本文介绍了如何解决在使用ARC(Automatic Reference Counting)时遇到的编译错误。主要建议包括移除所有对release方法的调用，因为ARC会自动处理引用计数；另外还可以通过Xcode提供的转换工具将项目转换为支持ARC的形式。禁用整个项目的ARC也是另一种选择，但作者推荐使用ARC以简化开发流程并提高效率。
转载自：http://stackoverflow.com/questions/7164848/arc-error-when-compiling
Simply remove all calls to-release. You're not allowed to call-releaseunder ARC because the compiler will insert all the necessaryretain/releasecalls for you. Read more about ARChere.
The other way is to use the conversion tool, and Xcode can convert your project to ARC (including removing these calls) for you:
To disable ARC entirely, change your build settings:
However I'd recommend you start using ARC, it will make things a lot easier and actually faster too.
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