I pushed four screens ScreenOne >> ScreenTwo >> ScreenThree >> ScreenFour
我现在ScreenFour岁了,我想回到ScreenTwo岁
在Swift中,它的工作原理如下:
if let viewControllers: [UIViewController] = self.navigationController!.viewControllers {
for vc in viewControllers
{
if (vc is SecondViewController)
{
self.navigationController!.popToViewController(vc, animated: true)
}
}
}
我是如何在Flutter 中执行这个操作的.
请给出一个解决方案,Thank you.