android.text.style
Class MetricAffectingSpan

java.lang.Object
  android.text.style.CharacterStyle
      android.text.style.MetricAffectingSpan

All Implemented Interfaces:

UpdateLayout

Direct Known Subclasses:

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

public abstract class MetricAffectingSpan
extends CharacterStyle
implements UpdateLayout

The classes that affect character-level text formatting in a way that changes the width or height of characters extend this class.

Nested Class Summary

(package private) static class

MetricAffectingSpan.Passthrough A Passthrough MetricAffectingSpan is one that passes MetricAffectingSpan.Passthrough.updateDrawState(android.text.TextPaint) and MetricAffectingSpan.Passthrough.updateMeasureState(android.text.TextPaint) calls through to the specified MetricAffectingSpan while still being a distinct object, and is therefore able to be attached to the same Spannable to which the specified MetricAffectingSpan is already attached.

Constructor Summary

MetricAffectingSpan()

Method Summary

MetricAffectingSpan	getUnderlying() Returns "this" for most MetricAffectingSpans, but for MetricAffectingSpans that were generated by CharacterStyle.wrap(android.text.style.CharacterStyle), returns the underlying MetricAffectingSpan.
abstract void	updateMeasureState(TextPaint p)

Methods inherited from class android.text.style.CharacterStyle

updateDrawState, wrap

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MetricAffectingSpan

public MetricAffectingSpan()

Method Detail

updateMeasureState

public abstract void updateMeasureState(TextPaint p)

getUnderlying

public MetricAffectingSpan getUnderlying()

Returns "this" for most MetricAffectingSpans, but for MetricAffectingSpans that were generated by CharacterStyle.wrap(android.text.style.CharacterStyle), returns the underlying MetricAffectingSpan.

Overrides:

getUnderlying in class CharacterStyle