Android Studio 无法预览xml布局视图 Failed to load AppCompat ActionBar with unknown error

Failed to load AppCompat ActionBar with unknown error

修改styles.xml，增加Base。

<resources>

    <!-- Base application theme. -->
    <style name="AppTheme" parent="Base.Theme.AppCompat.Light">
        <!-- Customize your theme here. -->
    </style>

</resources>