nicklockwood/FXBlurView — pull request #91 by haoyuexing (2014-12-24 03:01:53+00:00)
Title: fix error "<Error>: CGContextRestoreGState: invalid context 0x0. This is...

fix error ": CGContextRestoreGState: invalid context 0x0. This is a serious error. This application, or a library it uses, is using an invalid context and is thereby contributing to an overall degradation of system stability and reliability. This notice is a courtesy: please fix this problem. It will become a fatal error in an upcoming update."