设计器无法加载“<var>X</var>”的布局信息。找不到使用“<var>Z</var>”属性指定的名为“<var>Y</var>”的 Activity。

Message in Chinese (Simplified) (中文(简体))

Unlocalized message

Designer can not load the layout information for '<var>X</var>'. Could not find activity with name '<var>Y</var>' specified using the '<var>Z</var>' property.

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