If such ordinance is adopted after the hearing on the resolution of intention, said ordinance shall be adopted in the manner provided in this section. If no compensation is to be paid to the city for such city lands, the legislative body at any time, without further notice and hearing, may adopt such an ordinance. If a proposed ordinance provides for compensation to be paid to the city for such city lands, before adopting such proposed ordinance the legislative body shall adopt a resolution proposing the adoption of said ordinance. Said resolution shall describe the city lands to be covered by the proposed ordinance, shall specify the amount and manner of payment of the compensation to be paid the city, and shall fix a time and place for hearing objections to the adoption of said proposed ordinance. The resolution shall be published twice in a newspaper of general circulation printed and published in the city. The first publication shall be at least thirty (30) days prior to the date of the hearing. In cities where no such newspaper is published, the resolution shall be posted in three public places in the proposed district at least thirty (30) days prior to the date of hearing. At said hearing the legislative body shall hear and pass upon all objections and protests against the adoption of the proposed ordinance, and the decisions of the legislative body thereon shall be final and conclusive. If all protests and objections have been overruled and denied, the legislative body may adopt said ordinance.