Android Studio – How to fix the problem with error "No virtual method" on android
I am writing an application in android studio for android Pie. I want to get wifi info. @RequiresApi(api = Build.VERSION_CODES.S) public String getData() { String wifiDataTest; WifiInfo wifiInfo = wifiManager.getConnectionInfo(); int frequency = wifiInfo.getFrequency(); int ipAddress = wifiInfo.getIpAddress(); int speed…