Ascertaining Network Connectivity

LoginActivity.kt

class LoginActivity : AppCompatActivity() {

  ...
  
      private fun isNetworkConnected(): Boolean {
        val connectivityManager =
            getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
        val activeNetwork = connectivityManager.activeNetwork
        val networkCapabilities = connectivityManager.getNetworkCapabilities(activeNetwork)
        return networkCapabilities != null &&
                networkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
    }
}