Criação do app

lib/main copy.dart

@@ -0,0 +1,115 @@
+// Copyright 2018 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:english_words/english_words.dart';
+
+void main() => runApp(MyApp());
+
+class MyApp extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'W.A Link Generator',
+      theme: ThemeData(primaryColor: Colors.purpleAccent),
+      home: RandomWords(),
+    );
+  }
+}
+
+class RandomWords extends StatefulWidget {
+  const RandomWords({Key? key}) : super(key: key);
+
+  @override
+  _RandomWordsState createState() => _RandomWordsState();
+}
+
+class _RandomWordsState extends State<RandomWords> {
+  final _suggestions = <WordPair>[];
+  //final _biggerFont = const TextStyle(fontSize: 12.0);
+
+  final _saved = <WordPair>{};
+
+  void _pushSaved() {
+    Navigator.of(context).push(
+      MaterialPageRoute<void>(
+        builder: (BuildContext context) {
+          final tiles = _saved.map(
+            (WordPair pair) {
+              return ListTile(
+                title: Text(
+                  pair.asPascalCase,
+                ),
+              );
+            },
+          );
+          final divided = ListTile.divideTiles(
+            context: context,
+            tiles: tiles,
+          ).toList();
+
+          return Scaffold(
+            appBar: AppBar(
+              title: Text('Saved Suggestions'),
+            ),
+            body: ListView(children: divided),
+          );
+        },
+      ),
+    );
+  }
+
+  Widget _buildRow(WordPair pair) {
+    final alreadySaved = _saved.contains(pair);
+
+    return ListTile(
+      title: Text(
+        pair.asPascalCase,
+      ),
+      trailing: Icon(
+        alreadySaved ? Icons.favorite : Icons.favorite_border,
+        color: alreadySaved ? Colors.red : null,
+      ),
+      onTap: () {
+        setState(() {
+          if (alreadySaved) {
+            _saved.remove(pair);
+          } else {
+            _saved.add(pair);
+          }
+        });
+      },
+    );
+  }
+
+  Widget _buildSuggestions() {
+    return ListView.builder(
+        padding: const EdgeInsets.all(16.0),
+        itemBuilder: /*1*/ (context, i) {
+          if (i.isOdd)
+            return const Divider(
+              thickness: 2.0,
+            ); /*2*/
+
+          final index = i ~/ 2; /*3*/
+          if (index >= _suggestions.length) {
+            _suggestions.addAll(generateWordPairs().take(50)); /*4*/
+          }
+          return _buildRow(_suggestions[index]);
+        });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('W.A Link Generator'),
+        actions: [
+          IconButton(icon: Icon(Icons.favorite), onPressed: _pushSaved),
+        ],
+      ),
+      body: _buildSuggestions(),
+    );
+  }
+}