android: 改变TabLayout 的文字大小

<style name="MyTabLayoutText" parent="TextAppearance.Design.Tab">

    <item name="android:textSize">17sp

</style>

<android.support.design.widget.TabLayout

    android:id="@+id/order_track_tablayout"

    android:layout_width="match_parent"

    android:layout_height="44dp"

    android:layout_alignParentLeft="true"

    android:layout_alignParentRight="true"

    app:tabGravity="center"

    app:tabIndicatorColor="@color/light_blue"

    app:tabIndicatorFullWidth="false"

    app:tabMode="fixed"

    app:tabSelectedTextColor="@color/light_blue"

    app:tabTextColor="@color/gray_33"

    app:tabTextAppearance="@style/MyTabLayoutText"/>