flutter-navigation

问题 I'm new to flutter and I'm working on an App that have multiple screens. I would like to know to stop flutter from creating multiple screens of the same route, for example I have Page 1 and Page 2 , if I click on the button to navigate to Page 2 and clicked again on the same button the application will push a new screen of Page 2 and i will have it twice and if I click on the return button it will send me back to the first created Page 2 is there a way to create every page only once and then

问题 Here is a simple example of code that navigator push for a form called. and pop for an answer. my goal is to make a pop of an object, not a string, but keeping it that simple still doesn't work. main.dart: import 'package:flutter/material.dart'; import 'answer.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { final appTitle = 'Form Validation Demo'; return MaterialApp( title: appTitle, home: Scaffold( appBar: AppBar(

问题 Here is a simple example of code that navigator push for a form called. and pop for an answer. my goal is to make a pop of an object, not a string, but keeping it that simple still doesn't work. main.dart: import 'package:flutter/material.dart'; import 'answer.dart'; void main() => runApp(MyApp()); class MyApp extends StatelessWidget { @override Widget build(BuildContext context) { final appTitle = 'Form Validation Demo'; return MaterialApp( title: appTitle, home: Scaffold( appBar: AppBar(

问题 Is it possible to copy the transition effect of iOS App Store using Flutter? I tried using Hero Animation by placing two tags into the root layout of both widgets, but animation looks janky or not what I expected. But good thing about this is I am able to do iOS swipe back as I'm using MaterialPageRoute. Source Hero( tag: 'heroTag_destinationScreen', transitionOnUserGestures: true, flightShuttleBuilder: (BuildContext flightContext, Animation<double> animation, HeroFlightDirection

问题 Is it possible to copy the transition effect of iOS App Store using Flutter? I tried using Hero Animation by placing two tags into the root layout of both widgets, but animation looks janky or not what I expected. But good thing about this is I am able to do iOS swipe back as I'm using MaterialPageRoute. Source Hero( tag: 'heroTag_destinationScreen', transitionOnUserGestures: true, flightShuttleBuilder: (BuildContext flightContext, Animation<double> animation, HeroFlightDirection

问题 Is it possible to copy the transition effect of iOS App Store using Flutter? I tried using Hero Animation by placing two tags into the root layout of both widgets, but animation looks janky or not what I expected. But good thing about this is I am able to do iOS swipe back as I'm using MaterialPageRoute. Source Hero( tag: 'heroTag_destinationScreen', transitionOnUserGestures: true, flightShuttleBuilder: (BuildContext flightContext, Animation<double> animation, HeroFlightDirection

来源： https://stackoverflow.com/questions/62807600/flutter-willpopscope-for-nested-navigation

来源： https://stackoverflow.com/questions/62807600/flutter-willpopscope-for-nested-navigation

来源： https://stackoverflow.com/questions/56890424/use-nested-navigator-with-willpopscope-in-flutter

来源： https://stackoverflow.com/questions/56890424/use-nested-navigator-with-willpopscope-in-flutter