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Adaptive pop scope a custom pop scope widget to allow apple user backs with apple back gesture


iOS Android

Getting started

Add the adaptive_will_pop lib to your pubspec.yaml then run the flutter pub get


import the lib by adding this line code

import 'package:adaptive_will_pop_scope/adaptive_will_pop_scope.dart';


Adaptive Will Pop Scope adds two optional params swipeWidth to determines the maximum width that user can swipe (by default it was assigned to the screen width) and swipeThreshold to indicates the onWillPop will be called if the user swipe over this value (by default it was assigned to half of the swipeWidth).

class SeconPage extends StatefulWidget {
  const SeconPage({super.key});

  static MaterialPageRoute get route => MaterialPageRoute(builder: (_) => const SeconPage());

  State<SeconPage> createState() => _SeconPageState();

class _SeconPageState extends State<SeconPage> {
  Widget build(BuildContext context) {
    final screenWidth = MediaQuery.of(context).size.width;
    return AdaptivePopScope(
      onWillPop: () async => await _showAlertDialog(context) ?? false,
      swipeWidth: screenWidth,
      swipeThreshold: screenWidth / 2,
      child: Scaffold(
        appBar: AppBar(
          title: const Text('Second Page'),
          backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        body: const Center(child: Text('Hello World')),

  Future<bool?> _showAlertDialog(BuildContext context) =>
        context: context,
        builder: (_) => CupertinoAlertDialog(
          title: const Text('Are you sure'),
          content: const Text('you want to navigate away from this page?'),
          actions: <CupertinoDialogAction>[
              isDefaultAction: true,
              onPressed: () => Navigator.pop(context),
              child: const Text('No'),
              isDestructiveAction: true,
              onPressed: () => Navigator.pop(context, true),
              child: const Text('Yes'),