Nav class

Navigation widget Nav...

Nav(
  trailingMenu: [
    NavMenuItem(
      title: 'home',
      builder: (context) => NavDialog(
        child: Container(
          alignment: Alignment.center,
          padding: EdgeInsets.all(32.0),
          width: 600.0,
          child: Text('Home page'),
        ),
      ),
      icon: (context) => Icon(Icons.home)
    ),
    NavMenuItem(
      title: 'settings',
      builder: (context) => NavDialog(
        child: Container(
          alignment: Alignment.center,
          padding: EdgeInsets.all(32.0),
          width: 600.0,
          child: Text('Settings page'),
        ),
      ),
      icon: (context) => Icon(Icons.settings),
    ),
  ],
  items: [
    NavItem(
      builder: (context, _) => Center(child: Text('page1')),
      title: 'page1',
      icon: Icons.today,
    ),
    NavItem(
      builder: (context, _) => Center(child: Text('page2')),
      title: 'page2',
      icon: Icons.stars,
    ),
    NavItem(
      builder: (context, _) => Center(child: Text('page3')),
      title: 'page3',
      icon: Icons.share,
    ),
  ],
)
Inheritance

Constructors

Creates a navigation bar.
const

Properties

controller NavController?
Controls selected index.
final
hashCode int
The hash code for this object.
no setterinherited
isBackButtonEnabled bool?
If the back button should respond to user input.
final
items List<NavItem>
The items with builder and route names for transition among pages.
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
The axis of the nav bar.
final
onPressBackButton VoidCallback?
Callback for the back button.
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
trailingMenu List<NavMenuItem>
Menu before the navigation items.
final
visible bool
If the nav bar should be visible.
final

Methods

createElement() StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() State<Nav>
Creates the mutable state for this widget at a given location in the tree.
override
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}) 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

Static Methods

of(BuildContext context) NavContext?