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2
issues of
朱利
2018-05-28 20:04:20.696946+0800 DownloadButton_Example[22493:1707307] +[CATransaction synchronize] called within transaction 2018-05-28 20:04:21.066380+0800 DownloadButton_Example[22493:1707307] [LayoutConstraints] Unable to simultaneously satisfy constraints. Probably at least one of the constraints in the following list is one...
目前好像不支持横屏显示！！