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Reading Frame Buffer Denied even after signing with system permissions

开发者 https://www.devze.com 2023-03-08 06:37 出处:网络
I signed my app with system permissions and I am using ndk to read from /dev/graphics/fb0. But I get a permissions denied error. Aren\'t system per开发者_Python百科missions suppose to allow you to do

I signed my app with system permissions and I am using ndk to read from /dev/graphics/fb0. But I get a permissions denied error. Aren't system per开发者_Python百科missions suppose to allow you to do anything ?? Thank you for your time.

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