本文主要是介绍Permission is only granted to system apps less，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
1.错误描述
Permission is only granted to system apps less... (Ctrl+F1)
Permissions with the protection level signature or signatureOrSystem are only granted to system apps. If an app is a regular non-system app, it will never be able to use these permissions.
2.错误原因
当使用到系统权限是就会有红色提醒，编译可以通过但是看着闹心；
3.解决方案
File -> Settings -> Editor -> Inspections
在Android Lint下面，将 Using system app permission的Error改成Warning，然后保存；
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