title: How to give onpress function on gridview list in flutter?
body: <p>i have a gridmodel list view in my flutter app,i have created dart file for each of the item present in the gridview but i dont know how to give onpress function on the gridmodel list view so that it will navigate me to next page</p>
  
  <pre><code> class GridItem extends StatelessWidget {
  GridModel gridModel;
  
    GridItem(this.gridModel);
  
     @override
      Widget build(BuildContext context) {
      return Padding(
    padding: const EdgeInsets.all(1 / 2),
    child: Container(
     color: Colors.white,
        child: Column(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: &lt;Widget&gt;[
        Image.asset(
          gridModel.imagePath,
          width: 30,
          height: 30,
          color: gridModel.color,),
        Padding(
          padding: const EdgeInsets.only(top: 5),
          child: Text(gridModel.title, textAlign: TextAlign.center,
            style: TextStyle(fontSize: 12),)
          ,),
  
      ],
    ),
     ),
   ),
  );
  }
  }
  </code></pre>
  
  <p>when i will click on "Mobile" item in list,it should redirect me to "Mobile page" which i have created,same goes for "flights" and "Movies"</p>