I developed a simple software for my companies tablets (SAMSUNG Galaxy Tab Active2) and since last Friday (11/23/2018) it doesn't work properly. I checked all the functionalities of the application and there are two of them that don't work.
For start, the application can't get the SSID network. I use the follow routine:
WifiManager manager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = manager.getConnectionInfo();
if (wifiInfo.getSSID().toString().equalsIgnoreCase("networkname")) {}
else {Toast.makeText(getApplicationContext(), "Make sure you're connected to networkname.", Toast.LENGTH_LONG).show()}
This code used to work perfectly fine until last Friday. I tried to get the SSID network and got the result <unknown SSID>. Also I connected the tablet to some different networks and got always the same result.
Then I noted another thing has happened: the personalized application icon changed to the default android system icon.
I managed to pinpoint the problem with the last system update: Samsung Experience 9.0 (Android Oreo) version T395XXU3BRJ5/T395OXXU3BRJ1/T395XXU3BRJ5. Does anyone have any idea how to fix this problems? Or how to point me on that direction?
as you can notice in other threads, the problem about "unknow SSID" in android > 8.1 is related to a new security patch that deny access to SSID info without RUNTIME EXPLICIT PERMISSION of LOCATION ( FINE_LOCATON, COARSE_LOCATION ). Simply set up a request permission function that runtime will call user attention to enable location. Hope it helps, even though since some time has passed, maybe you already found the solution