popover 0.0.2

A popover is a transient view that appears above other content onscreen when you tap a control or in an area.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:popover/popover.dart';

void main() => runApp(PopoverExample());

class PopoverExample extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('Popover Example')),
        body: SafeArea(
          child: Padding(
            padding: const EdgeInsets.all(16),
            child: Column(
              mainAxisAlignment: MainAxisAlignment.spaceBetween,
              mainAxisSize: MainAxisSize.max,
              children: [
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  mainAxisSize: MainAxisSize.max,
                  children: [
                    const PopoverItems(),
                    const PopoverItems(),
                    const PopoverItems(),
                  ],
                ),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  mainAxisSize: MainAxisSize.max,
                  children: [
                    const PopoverItems(),
                    const PopoverItems(),
                    const PopoverItems(),
                  ],
                ),
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  mainAxisSize: MainAxisSize.max,
                  children: [
                    const PopoverItems(),
                    const PopoverItems(),
                    const PopoverItems(),
                  ],
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}

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

  @override
  Widget build(BuildContext context) {
    return Popover(
      width: 200,
      child: Container(
        width: 80,
        height: 40,
        decoration: const BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.all(Radius.circular(5)),
          boxShadow: [BoxShadow(color: Colors.black26, blurRadius: 5)],
        ),
        child: const Center(child: Text('Click Me')),
      ),
      bodyBuilder: (context) {
        return Scrollbar(
          child: Padding(
            padding: const EdgeInsets.only(top: 8, bottom: 8),
            child: ListView(
              padding: const EdgeInsets.all(8),
              children: [
                InkWell(
                  onTap: () => Navigator.of(context).pop(),
                  child: Container(
                    height: 50,
                    color: Colors.amber[100],
                    child: const Center(child: Text('Entry A')),
                  ),
                ),
                const Divider(),
                Container(
                  height: 50,
                  color: Colors.amber[200],
                  child: const Center(child: Text('Entry B')),
                ),
                const Divider(),
                Container(
                  height: 50,
                  color: Colors.amber[300],
                  child: const Center(child: Text('Entry C')),
                ),
                const Divider(),
                Container(
                  height: 50,
                  color: Colors.amber[400],
                  child: const Center(child: Text('Entry D')),
                ),
                const Divider(),
                Container(
                  height: 50,
                  color: Colors.amber[500],
                  child: const Center(child: Text('Entry E')),
                ),
                const Divider(),
                Container(
                  height: 50,
                  color: Colors.amber[600],
                  child: const Center(child: Text('Entry F')),
                ),
              ],
            ),
          ),
        );
      },
    );
  }
}