UpdateAppearance
public interface UpdateAppearance
| android.text.style.UpdateAppearance |
 Known Indirect Subclasses
AbsoluteSizeSpan,
BackgroundColorSpan,
ClickableSpan,
DynamicDrawableSpan,
ForegroundColorSpan,
ImageSpan,
LocaleSpan,
MaskFilterSpan,
MetricAffectingSpan,
RasterizerSpan,
RelativeSizeSpan,
ReplacementSpan,
ScaleXSpan,
StrikethroughSpan,
StyleSpan, and
7 others.
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当添加或删除字符级别文本时，修改其外观的类必须实现此接口。 请注意，如果该课程也会影响规模或其他指标，则应改为执行UpdateLayout 。
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