package openfoodfacts.github.scrachx.openfood.network;

public interface APIUtils {

    String GET_API = "http://world.openfoodfacts.org";

    String POST_API = "http://world.openfoodfacts.net";

    String POST_LOGIN = "off";

    String POST_PASSWORD = "off";
}

package openfoodfacts.github.scrachx.openfood.network;

public interface APIUtils {

    String GET_API = "https://world.openfoodfacts.org";

    String POST_API = "https://world.openfoodfacts.net";

    String POST_LOGIN = "off";

    String POST_PASSWORD = "off";
}

Migrate to HTTPS for network/APIUtils.java