrl method

Implementation

@override
Future<bool> launchUrl(String url, LaunchOptions options) async {
  final bool inApp;
  switch (options.mode) {
    case PreferredLaunchMode.inAppWebView:
    case PreferredLaunchMode.inAppBrowserView:
      inApp = true;
    case PreferredLaunchMode.externalApplication:
    case PreferredLaunchMode.externalNonBrowserApplication:
      // TODO(stuartmorgan): Add full support for
      // externalNonBrowsingApplication; see
      // https://github.com/flutter/flutter/issues/66721.
      // Currently it's treated the same as externalApplication.
      inApp = false;
    case PreferredLaunchMode.platformDefault:
    // Intentionally treat any new values as platformDefault; see comment in
    // supportsMode.
    // ignore: no_default_cases
    default:
      // By default, open web URLs in the application.
      inApp = url.startsWith('http:') || url.startsWith('https:');
      break;
  }

  final bool succeeded;
  if (inApp) {
    succeeded = await _hostApi.openUrlInApp(
      url,
      // Prefer custom tabs unless a webview was specifically requested.
      options.mode != PreferredLaunchMode.inAppWebView,
      WebViewOptions(
        enableJavaScript: options.webViewConfiguration.enableJavaScript,
        enableDomStorage: options.webViewConfiguration.enableDomStorage,
        headers: options.webViewConfiguration.headers,
      ),
      BrowserOptions(
        showTitle: options.browserConfiguration.showTitle,
      ),
    );
  } else {
    succeeded =
        await _hostApi.launchUrl(url, options.webViewConfiguration.headers);
  }

  // TODO(stuartmorgan): Remove this special handling as part of a
  // breaking change to rework failure handling across all platform. The
  // current behavior is backwards compatible with the previous Java error.
  if (!succeeded) {
    throw PlatformException(
        code: 'ACTIVITY_NOT_FOUND',
        message: 'No Activity found to handle intent { $url }');
  }

  return succeeded;
}