Re: Invalid JSNI method reference

For the method you're using, you could make it more general-purpose:

public static void messageBox( String sTitle, Object message )
{
Window.alert( sTitle + " | " + message.toString() );
}


@com.ecopy.gwt.client.Utils::messageBox(Ljava/lang/String;,Ljava/lang/Object;)("TheTitle", 99.999);

And I believe that AutoBoxing will take care of the double-to-Double conversion, but haven't actually tested that.

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