Get Button Name On Button Click Using Flutter Android App

import 'dart:io';
import 'package:flutter/material.dart';

void main(){
  runApp(MyApp());
}

class MyApp extends StatelessWidget{
  @override
  Widget build(BuildContext context) {
    // TODO: implement build
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => new _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  String _buttonName = "";

  _onPressed() {
    setState(() {
      _buttonName = "A Button Name";
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        appBar: AppBar(
          backgroundColor: Colors.amber,
          title: Text('Button Name'),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            mainAxisSize: MainAxisSize.min,
            children: <Widget>[
              Text("Button Name: $_buttonName"),
              RaisedButton(
                onPressed: _onPressed,
                child: Text('A Button Name'),
                color: Colors.amber,
              )
            ],
          ),
        ));
  }
}