B17－iOS9的适配相关

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1、警告directory not found for option问题

      ld: warning: directory not found for option ‘-F/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk/Developer/Library/Frameworks‘

      出现原因是因为Xcode7将framworks位置改变了，目前还没有方法解决。

2、控制台输出error问题，（不影响程序运行）
         Sep 22 13:48:43  openBridge[2525] <Error>: CGContextSaveGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
         Sep 22 13:48:43  openBridge[2525] <Error>: CGContextTranslateCTM: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.
         Sep 22 13:48:43  openBridge[2525] <Error>: CGContextRestoreGState: invalid context 0x0. If you want to see the backtrace, please set CG_CONTEXT_SHOW_BACKTRACE environmental variable.

         解决方法：info.plist内的View controller-based status bar appearance键值对，改为YES或者删掉即可。

3、iOS9适配参考文章

   http://www.cocoachina.com/ios/20150703/12392.html

B17－iOS9的适配相关

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原文地址：http://www.cnblogs.com/yaann/p/4829582.html