FlutterPopupMenuButton.

FlutterPopupMenuButton is a widget used for a customizable popup menu button

Features

FlutterPopupMenuButton provides you a complete customizable popup menu button.
In this package you have control of almost each and every thing like where to show the menu,how much to shift menu on x and y axis and giving fixed height to menu.
It has MenuDirection enum to set your menu direction.

enum MenuDirection{
  left,
  right,
  top,
  bottom,
  center,
  none
}

You can even draw custom shape for your menu using CustomPainter class and provide painter to named parameter customPainter in FlutterPopupMenuButton widget.

Getting started

Just add dependency to your pubspec.yaml and you can start using the package.

dependencies:
    flutter:
        sdk: flutter

        flutter_popup_menu_button:

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: SafeArea(
        child: Scaffold(
          body: Align(
            alignment: Alignment.topLeft,
            child: FlutterPopupMenuButton(
              direction: MenuDirection.right,
              decoration: const BoxDecoration(
                  borderRadius: BorderRadius.all(Radius.circular(20)),
                  color: Colors.white
              ),
              popupMenuSize: const Size(160,200),
              child: FlutterPopupMenuIcon(
                key: GlobalKey(),
                child: Icon(Icons.more_vert),
              ),
              children: [
                FlutterPopupMenuItem(
                    closeOnItemClick: false,
                    child: ListTile(
                      title: const Text('List 1'),
                      leading: Container(
                        height: 20,
                        width: 20,
                        decoration: BoxDecoration(
                            color: Colors.redAccent.withOpacity(0.3),
                            shape: BoxShape.circle
                        ),
                      ),
                    )),
                FlutterPopupMenuItem(
                    closeOnItemClick: false,
                    child: ListTile(
                      title: const Text('List 2'),
                      leading: Container(
                        height: 20,
                        width: 20,
                        decoration: BoxDecoration(
                            color: Colors.green.withOpacity(0.3),
                            shape: BoxShape.circle
                        ),
                      ),
                    )),
                FlutterPopupMenuItem(
                    child: ListTile(
                      title: const Text('List 3'),
                      leading: Container(
                        height: 20,
                        width: 20,
                        decoration: BoxDecoration(
                            color: Colors.blue.withOpacity(0.3),
                            shape: BoxShape.circle
                        ),
                      ),
                    )),
                FlutterPopupMenuItem(
                    child: ListTile(
                      title: const Text('List 4'),
                      leading: Container(
                        height: 20,
                        width: 20,
                        decoration: BoxDecoration(
                            color: Colors.cyanAccent.withOpacity(0.3),
                            shape: BoxShape.circle
                        ),
                      ),
                    ))
              ],
            ),
          ),
        ),
      ),
    );
  }




}