Flutter RadioListTile basically contains a single row that has a title, subtitle, and a trailing radio button. It is a ListTile that contains a radio button
Flutter RadioListTile Widget
Flutter RadioListTile displays a title, subtitle, or description and a radio button horizontally. It allows the user to choose only one option from the list. The suffix radio button is mainly defined through the trailing parameter.
By default, Flutter RadioListTile can show two lines of text. The title and the subtitle. As the first line of text is not optional but the second line of text or the subtitle is optional. The texture of the leading and trailing widgets can be modified according to the properties given.
So, are you ready to make use of this widget package in the Flutter application? If so, then let’s quickly jump into the usage and the ways a RadioListTile can be modified and used to make user-friendly apps. Here I am going to use an open-source UI Library known as GetWidget to build this RadioListTile widget in Flutter.
GetWidget RadioListTile
GFRadioListtile is a Flutter RadioListTile. In this widget, we can design a title, subtitle, and that has a trailing radio button widget. It has customization options which is an easy way to handle it as per the application and its requirement. The GetWidget RadioListTile displays the list of items in a card fashion.
How to Start:
Now here is the guide about how we should start developing the GFRadioListTile Widget with the use of the GetWidget UI Library.
Getting started will guide you on how to start building a beautiful flutter application with the GetWidget UI library. You have to install the package from pub.dev, import the package in your Flutter project.
Install Package from pub.dev :
https://pub.dev/packages/getwidget
Import full package:
import ‘package:getwidget/getwidget.dart’;
Note: dependencies: getwidget: ^ 2.0.4
Keep playing with the pre-built UI components.
GFRadioListTile is a Flutter RadioBoxListTile that has a list of items wherein the user can check or uncheck only one item in the list at a time. GFRadioBoxListTile can also be positioned right or left of the screen according to the need. The below code gives a simple example with an avatar on the left side as shown in the below image.
import 'package:getwidget/getwidget.dart';
int groupValue = 0;
GFRadioListTile(
titleText: 'GetWidget Library',
subTitleText: 'This is a open source UI library.',
avatar: GFAvatar(
backgroundImage: AssetImage('Assets image here'),
),
size: 25,
activeBorderColor: Colors.green,
focusColor: Colors.green,
type: GFRadioType.square,
value: 0,
groupValue: groupValue,
onChanged: (value) {
setState(() {
groupValue = value;
});
},
inactiveIcon: null,
),
GFRadioListTile(
titleText: 'GetWidget Library',
subtitleText: 'This is a open source UI library.',
avatar: GFAvatar(
backgroundImage: AssetImage('Assets image here'),
),
size: 25,
activeBorderColor: Colors.green,
focusColor: Colors.green,
type: GFRadioType.square,
value: 1,
groupValue: groupValue,
onChanged: (value) {
setState(() {
groupValue = value;
});
},
inactiveIcon: null,
),
GFRadioListTile Custom Properties
The look and feel of the GFRadioListTile can be customized using the GFRadioListTile properties.
| Name | Description |
|---|---|
| type | type of [GFRadioType] which is of four types is basic, suaure, circular, and custom |
| size | type of [double] which is GFSize ie, small, medium, and large and can use any double value |
| radioColor | type pf [Color] used to change the checkcolor when the radio button is active |
| activeBgColor | type of [Color] used to change the backgroundColor of the active radio button |
| inactiveBgColor | type of [Color] used to change the backgroundColor of the inactive radio button |
| activeBorderColor | type of [Color] used to change the border color of the active radio button |
| inactiveBorderColor | type of [Color] used to change the border color of the inactive radio button |
| onChanged | Called when the user checks or unchecks the radio button |
| position | allows the user to set the position of the radiobutton to start or end |
| activeIcon | type of Widget used to change the radio button’s active icon |
| inactiveIcon | type of [Widget] used to change the radio button’s inactive icon |
| customBgColor | type of [Color] used to change the background color of the custom active radio button only |
| autofocus | on true state, this widget will be selected as the initial focus when no other node in its scope is currently focused |
| focusNode | an optional focus node to use as the focus node for this widget. |
| value | The value represented by this radio button. |
| groupValue | The currently selected value for a group of radio buttons. Radio button is considered selected if its [value] matches the [groupValue]. |
| toggleable | sets the radio value |
| titleText | type of [String] used to pass text, alternative to title property and gets higher priority than the title |
| subTitleText | type of [String] used to pass text, alternative to subtitle property and gets higher priority than the subtitle |
| color | The GFListTile’s background color. Can be given [Color] or [GFColors] |
| avatar | type of [Widget] or [GFAvatar] used to create a rounded user profile |
| title | The title to display inside the [GFListTile]. |
| subTitle | The subtitle to display inside the [GFListTile]. |
| description | The description to display inside the [GFListTile]. |
| icon | The icon to display inside the [GFListTile]. |
| margin | defines the margin of GFListTile |
| padding | defines the padding of GFListTile |
| enabled | Whether this list tile is interactive. If false, this list tile is styled with the disabled color from the current [Theme] and the [onTap] and [onLongPress] callbacks are inoperative. |
| onTap | Called when the user taps this list tile. Inoperative if [enabled] is false. |
| onLongPress | Called when the user long-presses on this list tile. Inoperative if [enabled] is false. |
| selected | If this tile is also [enabled] then icons and text are rendered with the same color. By default the selected color is the theme’s primary color. The selected color can be overridden with a [ListTileTheme]. |
| focusColor | The color for the tile’s [Material] when it has the input focus. |
| hoverColor | The color for the tile’s [Material] when a pointer is hovering over it. |
How RadioListTile is different from ListTile?
Both ListTile and RadioListTile are having almost similar properties. We mostly use RadioListTile in those sections where we are having a list of options among them we can select one but in the case of ListTile it is not mandatory to use the radio button for any selection, we can simply use this to display any data with a card fashion.
Can we change the background color of RadioListTile?
We can change the background color by using the color property. Also, we can change the active and inactive background colors.
How can we change the position of radio button in RadioListTile?
We can alter the position by using the position property. It can be to either left or right side of the screen.
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Conclusion:
Here we discuss, what Flutter RadioListTile Widget is? And how we can use and implement it into our Flutter app through the GetWidget RadioListTile component. Here, there are options to customize the RadioListTile Button.
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