Scaffold

sample.packages.flutter.lib.src.material.scaffold.1616.

To disable the drawer edge swipe, set the [Scaffold.endDrawerEnableOpenDragGesture] to false. Then, use [ScaffoldState.openEndDrawer] to open the drawer and [Navigator.pop] to close it.

  
import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  static const String _title = 'Flutter Code Sample';

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: _title,
      home: MyStatefulWidget(),
    );
  }
}

class MyStatefulWidget extends StatefulWidget {
  const MyStatefulWidget({Key? key}) : super(key: key);

  @override
  State createState() => _MyStatefulWidgetState();
}

class _MyStatefulWidgetState extends State {
  final GlobalKey _scaffoldKey = GlobalKey();

  void _openEndDrawer() {
    _scaffoldKey.currentState!.openEndDrawer();
  }

  void _closeEndDrawer() {
    Navigator.of(context).pop();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      key: _scaffoldKey,
      appBar: AppBar(title: const Text('Drawer Demo')),
      body: Center(
        child: ElevatedButton(
          onPressed: _openEndDrawer,
          child: const Text('Open End Drawer'),
        ),
      ),
      endDrawer: Drawer(
        child: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              const Text('This is the Drawer'),
              ElevatedButton(
                onPressed: _closeEndDrawer,
                child: const Text('Close Drawer'),
              ),
            ],
          ),
        ),
      ),
      // Disable opening the end drawer with a swipe gesture.
      endDrawerEnableOpenDragGesture: false,
    );
  }
}