url property

String? url
final

[final String? url;[ is declaring an optional instance variable [url of type [String[. The [?[ after the type [String[ indicates that the variable can be [null[. This variable can be used to pass a URL string to the [InAppWebView[ widget, which can be loaded in the [WebView[. If no URL is provided, the [WebView[ will not load any page.

Implementation

final String? url;