home_page.dart

 Widget _getPostWidgets(int index) {
    var post = postList[index];
    return new GestureDetector(
      onTap: () {
        openDetailsUI(post);
      },
      child: new Container(
        margin: const EdgeInsets.symmetric(horizontal: 5.0, vertical: 5.0),
        child: new Card(
          elevation: 3.0,
          child: new Row(
            children: <Widget>[
              new Container(
                width: 150.0,
                child: new Image.network(
                  post.thumbUrl,
                  fit: BoxFit.cover,
                ),
              ),
              new Expanded(
                  child: new Container(
                    margin: new EdgeInsets.all(10.0),
                    child: new Text(
                      post.title,
                      style: new TextStyle(color: Colors.black, fontSize: 18.0),
                    ),
                  )),

            ],
          ),
        ),
      ),
    );
  }

  openDetailsUI(Post post) {
    // The details UI will be opened here
  }