unexpected nil window in _UIApplicationHandleEventFromQueueEvent

浏览数：253 / 时间：2015年06月11日

 

 


2down vote

Additional to B H answer. Also look this answer.

Got this issue when launching my landscape only app from portrait orientation (also the app shouldn‘t be presented in recently opened apps list, which can be seen by pressing Home button twice. Perhaps, iOS somehow caches the orientation and window size).

My code was

self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
[self.window makeKeyAndVisible];

I set W+H autoresizing mask for window, it didn‘t help me, because the window don‘t being resized on rotation, but the transform matrix is changed.

The solution is simple

self.window = [UIWindow new];
[self.window makeKeyAndVisible];
self.window.frame = [[UIScreen mainScreen] bounds];

So the frame is set AFTER the window get its orientation from root view controller.

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标签： Android iOS 移动互联 终端开发

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