title: Flutter - onPressed function
body: <p>I need to insert onpressed()function (navigator push to other page) on the icons bellow:</p>
  
  <pre><code>Column buildButtonColumn(IconData icon, String label) {
      Color color = Theme.of(context).primaryColor;
        return Column(
        mainAxisSize: MainAxisSize.min,
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
        Icon(icon, color: color),
        Container(
          margin: const EdgeInsets.only(top: 8.0),
          child: Text(
            label,
            style: TextStyle(
              fontSize: 12.0,
              fontWeight: FontWeight.w400,
              color: color,
               ),
             ),
           ),
         ],
       );
     }
  
     Widget buttonSection = Container(
      child: Row(
        mainAxisAlignment: MainAxisAlignment.spaceEvenly,
        children: [
          buildButtonColumn(Icons.call, 'CALL'),
          buildButtonColumn(Icons.near_me, 'ROUTE'),
          buildButtonColumn(Icons.share, 'SHARE'),
        ],
      ),
    );
  </code></pre>