A Flutter select field widget

select form field widget

a flutter select field widget. it shows a list of options in a dropdown menu.
this widget extend textfield and has a similar behavior as textformfield

usage

in the pubspec.yaml of your flutter project, add the following dependency:

dependencies:
  ...
  select_form_field: "^1.0.0"

in your library add the following import:

import 'package:select_form_field/select_form_field.dart';

for help getting started with flutter, view the online documentation.

example

set items using a list map passing:

• value: [string],
• textstyle: [textstyle | null],
• label: [string | null],
• icon: [widget | null],
• enable: [bool | null],

final list<map<string, dynamic>> _items = [
  {
    'value': 'boxvalue',
    'label': 'box label',
    'icon': icon(icons.stop),
  },
  {
    'value': 'circlevalue',
    'label': 'circle label',
    'icon': icon(icons.fiber_manual_record),
    'textstyle': textstyle(color: colors.red),
  },
  {
    'value': 'starvalue',
    'label': 'star label',
    'enable': false,
    'icon': icon(icons.grade),
  },
];

selectformfield(
  initialvalue: 'circle',
  icon: icon(icons.format_shapes),
  labeltext: 'shape',
  items: _items,
  onchanged: (val) => print(val),
  onsaved: (val) => print(val),
);

the result of val in onchanged, validator and onsaved will be a string.
so, if you tap on box label item on select menu the result will be boxvalue.