Value: 16842912
State identifier indicating that the object is currently checked. See Android.Resource.Attribute.StateCheckable for an additional identifier that can indicate if any object may ever display a check, regardless of whether state_checked is currently set.
Must be a boolean value, either "true" or "false".
This may also be a reference to a resource (in the form "@[package:]type:name") or theme attribute (in the form "?[package:][type:]name") containing a value of this type.