Android的系统自带的文字外观设置
以?android:attr/textAppearance开头，或?attr/textAppearance开头
android:textAppearance="?android:attr/textAppearanceSmall"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textAppearance="?android:attr/textAppearanceLarge"
android:textAppearance="?android:attr/textAppearanceLarge”
在引用appcompat-v7包后，还可以使用
以@style/TextAppearance开头，或@android:style/TextAppearance开头
android:textAppearance="@style/TextAppearance.AppCompat.Body2"
android:textAppearance="@android:style/TextAppearance.Material.Caption"
原文：http://www.cnblogs.com/rfheh/p/5430342.html