title: Can't show image from asset in flutter
body: <p>I'm starting to learn flutter and I'm, at the moment, trying to show an image from a file, but it's not showing it and I don't know why. I changed my <code>pubspec.yaml</code> with this:</p>
  
  <pre><code># To add assets to your application, add an assets section, like this:
    assets:
        - assets/
  </code></pre>
  
  <p>My folders are summarized like this:</p>
  
  <pre><code>&lt;project-folder&gt;
   - pubspec.yaml
   - assets
     - images
       - d4.png
  </code></pre>
  
  <p>And I just replaced the base <code>_MyHomePageState</code> class from the base counter example like this:</p>
  
  <pre><code>class _MyHomePageState extends State&lt;MyHomePage&gt; {
    int _counter = 0;
  
    void _incrementCounter() {
      setState(() {
        _counter++;
      });
    }
  
    @override
    Widget build(BuildContext context) {
      return Scaffold(
        appBar: AppBar(title: Text(widget.title)),
        body: Image(image: AssetImage('images/d4.png')),
        floatingActionButton: FloatingActionButton(
          onPressed: _incrementCounter,
          tooltip: 'Increment',
          child: Icon(Icons.add),
        ),
      );
    }
  }
  </code></pre>
  
  <p>The image is not showing and I don't know why. If I replace the <code>AssetImage</code> with a <code>NetworkImage</code>, the image from the link works normally. Does anyone know what I'm missing?</p>