title: How to center column and row item in Flutter?
body: <p>I have a small currency table. I didn't use grid. I used Column and rows. Problem is that items in rows is not showing in center as shown below in the Excel example.
  What widget do I have to use to make the items centered? </p>
  
  <p><a href="https://i.stack.imgur.com/HzbtU.png" rel="noreferrer"><img src="https://i.stack.imgur.com/HzbtU.png" alt="enter image description here"></a></p>
  
  <p>The Example codes:</p>
  
  <pre><code>return new Center(
    child: new Column(
      crossAxisAlignment: CrossAxisAlignment.center,
      children: &lt;Widget&gt;[
        new Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: &lt;Widget&gt;[
            new Padding(
              padding: const EdgeInsets.fromLTRB(15.0, 5.0, 15.0, 5.0),
              child: new Icon(
                Icons.crop_rotate,
                color: Colors.white,
              ),
            ),
            new Padding(
              padding: const EdgeInsets.fromLTRB(15.0, 5.0, 15.0, 5.0),
              child: new Text("STG", style: mainHeadTextStyle),
            ),
            new Padding(
              padding: const EdgeInsets.fromLTRB(15.0, 5.0, 15.0, 5.0),
              child: new Text("EUR", style: mainHeadTextStyle),
            ),
            new Padding(
              padding: const EdgeInsets.fromLTRB(15.0, 5.0, 15.0, 5.0),
              child: new Text("USD", style: mainHeadTextStyle),
            ),
          ],
        ),
        new Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: &lt;Widget&gt;[
  ....
  ....
  ....
  </code></pre>