added in version 22.1.0


TextDirectionHeuristicCompat Interface for objects that use a heuristic for guessing at the paragraph direction by examining text. 


BidiFormatter Utility class for formatting text for display in a potentially opposite-directionality context without garbling. 
BidiFormatter.Builder A class for building a BidiFormatter with non-default options. 
TextDirectionHeuristicsCompat Some objects that implement TextDirectionHeuristic. 
TextUtilsCompat Backwards compatible version of TextUtils