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mtmobile
V2EX  ›  iDev

Cell 不能满足静态约束问题

  •  
  •   mtmobile · May 10, 2015 · 2479 views
    This topic created in 4024 days ago, the information mentioned may be changed or developed.

    问题引出:
    在iOS7、iOS8下使用AutoLayout进行布局自定义CELL 时候,调用动态计算tableview cell 高度方法会抛出不能满足静态约束的错误。
    动态计算cell高度通过 CGFloat height = [cell.contentView systemLayoutSizeFittingSize:UILayoutFittingCompressedSize].height API返回。

    问题解决:
    需要在-(id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier方法里设置 self.contentView.translatesAutoresizingMaskIntoConstraints = NO;
    经过测试,iOS6下不需要设置上面属性,否则会抛出异常。

    参考资料:
    http://stackoverflow.com/questions/19550875/dynamic-uitableview-cell-height-with-autolayout-with-dynamic-type-labels

    http://stackoverflow.com/questions/19132908/auto-layout-constraints-issue-on-ios7-in-uitableviewcell

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