public static async bool launch_default_for_uri_async (string uri, AppLaunchContext? context, Cancellable? cancellable = null) throws Error
Async version of launch_default_for_uri.
This version is useful if you are interested in receiving error information in the case where the application is sandboxed and the portal may present an application chooser dialog to the user.
This is also useful if you want to be sure that the D-Bus–activated applications are really started before termination and if you are interested in receiving error information from their activation.
the uri to show
an optional AppLaunchContext
a TaskReadyCallback to call when the request is done
data to pass to