android:textAppearance="?android:attr/textAppearanceSmall"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textAppearance="?android:attr/textAppearanceLarge”
原文：http://www.cnblogs.com/apes-monkeys/p/4031148.html