获取应用程序的主窗口 [英] Get Application's main window

问题描述

UIApplication 有一个方法 keyWindow，但是如果显示了一个警报视图，那么这将返回警报视图的窗口，而不是应用程序的主窗口.

UIApplication has a method keyWindow, however if an alert view is showing then this returns the window of the alert view and not the main window of the application.

如何获取应用的主窗口?

How can I get the app's main window?

推荐答案

UIApplicationDelegate 通常有对主窗口"的引用:

The UIApplicationDelegate usually has a reference to the "main window":

[[[UIApplication sharedApplication] delegate] window];

此外，UIApplication 有一个窗口数组 [[UIApplication sharedApplication] windows].

Furthermore, UIApplication has an array of windows [[UIApplication sharedApplication] windows].

请参阅UIApplication 类参考.

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