Caution: it's important that you declare an appropriate parent theme from which your custom theme and style inherit their styles.

注意：这是你声明的合适的父主题，从您的自定义主题和风格继承他们的风格是很重要的。

youdao

If you do not specify a designer theme for a custom designer, the theme from the base class is used.

如果没有为自定义设计器指定设计器主题，则将使用基类中的主题。

youdao

From "So Cute" to the edgier "Street Beat", each Theme includes custom special effects, title treatments and song suggestions.

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