public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.profile) {
            startActivity(new Intent(this, ProfileActivity.class));
        } else if (item.getItemId() == R.id.buttonLogout) {
            finish();
            SharedPrefManager.getInstance(getApplicationContext()).logout();
        } else if (item.getItemId() == R.id.shake_vpn) {

        } else if (item.getItemId() == R.id.list_vpn) {
            startActivity(new Intent(this, ReadVPNActivity.class));
        }
        return true;
    }