布局中的奇怪异常 [英] Strange exception in layouts
问题描述
尝试调用此方法:
avatarIconImageView.setContentHuggingPriority(UILayoutPriorityDefaultLow, forAxis: UILayoutConstraintAxis.Horizontal)
并捕获此异常:
架构armv7的未定义符号:
"_UILayoutPriorityDefaultLow"，引用自: __TFC13TCProject_iOS36TCAvatarWithCounterUniversalCellView22configureBodyCellViewsfS0_FT_T_ 在TCAvatarUniversalCellView.o ld中:未找到符号 体系结构armv7 clang:错误:链接器命令失败，并带有退出代码 1(使用-v查看调用)
Undefined symbols for architecture armv7:
"_UILayoutPriorityDefaultLow", referenced from: __TFC13TCProject_iOS36TCAvatarWithCounterUniversalCellView22configureBodyCellViewsfS0_FT_T_ in TCAvatarUniversalCellView.o ld: symbol(s) not found for architecture armv7 clang: error: linker command failed with exit code 1 (use -v to see invocation)
什么意思?
推荐答案
这看起来像是iOS 8 SDK中的错误.您可以通过传入原始值来解决此问题.
This looks like a bug in the iOS 8 SDK. You can work around this by just passing in a raw value.
- UILayoutPriorityDefaultRequired = 1000
- UILayoutPriorityDefaultHigh = 750
- UILayoutPriorityDefaultLow = 250
以您的情况
avatarIconImageView.setContentHuggingPriority(250, forAxis: UILayoutConstraintAxis.Horizontal)
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