Finding IP address of your Android device programatically

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public String getLocalIpAddress()

  {

          try {

              for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {

                  NetworkInterface intf = en.nextElement();

                  for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {

                      InetAddress inetAddress = enumIpAddr.nextElement();

                      if (!inetAddress.isLoopbackAddress()) {

                          return inetAddress.getHostAddress().toString();

                      }

                  }

              }

          } catch (Exception ex) {

              Log.e("IP Address", ex.toString());

          }

          return null;

      }

Add below permission in the manifest file.

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

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

Happy coding :-)