title: Flutter : Vertically center column
body: <p>How to vertically center a column in Flutter? I have used widget "new Center". I have used widget "new Center", but it does not vertically center my column ? Any ideas would be helpful....</p>
  
  <pre><code>@override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Thank you"),
      ),
      body: new Center(
        child: new Column(
          children: &lt;Widget&gt;[
            new Padding(
              padding: new EdgeInsets.all(25.0),
              child: new AnimatedBuilder(
                animation: animationController,
                child: new Container(
                  height: 175.0,
                  width: 175.0,
                  child: new Image.asset('assets/angry_face.png'),
                ),
                builder: (BuildContext context, Widget _widget) {
                  return new Transform.rotate(
                    angle: animationController.value * 6.3,
                    child: _widget,
                  );
                },
              ),
            ),
            new Text('We are glad we could serve you...', style: new TextStyle(
                fontSize: 16.0,
                fontWeight: FontWeight.w600,
                color: Colors.black87),),
            new Padding(padding: new EdgeInsets.symmetric(vertical: 5.0, horizontal: 0.0)),
            new Text('We appreciate your feedback ! !', style: new TextStyle(
                fontSize: 13.0,
                fontWeight: FontWeight.w200,
                color: Colors.black87),),
          ],
        ),
      ),
    );
  }
  </code></pre>