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flutter popupmenubutton

PopupMenuButton(
        itemBuilder: (BuildContext context) => <PopupMenuEntry>[
          const PopupMenuItem(
            child: Text('Option1'),
          ),
          const PopupMenuItem(
            child: Text('Option2'),
          ),
          const PopupMenuItem(
            child: Text('Option3'),
          ),
        ],
      )

flutter popupmenubutton

PopupMenuButton(
  child: Center(child: Text('click here')),
  itemBuilder: (context) {
    return List.generate(5, (index) {
      return PopupMenuItem(
        child: Text('button no $index'),
      );
    });
  },
),

how to add popupmenubutton in flutter

//with tooltip and round border corner(if you also needed those)
actions: [
          PopupMenuButton<int>(
            tooltip: "",                           //Adding tooltip
            shape: RoundedRectangleBorder(         //Adding Round Border
              borderRadius: BorderRadius.all(
                Radius.circular(20.0),
              ),
            ),
            itemBuilder: (context) => [
              PopupMenuItem(
                child: Text("Settings"),
                value: 1,
              ),
              PopupMenuDivider(                    //Adding Divider
                height: 0, 
              ),
              PopupMenuItem(
                child: Text("FAQ"),
                value: 2,
              ),
              PopupMenuDivider(                    //Adding Divider
                height: 0,
              ),
              PopupMenuItem(
                child: Text("Contact Us"),
                value: 2,
              ),
            ],
          ),
          SizedBox(width: 10),
        ],