Android Pie is now preventing apps from scanning for Wi-Fi often
Depending on who you ask, this change is either good or bad.
Developers who make apps that perform tasks like testing network speeds and creating indoor maps are experiencing issues with users running Android 9 because they aren't able to scan for Wi-Fi as often.
In Pie Google has locked down the number of Wi-Fi scans to four every two minutes while the app is opened and one scan every 30 minutes when running in the ...