A Speed dial floating action button widget.

Speed dial widget is a part of material design: https://material.io/design/components/buttons-floating-action-button.html#types-of-transitions

This package provides you a lightweight bare minimum speed dial floating action button.

Usage:

SpeedDial(
        minimisedFABOptions:
            FloatingActionButton(
              child: Padding(
                padding: const EdgeInsets.all(8.0),
                child: Icon(MyFlutterApp.barcode),
              ),
              tooltip: "Add using barcode",
              mini: true,
              onPressed: () {
                launchScan();
              },
            ),
            FloatingActionButton(
              child: Icon(Icons.create),
              tooltip: "Add using name",
              mini: true,
              onPressed: () {
                addEmptyInventoryItem();
              },
            ),
        primaryFAB:
            FloatingActionButton(
              child: Icon(Icons.add),
              onPressed: () {
                setState(() {
                  opened = true;
                });
              },
            ),
        )

Libraries

speed_dial

Dart

dart:ui
Built-in types and core primitives for a Flutter application. [...]

Core

dart:async
Support for asynchronous programming, with classes such as Future and Stream. [...]
dart:collection
Classes and utilities that supplement the collection support in dart:core. [...]
dart:convert
Encoders and decoders for converting between different data representations, including JSON and UTF-8. [...]
dart:core
Built-in types, collections, and other core functionality for every Dart program. [...]
dart:developer
Interact with developer tools such as the debugger and inspector. [...]
dart:math
Mathematical constants and functions, plus a random number generator. [...]
dart:typed_data
Lists that efficiently handle fixed sized data (for example, unsigned 8 byte integers) and SIMD numeric types. [...]

VM

dart:io
File, socket, HTTP, and other I/O support for non-web applications. [...]
dart:isolate
Concurrent programming using isolates: independent workers that are similar to threads but don't share memory, communicating only via messages. [...]