关于CGContextRef无效的问题www.weide1946.com

2019-06-29 18:20 来源:未知

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1,This is a 'Commercial Vehicles Only' road sign.

  • ##### 在实现CGContextRef制图的过程用,因为直接调用“[self drawRect:self.bounds]www.weide1946.com,”出现啦如下错误:

    Nov 7 15:22:09 7777 PasswordDemo[15969] : CGContextSaveGState: 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. Nov 7 15:22:09 7777 PasswordDemo[15969] : CGContextBeginPath: 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. Nov 7 15:22:09 7777 PasswordDemo[15969] : CGContextSetLineWidth: 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. Nov 7 15:22:09 7777 PasswordDemo[15969] : CGContextSetLineCap: 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. Nov 7 15:22:09 7777 PasswordDemo[15969] : CGContextSetLineJoin: 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. Nov 7 15:22:09 7777 PasswordDemo[15969] : CGContextSetRGBStrokeColor: 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. Nov 7 15:22:09 7777 PasswordDemo[15969] : CGContextMoveToPoint: 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.

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