Also Mate i Think my Englisch is bad an you can not Unterstand my Problem Claer but i Told it now Again 🙂
Also when i am Cut a Device i Press my Home Button The App must now Work on Background (on Marshmellow it Work) now On Nougat i Make it Too i start the App Cut the Persons Wifi and now they stand Add to Blacklist now i Press my Homebutton and the App must Work On Backgorund but now the Problem on Nougat is when i Screen Off my Phone and wait Like 20 mins and Wake Up my Phone i became a Notify Netcut grand to SuperSU so now i Go to the App and they Stand The Error in The Pictures that i Send. The App is Like i Killed it and Stsrt it now it so but On Marshmellow it working Great i Cut the Person and Screen Off and on morning the App is Running too but on Nougat its Not so i dont Know why. Hope this i Clear and Thank you Again 🙂