Expand/collapse section in UITableView in iOS

Question

Could somebody tell me the way to perform UITableView expandable/collapsible animations in sections of UITableView as below?

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Answer 1

in support to @jean.timex solution, use below code if you want to open one section at any time. create a variable like: var expandedSection = -1;

func toggleSection(_ header: CollapsibleTableViewHeader, section: Int) {
    let collapsed = !sections[section].collapsed
    // Toggle collapse
    sections[section].collapsed = collapsed
    header.setCollapsed(collapsed)
    tableView.reloadSections(NSIndexSet(index: section) as IndexSet, with: .automatic)
    if (expandedSection >= 0 && expandedSection != section){
        sections[expandedSection].collapsed = true
        tableView.reloadSections(NSIndexSet(index: expandedSection) as IndexSet, with: .automatic)
    }
    expandedSection = section;
}