I think we don't still have any property to know a button is pressed or not yet.
So I want to know the status and want to observe it with EventHandler or TriggerAction.
Probably the following PR fixed this issue.
I'll Close this. Thanks.
Verified this bug on latest xamarin.forms version - 188.8.131.526-pre6
According to PR changes in #comment1, are reflected in both visual studio for mac & windows.Please check attached screen cast.
Screencast (Mac)- https://www.screencast.com/t/xmLYJwGW9yh
gist link- https://gist.github.com/nehaKh/8661fb4f5691b0f2de886f478b20e5ee