back_button_interceptor 4.4.0 back_button_interceptor: ^4.4.0 copied to clipboard
Back Button Interceptor. May be used to do stuff when the Android back-button is tapped, as an alternative to `WillPopScope`.
import 'package:back_button_interceptor/back_button_interceptor.dart';
import 'package:flutter/material.dart';
void main() async => runApp(MaterialApp(home: Demo()));
class Demo extends StatefulWidget {
@override
DemoState createState() => new DemoState();
}
class DemoState extends State<Demo> {
//
@override
void initState() {
super.initState();
BackButtonInterceptor.add(myInterceptor);
}
@override
void dispose() {
BackButtonInterceptor.remove(myInterceptor);
super.dispose();
}
bool myInterceptor(bool stopDefaultButtonEvent, RouteInfo info) {
print("BACK BUTTON!"); // Do some stuff.
return true;
}
@override
Widget build(BuildContext context) {
//
return Scaffold(
appBar: AppBar(title: const Text('Back Button Interceptor Example')),
body: Container(color: Colors.green),
);
}
}