iphone 中被后台杀死的应用程序再次打开时调用哪个方法?

Which method is called when app which has been killed from background in iphone is opened again?

在我们的应用程序被 iOS 或用户自己从后台 removed/Killed 后,再次打开时调用哪个方法?

嗯,我相信,'applicationDidFinishLaunchingWithOptions' 被调用是因为应用程序已被终止,它会再次重新启动。是这样吗?

你说得对!正如 Apple 文档中所述:

您还可以阅读完整版here