A styled string, specifying the style to be used for showing inline candidate text when composing with an input method. The text itself will be ignored, but the style spans will be applied to the candidate text as it is edited.

May be a reference to another resource, in the form "@[+][package:]type:name" or to a theme attribute in the form "?[package:][type:]name".

May be a string value, using '\\;' to escape characters such as '\\n' or '\\uxxxx' for a unicode character.

[Android Documentation]