Label class

A customizable label widget for displaying section headers and titles.

This widget provides a flexible label component with support for icons, text styling, and action buttons. Perfect for section headers, category labels, and form field labels.

Features:

  • Optional leading icon/widget
  • Customizable text styling
  • Background color and decoration support
  • Action buttons on the right side
  • Flexible alignment and padding
  • Theme-based default styling
  • Adjustable icon size and spacing

Example:

Label(
  "Section Title",
  leading: const Icon(Icons.settings),
  backgroundColor: Colors.blue.withOpacity(0.1),
  padding: const EdgeInsets.all(16),
  actions: [
    IconButton(
      icon: const Icon(Icons.add),
      onPressed: () {
        // Handle action
      },
    ),
  ],
)

セクションヘッダーやタイトルを表示するためのカスタマイズ可能なラベルウィジェット。

アイコン、テキストスタイリング、アクションボタンのサポートを備えた 柔軟なラベルコンポーネントを提供します。セクションヘッダー、カテゴリラベル、 フォームフィールドラベルに最適です。

特徴:

  • オプションのリーディングアイコン/ウィジェット
  • カスタマイズ可能なテキストスタイリング
  • 背景色と装飾のサポート
  • 右側のアクションボタン
  • 柔軟な配置とパディング
  • テーマベースのデフォルトスタイリング
  • 調整可能なアイコンサイズと間隔

例:

Label(
  "セクションタイトル",
  leading: const Icon(Icons.settings),
  backgroundColor: Colors.blue.withOpacity(0.1),
  padding: const EdgeInsets.all(16),
  actions: [
    IconButton(
      icon: const Icon(Icons.add),
      onPressed: () {
        // アクション処理
      },
    ),
  ],
)
Inheritance

Constructors

Label(String text, {Key? key, Widget? leading, Color? backgroundColor, Color? color, EdgeInsetsGeometry? padding, Decoration? decoration, TextStyle? textStyle, double? iconSize, double? leadingSpace, Alignment? alignment, TextAlign textAlign = TextAlign.start, List<Widget> actions = const []})
A customizable label widget for displaying section headers and titles.
const

Properties

actions List<Widget>
List of actions to be displayed on the right.
final
alignment Alignment?
Label Location.
final
backgroundColor Color?
The background color of the label.
final
color Color?
The color of the text and icon.
final
decoration Decoration?
The decoration of the label.
final
hashCode int
The hash code for this object.
no setterinherited
iconSize double?
The size of the icon.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leading Widget?
The widget to display before the text.
final
leadingSpace double?
The space between the icon and the text.
final
padding EdgeInsetsGeometry?
The padding of the label.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
text String
The text to display.
final
textAlign TextAlign
Text position.
final
textStyle TextStyle?
The style of the text.
final

Methods

build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
override
createElement() StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug, int wrapWidth = 65}) String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) String
Returns a one-line detailed description of the object.
inherited
toStringShort() String
A short, textual description of this widget.
inherited

Operators

operator ==(Object other) bool
The equality operator.
inherited