如何识别游戏包消息窗口？ [英] How do I identify the gamekit message window?

问题描述

当带有GameKit的iPhone应用程序启动并且该设备已经登录到GameCenter时，屏幕顶部会出现一条小消息，上面写着欢迎回来％username！。

When an iPhone app with GameKit launches, and the device is already logged in to GameCenter, a small message slides in on top of the screen, saying something along the lines of "Welcome back %username!".

我发现的是以下内容：该消息出现在自己的 UIWindow 中，最终将消息滑走并释放。屏幕上显示该消息时，您可以注销以下内容：

What I found out is the following: that message appears in its own UIWindow that eventually slides the message away and releases itself. When the message is onscreen, you can log out the following:


所有窗口：（
< UIWindow ：0x31fc70；帧=（0 0; 320480）；不透明=否；自动调整大小= RM + BM；图层=< CALayer：0x31fe60>，
< UIWindow：0x3874c0;帧=（0 0; 320480）; opaque = NO; userInteractionEnabled = NO; layer =< CALayer：0x387590>>"
）

在一般情况下，我需要区分两个窗口-我需要一个-（UIWindow *）topNormalWindow 函数的东西，该函数将返回最上面的窗口，既不是A）警报也不是B）游戏中心消息。我已经有一个-（UIWindow *）topNonAlertWindow，它确定不是警报的顶部窗口，但是游戏包消息不是，但也不是（出于我的目的）普通窗口。

I need to distinguish the two windows in the general case -- I need something along the lines of a -(UIWindow *)topNormalWindow function that will return the topmost window that isn't either A)an alert or B)the gamecenter message. I already have a -(UIWindow *)topNonAlertWindow that determines the top window that isn't an alert, but the gamekit message isn't, but nor is it (for my purposes) a normal window.

另外， autoresize = RM + BM; 是什么意思？

推荐答案

我通过简单地检查窗口是否具有 GKGameEventView 作为子视图来解决此问题。

I solved this problem by simply checking if the window had a GKGameEventView as a subview.

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