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當APP進入後臺時,是否可以接收UIApplicationWillResignActiveNotification?收到UIApplicationDidEnterBackgroundNotification後是否可以接收UIApplicationWillResignActiveNotification?
我的APP有一些麻煩,因爲有時候會先收到UIApplicationDidEnterBackgroundNotification,然後收到UIApplicationWillResignActiveNotification,其令人難以置信。