unknown type name‘nsstring’ dec

导入第三方框架报错
expected identifier or'('

unknown type name‘nsstring’

declaration of 'protocol'must be imported from module'objectiveC.runtime'before it is required

屏幕快照 2016-10-05 23.39.36.png

解决办法

参考 http://blog.csdn.net/cloud_pro/article/details/51074391