Terminating app due to uncaught exception 'CALayerInvalidGeometry', reason: 'CALayer position contai

最新推荐文章于 2020-01-08 18:43:31 发布

黑心老人

最新推荐文章于 2020-01-08 18:43:31 发布

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分类专栏： iOS

本文链接：https://blog.youkuaiyun.com/a472502927/article/details/21886355

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本文记录了一次解决iOS应用中出现的'CALayerInvalidGeometry'异常的过程，该异常源于WebView高度初始化值设置不当。通过调整初始高度值，成功避免了在iOS 6系统上的崩溃问题。

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Terminating app due to uncaught exception 'CALayerInvalidGeometry', reason: 'CALayer position contains NaN: [nan 660.5]'

//调用栈

0 CoreFoundation__exceptionPreprocess + 162
1 libobjc.A.dylibobjc_exception_throw + 30
2 CoreFoundation-[NSException initWithCoder:]
3 QuartzCore CA::Layer::set_position(CA::Vec2<double> const&, bool) + 210
4 QuartzCore -[CALayer setPosition:] + 50
5 QuartzCore -[CALayer setFrame:] + 538
6 UIKit -[UIView(Geometry) setFrame:] + 232
7 UIKit -[UIWebDocumentView setFrame:] + 132
8 UIKit -[UIWebBrowserView setFrame:] + 120
9 UIKit -[UIWebDocumentView _resetForNewPage] + 196
10 UIKit -[UIWebDocumentView layoutSubviews] + 76
11 UIKit -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 258
12 QuartzCore -[CALayer layoutSublayers] + 214
13 QuartzCore CA::Layer::layout_if_needed(CA::Transaction*) + 460
14 QuartzCore CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 16
15 QuartzCore CA::Context::commit_transaction(CA::Transaction*) + 238
16 QuartzCore CA::Transaction::commit() + 316
17 QuartzCore CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 60