Value: 16843502
The extra value of the subtype. This string can be any string and will be passed to the IME when the framework calls the IME with the subtype.
Must be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character.
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.