internal Platform(FormsApplicationPage page)
{
_page = page;
var busyCount = 0;
MessagingCenter.Subscribe(this, Page.BusySetSignalName, (Page sender, bool enabled) =>
{
busyCount = Math.Max(0, enabled ? busyCount + 1 : busyCount - 1);
});
MessagingCenter.Subscribe <Page, AlertArguments>(this, Page.AlertSignalName, OnPageAlert);
MessagingCenter.Subscribe <Page, ActionSheetArguments>(this, Page.ActionSheetSignalName, OnPageActionSheet);
}
