title: How to get WI-FI signal strength in percantage from Scan Network?
body: <p>I need to Scan Wifi Networks.</p>
  
  <p>How can i <code>getRssi()</code> of WiFi Scan Network (Not of connection wi-fi network)</p>
  
  <pre><code>        int level = WifiManager.calculateSignalLevel(wifi.getConnectionInfo().getRssi(),
                          results.get(i).level);
                  int difference = level * 100 / results.get(i).level;
  </code></pre>