Message in Chinese (Simplified) (中文(简体))
“<var>X</var>”不是有效的活动执行回调。“<var>Y</var>”使用的执行回调必须是“<var>Y</var>”上的实例方法。
Unlocalized message
'<var>X</var>' is not a valid activity execution callback. The execution callback used by '<var>Y</var>' must be an instance method on '<var>Y</var>'.
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