Android Networking Connect

Android Networking Tutorial: Getting Started

private boolean isNetworkConnected() {
    ConnectivityManager connMgr = (ConnectivityManager)
           getSystemService(Context.CONNECTIVITY_SERVICE); // 1
     NetworkInfo networkInfo = connMgr.getActiveNetworkInfo(); // 2
     return networkInfo != null && networkInfo.isConnected(); // 3
}

private boolean isWifiConnected() {
  ConnectivityManager connMgr = (ConnectivityManager)
              getSystemService(Context.CONNECTIVITY_SERVICE);
  NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
  return networkInfo != null && (ConnectivityManager.TYPE_WIFI == networkInfo.getType()) && networkInfo.isConnected();
}