github下载地址：https://github.com/nicklockwood/iConsole
偶然看到的一个iOS及时log日志查看工具，通过该工具，我们可以在任何想看日志的时候，通过手势呼出log日志页，查看app的crash信息或者其他信息。另外，也可以通过查看代码的实现方式，学习在window中，响应手势，这样不管我们进入什么页面，都能呼出iConsole的页面。
希望通过此工具，对各位与iOS有关的朋友提供帮助。
Purpose
iConsole is a simple, pluggable class to enable more useful in-app logging for your iPhone apps. It enables you to check error and crash logs within a built application without needing to connect to the Xcode debugger. It also allows non-technical beta testers of your applications to submit log information to you easily.
iConsole also serves another purpose: Using the command interface it provides an easy way to add debugging commands and let you toggle application features on and off at runtime in a way that can be easily disabled in the final release of your app, and doesn't require you to build additional throwaway user interface components.
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