Flutter-导航到新屏幕，然后清除以前的所有屏幕 [英] Flutter - Navigate to a new screen, and clear all the previous screens

问题描述

我最多使用6个屏幕上的Navigator.push进入付款页面.付款后，我想推送到付款成功"页面，然后删除所有以前的屏幕，即使用后退"按钮将返回到第一个屏幕.

I used Navigator.push up to 6 screens to get to the payment page. After Payment, I want to push to the "Payment Successful" page then remove all the previous screens i.e using the back button will return to the very first screen.

注意:我已经尝试过pushReplacementNamed，但是它不起作用.

NOTE: I have tried pushReplacementNamed and it doesn't work.

推荐答案

我知道了.这是Navigator.pushAndRemoveUntil函数.我必须将PaymentSuccessful小部件传递为newRoute，将"/Home"路由传递为谓词

I figured it out. It was the Navigator.pushAndRemoveUntil function. Where i had to pass the PaymentSuccessful widget as the newRoute, and the "/Home" route as the predicate

  _navPaymentSuccessful(){
    Navigator.pushAndRemoveUntil(
      context, 
      MaterialPageRoute(
        builder: (context) => PaymentSuccessful()
      ), 
     ModalRoute.withName("/Home")
    );
  }

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