xRequestedWithHeaderPreference.setIcon(R.drawable.x_requested_with_header_enabled);
else
xRequestedWithHeaderPreference.setIcon(R.drawable.x_requested_with_header_disabled);
xRequestedWithHeaderPreference.setIcon(R.drawable.x_requested_with_header_enabled);
else
xRequestedWithHeaderPreference.setIcon(R.drawable.x_requested_with_header_disabled);