ios - 显示Section时如何自定义动画？

Question

我想隐藏/显示代码中某些条件的部分:

if condition == true{
  section.hidden = false
}else{
  section.hidden = true
}
section.evaluateHidden()

它有效，但我想在部分显示时运行一些自定义动画...

我找到一个回调名称sectionsHaveBeenAdded:

override func sectionsHaveBeenAdded(_ sections: [Section], at indexes: IndexSet) {

}

是吗？？？

或者如何做到这一点以及在哪里编写自定义动画代码？？？谢谢!!!

Answer 1

希望这段代码能帮助您在隐藏、取消隐藏 View 时制作动画

 UIView.animate(withDuration: 0.5, delay: 0.0, usingSpringWithDamping: 0.7, initialSpringVelocity: 0.8, options: .curveEaseInOut, animations: {
                self.section.transform = CGAffineTransform.identity
            }) { (completed:Bool) in
                // Completion block
                self.section.backgroundColor = UIColor(displayP3Red: 0.0, green: 0.0, blue: 0.0, alpha: 0.3)
                self.section.isOpaque = true
            }