title: How to design custom ListWheelScrollView like below image in flutter?
body: <p>I added two <code>ListWheelScrollView</code> to show the value
  first for numbers(1-9) and second for string values like an hour, day, week, and month
  but focus item design does not show like the below image.</p>
  <p>the wheel list that I want<br />
  <a href="https://i.stack.imgur.com/cw0ell.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/cw0ell.png" alt="enter image description here" /></a></p>
  <p>Piece of code:</p>
  <pre><code>
  Container(
                     // padding:const EdgeInsets.all(5) ,
                     margin: const EdgeInsets.only(left: 10, right: 10),
                   
                     height: MediaQuery.of(context).size.height/4,
                      decoration: BoxDecoration(
                          color: Colors.grey[100],
                         borderRadius: BorderRadius.circular(10)
                       ),
                     child: Row(
                       mainAxisAlignment: MainAxisAlignment.center,
                       children: [
                         Container(
                           height: MediaQuery.of(context).size.height/4,
                           width:  MediaQuery.of(context).size.width/2.5,
                          
                           child: ListWheelScrollView(
                             
                             itemExtent: 20,
                             useMagnifier: true,
                             diameterRatio: 1.0,
                             magnification: 2.0,
                             onSelectedItemChanged: (val){
                              
                               setState(() {
                                 selectedReminderVal = reminderVal[val];
                                 print(&quot;selectedReminderVal:$selectedReminderVal&quot;);
                               });
  
                             },
                             children: 
                           
                              reminderVal.map((item) =&gt;Text(item,
                                style: TextStyle(
                                   fontSize:15,
                                   // fontWeight:FontWeight.bold,
                                   
                                 ),
                               ),)
                             .toList(),
                              
                           ),
                         ),
                          Container(
                           height: MediaQuery.of(context).size.height/4,
                           width:  MediaQuery.of(context).size.width/2.5,
                           child: ListWheelScrollView(
                             itemExtent: 20,
                             useMagnifier: true,
                             diameterRatio: 1.0,
                             magnification: 2.0,
                             onSelectedItemChanged: (val){
                               setState(() {
                                 selectedReminderDay = reminderDay[val];
                                 print(&quot;selectedReminderDay:$selectedReminderDay&quot;);
                               });
                             },
                             children:  reminderDay.map((item) =&gt;Text(item,
                                style: TextStyle(
                                   fontSize:15,
                                   // fontWeight:FontWeight.bold,
                                   
                                 ),
                               ),)
                           .toList(),
                             
                                                         
                           ),
                         ),
                       ],
                     )
                   ),
  </code></pre>
  <p>What I got from this code:</p>
  <p><a href="https://i.stack.imgur.com/uOQdel.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/uOQdel.jpg" alt="enter image description here" /></a></p>