How to use PopScope Widget in Flutter with Example

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In this video, you will learn how handle system navigation using flutter popscope. Flutter PopScope class manages system back gestures. WillPopScope is deprecated and PopScope will be replacing it's functionality. System navigation bar comes from device itself rather than from your flutter app, hence in some cases, it's important to handle it to make sure the app don't dispose or remove important state without user confirmation. Watch the video for more implementation details !
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Опубликовано:

21 окт 2024

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Комментарии : 12

@jasmeetsingh-o8r 4 месяца назад

Thanks it helped me a lot i was passing the can pop as true and it was directly exiting the app

@AIWithFlutter 4 месяца назад

Glad it helped !

@hush53-p2w 4 месяца назад

Thank you alot .. you helped me ❤❤

@AIWithFlutter 4 месяца назад

Welcome ! Appreciate that 🙏

@ilyeskesri6524 5 месяцев назад

Thank you !

@AIWithFlutter 5 месяцев назад

You're welcome!

@hisamsikder9555 5 месяцев назад

thank you bro

@AIWithFlutter 5 месяцев назад

Welcome bro

@acornerofherheart-jr9pl 3 месяца назад

finally i understood ...it ... thanks

@AIWithFlutter 3 месяца назад

Welcome ! Appreciate that 🙏

@sanimsikder4176 5 месяцев назад

Bro it work fine in page but when i exit from.app. Using this same code it show black screen......

@aliemphizia 2 месяца назад

import 'package:flutter/material.dart'; import 'package:lawyer_agenda/views/App%20Navigator/widgets/bottom_nav_bar_items.dart'; import 'package:lawyer_agenda/widgets/custom_alert_dialog.dart'; import 'package:persistent_bottom_nav_bar_v2/persistent_bottom_nav_bar_v2.dart'; class CustomBottomNavBar extends StatelessWidget { const CustomBottomNavBar({ super.key, }); @override Widget build(BuildContext context) { final theme = Theme.of(context); return PopScope( canPop: false, onPopInvoked: ((didPop) { if (didPop) { return; } showDialog( context: context, builder: (BuildContext context) { return CustomAlertDialog( title: 'هل تريد الخروج من التطبيق؟', textBtn1: 'نعم', textBtn2: 'لا', onPressedBtn1: () { Navigator.of(context).pop(true); }, onPressedBtn2: () { Navigator.of(context).pop(false); // User does not want to exit }, ); }, ); }), child: PersistentTabView( popAllScreensOnTapAnyTabs: false, popAllScreensOnTapOfSelectedTab: false, tabs: bottomNavBarItems(context), navBarBuilder: (navBarConfig) => Style6BottomNavBar( navBarDecoration: NavBarDecoration( color: theme.colorScheme.surface, ), navBarConfig: navBarConfig, ), backgroundColor: theme.colorScheme.surface, navBarHeight: 60, ), ); } } iam trying to making on this and it always make the pop and not show the alert dialog ? can you help me in this please ?