Internet Verbindung Status erkennen und Mainactivity neuladen

@Override
    public void onReceive(Context context, Intent intent) {
        if (ConnectivityManager.CONNECTIVITY_ACTION.equals(intent.getAction())) {
            boolean noConnectivity = intent.getBooleanExtra(
                    ConnectivityManager.EXTRA_NO_CONNECTIVITY, false
            );
            if (noConnectivity) {
                Toast.makeText(context, "Verbindung getrennt", Toast.LENGTH_SHORT).show();


                Intent i = new Intent(context, Main.class);
                i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                i.putExtra("Verbindung", "nein"); 
                context.startActivity(i);


            } else {
                Toast.makeText(context, "Verbunden", Toast.LENGTH_SHORT).show();


                Intent i = new Intent(context, Main.class);
                i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                i.putExtra("Verbindung", "ja"); 
                context.startActivity(i);
            }
        }