I'm trying to set margin/padding top for the list of items that come in dropdown button when clicked. How to set padding for dropdown button.

After clicking dropdown button I get the items on top of the view like this,

I need to get the items below the dropdown button. I tried giving padding inside a container but only the dropdown button seems to be moving and not the items in it. Is there a solution for this?

Code for reference,

ButtonTheme(
                        alignedDropdown: true,
                        padding: EdgeInsets.only(left: 0.0, right: 0.0, top: 100, bottom: 0.0),
                        child:
                    DropdownButton(
                      menuMaxHeight: 300.0,
                    hint: _dropDownValue == null
                        ? Text("---SELECT---", style: TextStyle(color: Colors.black))
                        :
                    Text(
                    _dropDownValue,
                    style: TextStyle(color: Colors.blue, fontSize: 20),
                  ),
                  isExpanded: true,
                  iconSize: 30.0,
                      icon: Icon(Icons.arrow_drop_down_circle),
                      iconDisabledColor: Colors.red,
                      iconEnabledColor: Colors.green,
                      style: TextStyle(color: Colors.black),
                  dropdownColor: Colors.white,
                  items: answer.map(
                        (val) {
                          return DropdownMenuItem<String>(
                        value: val,
                        child: Text(val),
                      );
                    },
                  ).toList(),
                  onChanged: (val) {
                    setState(
                          () {
                        _dropDownValue = val;
                      },
                    );
                  },
                ),
                      ),

<iframe name="sif1" sandbox="allow-forms allow-modals allow-scripts" frameborder="0"></iframe>

CodePudding user response：

Try below code hope its helpful to you . you must used dropdown_below from