Message in Chinese (Simplified) (中文(简体))
“<var>X</var>”不是 ActivityDelegate 的具体类型。
Unlocalized message
'<var>X</var>' is not a concrete type of ActivityDelegate.
Search by Google“<var>X</var>”不是 ActivityDelegate 的具体类型。
'<var>X</var>' is not a concrete type of ActivityDelegate.
Search by Google