我使用导航控制器从视图推送到视图,但我不会弹出我推送的任何视图。因此,当我加载视图时,我想从堆栈中弹出前一个视图。
推送视图的代码:
var identities = [String]()
identities = ["A", "B", "C", "D", "E"]
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
let vcName = identities[indexPath.row]
let viewController = storyboard?.instantiateViewController(withIdentifier: vcName)
self.navigationController?.pushViewController(viewController!, animated: true)
}
测试弹出视图的代码(不是我想要的):
self.navigationController?.viewControllers.remove(at: 0)
非常感谢任何帮助。
解决:
@DonMag帮助我完成了对该行代码的正确使用和放置。
答案 0 :(得分:4)
它真的更简单:
self.navigationController?.popViewController(animated: true)
答案 1 :(得分:1)
这对我有用:
var navigationArray = self.navigationController?.viewControllers
navigationArray.remove(at: 0)
self.navigationController?.viewControllers = navigationArray