Getting WiFi signal strength in Android

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its an old post but this might help someone…

WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
int numberOfLevels = 5;
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
int level = WifiManager.calculateSignalLevel(wifiInfo.getRssi(), numberOfLevels);

Documentation: public static int calculateSignalLevel (int rssi, int numLevels)

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