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  • Getting the signal strength of WI-FI in percentage in android devices.

    @mohit.bisht
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    If you need to display WI-FI signal strength in percentage than you just have put this method getWifiStrengthPercentage in your utility class and call it whenever you need the Signal information.

     public static int getWifiStrengthPercentage(Context)
 {
      try
      {
          WifiManager wifiManager = (WifiManager)context.getSystemService(Context.WIFI_SERVICE);
          int rssi = wifiManager.getConnectionInfo().getRssi();
          int level = WifiManager.calculateSignalLevel(rssi, 10);
          int percentage = (int) ((level/10.0)*100);
          return percentage;
      }
      catch (Exception e)
      {
          return 0;
      }
}

    We need to pass context of the activity from where we are calling this method.

    You will get WI-FI strength in percentage. In case if any exception found then it will return 0;

    Don't forget, you should declare the permission in your manifest:

    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />

    Hope you find it helpful.... :)

    getRssi calculateSignalLevel WIFI Signal strength in percentage in android
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