随着iOS8的发布,我设计了我的桌面视图,细胞利用了自我调整大小的细胞.但我也需要我的表在iOS7中工作.我怎么做？有没有办法检查运行时是否支持自调整大小单元,还是可以在我的控制器中实现一些不会在iOS7中调用的表委托方法？
如果我在iOS7中使用自我调整单元格来尝试我的表格,我会在控制台上出现如下错误:
Unable to simultaneously satisfy constraints.
Probably at least one of the constraints in the following list is one you don't want. Try this: (1) look at each constraint and try to figure out which you don't expect; (2) find the code that added the unwanted constraint or constraints and fix it. (Note: If you're seeing NSAutoresizingMaskLayoutConstraints that you don't understand, refer to the documentation for the UIView property translatesAutoresizingMaskIntoConstraints)
(
"<NSLayoutConstraint:0x7fc912d1d5a0 V:|-(>=11)-[UILabel:0x7fc912d13900] (Names: '|':UITableViewCellContentView:0x7fc912d13400 )>",
"<NSLayoutConstraint:0x7fc912d1d6b0 V:[UILabel:0x7fc912d13900]-(11)-| (Names: …