# ios 7 Autolayout bug
> 错误类型:NSInternalInconsistencyException(SIGABRT)
> 详情:Auto Layout still required after executing -layoutSubviews. MttFeedsVideoActionBar's implementation of -layoutSubviews needs to call super.
根据提示,在使用autolayout的场景下,actionbar的layoutsubview()方法里,需要在[super layoutsubviews()] 调用之前,先调用autolayout的约束方法,所以就这么处理:
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