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https://github.com/davigmacode/flutter_chips_choice
Lite version of smart_select package, zero dependencies, an easy way to provide a single or multiple choice chips.
https://github.com/davigmacode/flutter_chips_choice
chips choice choices flutter package
Last synced: 14 days ago
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Lite version of smart_select package, zero dependencies, an easy way to provide a single or multiple choice chips.
- Host: GitHub
- URL: https://github.com/davigmacode/flutter_chips_choice
- Owner: davigmacode
- License: bsd-3-clause
- Created: 2020-01-16T04:00:57.000Z (about 5 years ago)
- Default Branch: master
- Last Pushed: 2023-09-13T06:04:13.000Z (over 1 year ago)
- Last Synced: 2025-01-16T11:24:23.714Z (21 days ago)
- Topics: chips, choice, choices, flutter, package
- Language: Dart
- Homepage: https://pub.dev/packages/chips_choice
- Size: 55.2 MB
- Stars: 114
- Watchers: 4
- Forks: 42
- Open Issues: 3
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE
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README
 
> [!IMPORTANT]
>
> Hi everyone,
>
> I'm sorry to announce that I'm no longer maintaining the [chips_choice](https://pub.dev/packages/chips_choice) package. It's been a great project, but it's become too difficult to maintain.
>
> In its place, I've released a new package called [choice](https://pub.dev/packages/choice). The combination to [smart_select](https://pub.dev/packages/smart_select) and [chips_choice](https://pub.dev/packages/chips_choice) with cleaner, more flexible, and composable API for creating inline or prompted choice widgets with single or multiple selection.
>
> I hope you'll check out [choice](https://pub.dev/packages/choice). I think you'll find it to be a great replacement for [chips_choice](https://pub.dev/packages/chips_choice).
>
> Thanks for your understanding.
Lite version of [smart_select](https://pub.dev/packages/smart_select) package, zero dependencies, an easy way to provide a single or multiple choice chips.
## What's New in Version 3.x.x
* Changed default chip to [flexi_chip](https://pub.dev/packages/flexi_chip)
* C2Chip is alias to `FlexiChip` now
* C2ChoiceStyle changed to C2ChipStyle and alias to `FlexiChipStyle`
* Removed `ChipsChoice.choiceActiveStyle` and `C2Choice.activeStyle` since the C2ChipStyle can be an event driven properties
* Removed `C2ChoiceStyle.useCheckmark`, changed to `ChipsChoice.choiceCheckmark`
* Removed `ChipsChoice.choiceAvatarBuilder`
* Added `ChipsChoice.choiceLeadingBuilder`
* Added `ChipsChoice.choiceTrailingBuilder`
* Added `C2Choice.delete`
* Added `C2Choice.avatarImage`
* Added `C2Choice.avatarText`
* Fixed issue #26, add leading and trailing widget
* Improved performance
* More flexibility on styling
## Demo
### Preview
[](https://davigmacode.github.io/flutter_chips_choice)
[Demo](https://davigmacode.github.io/flutter_chips_choice)
## Features
* Select single or multiple choice
* Display in scrollable or wrapped list
* Build choice items from any `List`
* Customizable choice widget
## Usage
For a complete usage, please see the [example](https://pub.dev/packages/chips_choice#-example-tab-).
To read more about classes and other references used by `chips_choice`, see the [API Reference](https://pub.dev/documentation/chips_choice/latest/).
### Single Choice
```dart
// available configuration for single choice
ChipsChoice.single({
// The current value of the single choice widget.
@required T value,
// Called when single choice value changed
@required C2Changed onChanged,
// choice item list
@required List> choiceItems,
// Async loader of choice items
C2ChoiceLoader choiceLoader,
// other available configuration
// explained below
...,
...,
})
```
Simple usage
```dart
int tag = 1;
List options = [
'News', 'Entertainment', 'Politics',
'Automotive', 'Sports', 'Education',
'Fashion', 'Travel', 'Food', 'Tech',
'Science',
];
@override
Widget build(BuildContext context) {
return ChipsChoice.single(
value: tag,
onChanged: (val) => setState(() => tag = val),
choiceItems: C2Choice.listFrom(
source: options,
value: (i, v) => i,
label: (i, v) => v,
),
);
}
```
### Multiple Choice
```dart
// available configuration for multiple choice
ChipsChoice.multiple({
// The current value of the multiple choice widget.
@required List value,
// Called when multiple choice value changed
@required C2Changed> onChanged,
// choice item list
@required List> choiceItems,
// Async loader of choice items
C2ChoiceLoader choiceLoader,
// other available configuration
// explained below
...,
...,
})
```
Simple usage
```dart
List tags = [];
List options = [
'News', 'Entertainment', 'Politics',
'Automotive', 'Sports', 'Education',
'Fashion', 'Travel', 'Food', 'Tech',
'Science',
];
@override
Widget build(BuildContext context) {
return ChipsChoice.multiple(
value: tags,
onChanged: (val) => setState(() => tags = val),
choiceItems: C2Choice.listFrom(
source: options,
value: (i, v) => v,
label: (i, v) => v,
),
);
}
```
### Style Configuration
See the [API References](https://pub.dev/documentation/flexi_chip/latest/flexi_chip/FlexiChipStyle-class.html), to find out all of the parameters.
