Usare la clipboard in Flutter

In questo articolo vediamo come usare la clipboard in Flutter usando il package clipboard!

E' compatibile con tutte le piattaforme; io l'ho testato in Linux e Android.

Per installarlo:

flutter pub add clipboard

Metteremo due tasti:

• il primo copia un testo che abbiamo cablato nel codice; come esercizio potreste prenderlo da una input
• il secondo incolla il valore in un'altra variabile e imposta lo state; alla fine lo visualiziamo

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

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Demo'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  final parolaDaCopiare = "CIAO MONDO!";
  String parolaCopiata = "";

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            InkWell(
              onTap: () {
                FlutterClipboard.copy(parolaDaCopiare)
                    .then((value) => print('copied'));
              },
              child: Container(
                width: 100,
                height: 50,
                decoration: BoxDecoration(
                  color: Colors.amber,
                  borderRadius: BorderRadius.circular(15),
                ),
                child: const Center(
                  child: Text('COPIA'),
                ),
              ),
            ),
            const SizedBox(
              height: 20,
            ),
            InkWell(
              onTap: () {
                FlutterClipboard.paste().then((value) {
                  setState(() {
                    parolaCopiata = value;
                  });
                });
              },
              child: Container(
                width: 100,
                height: 50,
                decoration: BoxDecoration(
                  color: Colors.green,
                  borderRadius: BorderRadius.circular(15),
                ),
                child: const Center(
                  child: Text('INCOLLA'),
                ),
              ),
            ),
            const SizedBox(
              height: 20,
            ),
            Text(
              'Testo incollato: $parolaCopiata',
              style: const TextStyle(fontSize: 20),
            ),
          ],
        ),
      ),
    );
  }
}

Enjoy!