标签: ios autolayout
自动布局中红色中断线的含义见下图?
答案 0 :(得分:1)
查看官方指南:https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/AutolayoutPG/ResolvingIssues/ResolvingIssues.html
错位或不明确的约束以橙色显示,冲突的约束为红色。