android.text.style
Interface UpdateLayout

All Known Implementing Classes:

AbsoluteSizeSpan, DynamicDrawableSpan, ImageSpan, MetricAffectingSpan, MetricAffectingSpan.Passthrough, RelativeSizeSpan, ReplacementSpan, ScaleXSpan, StyleSpan, SubscriptSpan, SuperscriptSpan, TextAppearanceSpan, TypefaceSpan

public interface UpdateLayout

The classes that affect character-level text formatting in a way that triggers a text layout update when one is added or remove must implement this interface.