```dart
// available configuration for single and multiple choice
ChipsChoice.[single|multiple]({
// other available configuration
// explained below
...,
...,
// Choice item style
C2ChipStyle choiceStyle,
// other available configuration
// explained below
...,
...,
})
```
### Custom Builder
```dart
// available configuration for single and multiple choice
ChipsChoice.[single|multiple]({
// other available configuration
// explained below
...,
...,
// Builder for custom choice item label
C2Builder choiceLabelBuilder,
// Builder for custom widget to display prior to the chip's [label].
C2Builder? choiceLeadingBuilder;
// Builder for custom widget to display next to the chip's [label].
C2Builder? choiceTrailingBuilder;
// Builder for custom choice item
C2Builder choiceBuilder,
// Builder for spinner widget
WidgetBuilder spinnerBuilder,
// Builder for placeholder widget
WidgetBuilder placeholderBuilder,
// Builder for error widget
WidgetBuilder errorBuilder,
// other available configuration
// explained below
...,
...,
})
```
### Container Configuration
```dart
// available configuration for single and multiple choice
ChipsChoice.[single|multiple]({
// other available configuration
// explained below
...,
...,
// Whether the chips is wrapped or scrollable
bool wrapped,
// Container padding
EdgeInsetsGeometry padding,
// The direction to use as the main axis.
Axis direction,
// Determines the order to lay children out vertically and how to interpret start and end in the vertical direction.
VerticalDirection verticalDirection,
// Determines the order to lay children out horizontally and how to interpret start and end in the horizontal direction.
TextDirection textDirection,
// if [wrapped] is [false], How the scroll view should respond to user input.
ScrollPhysics scrollPhysics,
// if [wrapped] is [false], How much space should be occupied in the main axis.
MainAxisSize mainAxisSize,
// if [wrapped] is [false], How the children should be placed along the main axis.
MainAxisAlignment mainAxisAlignment,
// if [wrapped] is [false], How the children should be placed along the cross axis.
CrossAxisAlignment crossAxisAlignment,
// if [wrapped] is [true], how the children within a run should be aligned relative to each other in the cross axis.
WrapCrossAlignment wrapCrossAlignment,
// if [wrapped] is [true], determines how wrap will align the objects
WrapAlignment alignment,
// if [wrapped] is [true], how the runs themselves should be placed in the cross axis.
WrapAlignment runAlignment,
// if [wrapped] is [true], how much space to place between children in a run in the main axis.
double spacing,
// if [wrapped] is [true], how much space to place between the runs themselves in the cross axis.
double runSpacing,
// Clip behavior
Clip clipBehavior,
// String to display when choice items is empty
String placeholder,
// placeholder text style
TextStyle placeholderStyle,
// placeholder text align
TextAlign placeholderAlign,
// error text style
TextStyle errorStyle,
// error text align
TextAlign errorAlign,
// spinner size
double spinnerSize,
// spinner color
Color spinnerColor,
// spinner thickness
double spinnerThickness,
// other available configuration
// explained below
...,
...,
})
```
### Build Choice List
`choiceItems` property is `List>`, it can be input directly as in the example below, more info about `C2Choice` can be found on the [API Reference](https://pub.dev/documentation/chips_choice/latest/chips_choice/C2Choice-class.html)
```dart
ChipsChoice.[single|multiple](
...,
...,
choiceItems: >[
C2Choice(value: 1, label: 'Entertainment'),
C2Choice(value: 2, label: 'Education'),
C2Choice(value: 3, label: 'Fashion'),
],
);
```
`choiceItems` also can be created from any list using helper provided by this package, like the example below
```dart
List> days = [
{ 'value': 'mon', 'title': 'Monday' },
{ 'value': 'tue', 'title': 'Tuesday' },
{ 'value': 'wed', 'title': 'Wednesday' },
{ 'value': 'thu', 'title': 'Thursday' },
{ 'value': 'fri', 'title': 'Friday' },
{ 'value': 'sat', 'title': 'Saturday' },
{ 'value': 'sun', 'title': 'Sunday' },
];
ChipsChoice.[single|multiple](
...,
...,
choiceItems: C2Choice.listFrom>(
source: days,
value: (index, item) => item['value'],
label: (index, item) => item['title'],
),
);
```
Use `choiceLoader` to easily load choice items from async function
```dart
import 'package:dio/dio.dart';
String value;
Future>> getChoices() async {
String url = "https://randomuser.me/api/?inc=gender,name,nat,picture,email&results=25";
Response res = await Dio().get(url);
return C2Choice.listFrom(
source: res.data['results'],
value: (index, item) => item['email'],
label: (index, item) => item['name']['first'] + ' ' + item['name']['last'],
meta: (index, item) => item,
)..insert(0, C2Choice(value: 'all', label: 'All'));
}
@override
Widget build(BuildContext context) {
return ChipsChoice.single(
value: value,
onChanged: (val) => setState(() => value = val),
choiceItems: null,
choiceLoader: getChoices,
);
}
```