Implement first tutorial of startup names

lib/main.dart

@@ -1,109 +1,110 @@
 import 'package:flutter/material.dart';
+import 'package:english_words/english_words.dart';
 
 void main() => runApp(new MyApp());
 
 class MyApp extends StatelessWidget {
-  // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return new MaterialApp(
-      title: 'Flutter Demo',
-      theme: new ThemeData(
-        // This is the theme of your application.
-        //
-        // Try running your application with "flutter run". You'll see the
-        // application has a blue toolbar. Then, without quitting the app, try
-        // changing the primarySwatch below to Colors.green and then invoke
-        // "hot reload" (press "r" in the console where you ran "flutter run",
-        // or press Run > Flutter Hot Reload in IntelliJ). Notice that the
-        // counter didn't reset back to zero; the application is not restarted.
-        primarySwatch: Colors.blue,
-      ),
-      home: new MyHomePage(title: 'Flutter Demo Home Page'),
-    );
+        title: 'Startup Name Generator', home: new RandomWords());
   }
 }
 
-class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
-
-  // This widget is the home page of your application. It is stateful, meaning
-  // that it has a State object (defined below) that contains fields that affect
-  // how it looks.
-
-  // This class is the configuration for the state. It holds the values (in this
-  // case the title) provided by the parent (in this case the App widget) and
-  // used by the build method of the State. Fields in a Widget subclass are
-  // always marked "final".
-
-  final String title;
-
+class RandomWords extends StatefulWidget {
   @override
-  _MyHomePageState createState() => new _MyHomePageState();
+  createState() => new RandomWordsState();
 }
 
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
+class RandomWordsState extends State<RandomWords> {
+  final _suggestions = <WordPair>[];
+  final _saved = new Set<WordPair>();
 
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
+  final _biggerFont = const TextStyle(fontSize: 18.0);
+
+  Widget _buildSuggestions() {
+    return new ListView.builder(
+      padding: const EdgeInsets.all(16.0),
+      itemBuilder: (context, i) {
+        if (i.isOdd) return new Divider();
+        final index = i ~/ 2;
+        if (index >= _suggestions.length) {
+          _suggestions.addAll(generateWordPairs().take(10));
+        }
+        return _buildRow(_suggestions[index]);
+      },
+    );
+  }
+
+  Widget _buildRow(WordPair pair) {
+    final alreadySaved = _saved.contains(pair);
+
+    return new ListTile(
+      title: new Text(
+        pair.asPascalCase,
+        style: _biggerFont,
+      ),
+      trailing: new Icon(
+        alreadySaved ? Icons.favorite : Icons.favorite_border,
+        color: alreadySaved ? Colors.red : null,
+      ),
+      onTap: () {
+        setState(() {
+          if (alreadySaved) {
+            _saved.remove(pair);
+          } else {
+            _saved.add(pair);
+          }
+        });
+      },
+    );
   }
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
     return new Scaffold(
       appBar: new AppBar(
-        // Here we take the value from the MyHomePage object that was created by
-        // the App.build method, and use it to set our appbar title.
-        title: new Text(widget.title),
+        title: new Text('Startup Name Generator'),
+        actions: <Widget>[
+          new IconButton(
+            icon: new Icon(Icons.list),
+            onPressed: _pushSaved,
+          ),
+        ],
       ),
-      body: new Center(
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: new Column(
-          // Column is also layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Invoke "debug paint" (press "p" in the console where you ran
-          // "flutter run", or select "Toggle Debug Paint" from the Flutter tool
-          // window in IntelliJ) to see the wireframe for each widget.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            new Text(
-              'You have pushed the button this many times:',
+      body: _buildSuggestions(),
+    );
+  }
+
+  void _pushSaved() {
+    Navigator.of(context).push(
+      new MaterialPageRoute(
+        builder: (context) {
+          final tiles = _saved.map(
+            (pair) {
+              return new ListTile(
+                title: new Text(
+                  pair.asPascalCase,
+                  style: _biggerFont,
+                ),
+              );
+            },
+          );
+          final divided = ListTile
+              .divideTiles(
+                context: context,
+                tiles: tiles,
+              )
+              .toList();
+
+          return new Scaffold(
+            appBar: new AppBar(
+              title: new Text('Saved Suggestions'),
             ),
-            new Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.display1,
-            ),
-          ],
-        ),
+            body: new ListView(children: divided),
+          );
+        },
       ),
-      floatingActionButton: new FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: new Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
 }

pubspec.lock

@@ -85,6 +85,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.2"
+  english_words:
+    dependency: "direct main"
+    description:
+      name: english_words
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
   flutter:
     dependency: "direct main"
     description: flutter

pubspec.yaml

@@ -8,6 +8,8 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.0
+  english_words: ^3.1.0
+
 
 dev_dependencies:
   flutter_test: