Flutter Set onLongPress on ElevatedButton

In flutter ElevatedButton support onLongPress functionality by implementing onLongPress event. onLongPress actives the press or click event on continually pressing button for 1 second without releasing. We can fire any event or function on this event.

Flutter Set onLongPress on ElevatedButton:

1. Defining onLongPress on button and passing our function which we want to be execute on event.

ElevatedButton(
        style: ElevatedButton.styleFrom(
          backgroundColor: Colors.purple,
          textStyle: const TextStyle(fontSize: 24),
        ),
        onLongPress: tempFunction,
        onPressed: () {},
        child: const Text('On Long Press Button'),
      ),

2. Making a temporary function with print message log on screen.

  void tempFunction() {
    print('onLongPress Trigger...');
  }

3. Complete source code for main.dart file:

import 'package:flutter/material.dart';

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

class App extends StatelessWidget {
  const App({super.key});

  void tempFunction() {
    print('onLongPress Trigger...');
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        home: Scaffold(
            body: Center(
      child: ElevatedButton(
        style: ElevatedButton.styleFrom(
          backgroundColor: Colors.purple,
          textStyle: const TextStyle(fontSize: 24),
        ),
        onLongPress: tempFunction,
        onPressed: () {},
        child: const Text('On Long Press Button'),
      ),
    )));
  }
}

Screenshot: