ApplicationHeader class

A full-width desktop and web application header for the Alter Design System.

Figma Specifications (Node 706:8794 - ApplicationHeader / device=Web):

Inheritance

Constructors

ApplicationHeader({Key? key, bool hasLauncherButton = true, IconData launcherIcon = Icons.apps_rounded, VoidCallback? onLauncherTap, Widget? logoWidget, String? logoAssetPath, VoidCallback? onLogoTap, bool applicationTitle = true, String title = 'Application Title', Widget? titleWidget, VoidCallback? onTitleTap, bool hasPages = true, List<String> pages = const ['Label', 'Label', 'Label', 'Label', 'Label'], int selectedPageIndex = 0, ValueChanged<int>? onPageSelected, List<Widget>? pageWidgets, bool showApplicationHeaderButton1 = true, IconData action1Icon = Icons.face_outlined, Widget? action1Widget, VoidCallback? onAction1Tap, bool showApplicationHeaderButton2 = true, IconData action2Icon = Icons.face_outlined, Widget? action2Widget, VoidCallback? onAction2Tap, bool showApplicationHeaderButton3 = true, IconData action3Icon = Icons.face_outlined, Widget? action3Widget, VoidCallback? onAction3Tap, bool showApplicationHeaderButton4 = true, IconData action4Icon = Icons.face_outlined, Widget? action4Widget, VoidCallback? onAction4Tap, bool showAvatarButton = true, Widget? avatar, ImageProvider<Object>? avatarImage, String? avatarImageUrl, String? avatarInitials, VoidCallback? onAvatarTap, Color? backgroundColor, Color? borderColor})
Creates an ApplicationHeader instance.
const

Properties

action1Icon → IconData
Icon rendered in action button 1.
final
action1Widget → Widget?
Custom widget override for action button 1.
final
action2Icon → IconData
Icon rendered in action button 2.
final
action2Widget → Widget?
Custom widget override for action button 2.
final
action3Icon → IconData
Icon rendered in action button 3.
final
action3Widget → Widget?
Custom widget override for action button 3.
final
action4Icon → IconData
Icon rendered in action button 4.
final
action4Widget → Widget?
Custom widget override for action button 4.
final
applicationTitle → bool
Whether the application title is displayed.
final
avatar → Widget?
Custom avatar widget override.
final
avatarImage → ImageProvider<Object>?
Image provider for the profile avatar.
final
avatarImageUrl → String?
Network image URL for the profile avatar.
final
avatarInitials → String?
Initials text fallback for the profile avatar (e.g. 'RC').
final
backgroundColor → Color?
Background color of the header bar.
final
borderColor → Color?
Bottom border color of the header bar.
final
hashCode → int
The hash code for this object.
no setterinherited
hasLauncherButton → bool
Whether the leading application launcher button (apps icon) is displayed.
final
Whether the application logo is displayed.
final
hasPages → bool
Whether the navigation tab list is displayed.
final
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
launcherIcon → IconData
Icon rendered in the launcher button.
final
Image provider for the application logo.
final
logoAssetPath → String?
Custom asset path for the logo (defaults to 'assets/alter_logo.png').
final
logoWidget → Widget?
Custom widget override for the logo.
final
onAction1Tap → VoidCallback?
Callback executed when action button 1 is tapped.
final
onAction2Tap → VoidCallback?
Callback executed when action button 2 is tapped.
final
onAction3Tap → VoidCallback?
Callback executed when action button 3 is tapped.
final
onAction4Tap → VoidCallback?
Callback executed when action button 4 is tapped.
final
onAvatarTap → VoidCallback?
Callback executed when the avatar button is tapped.
final
onLauncherTap → VoidCallback?
Callback executed when the launcher button is tapped.
final
onLogoTap → VoidCallback?
Callback executed when the logo is tapped.
final
onPageSelected → ValueChanged<int>?
Callback fired when a navigation page item is selected.
final
onTitleTap → VoidCallback?
Callback executed when the title is tapped.
final
pages → List<String>
List of tab/page string labels displayed in the center navigation bar.
final
pageWidgets → List<Widget>?
Custom list of navigation page widgets (overrides pages strings if provided).
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
selectedPageIndex → int
Currently active page index in the center navigation bar.
final
showApplicationHeaderButton1 → bool
Whether action button 1 is displayed.
final
showApplicationHeaderButton2 → bool
Whether action button 2 is displayed.
final
showApplicationHeaderButton3 → bool
Whether action button 3 is displayed.
final
showApplicationHeaderButton4 → bool
Whether action button 4 is displayed.
final
showAvatarButton → bool
Whether the user profile avatar button is displayed.
final
title → String
Text string for the application title.
final
titleWidget → Widget?
Custom widget override for the application title.
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

Constants

version → const String
Component version for reference. v1.0.1: Default logo uses alter_logo.png asset with full customization support (logo, logoWidget, logoAssetPath). v1.0.0: Initial release matching Figma Node 706:8794 (ApplicationHeader / device=Web).