Solve issue with Android App

General information for the website: Use your Android phone to control your Laptop. Description of requirements/features: I need to make the app work in any Android version , I don't know why it didn't work with most versions I need to solve the issue of this application , when i pressed the live screen the app close. when i tested it some Android version #5 and #6 it worked and when i tested it with android version # 7 it did't work Here's the source :https://github.com/varunon9/Remote-Control-PC Extra notes: