CupertinoTabController class Null safety

Coordinates tab selection between a CupertinoTabBar and a CupertinoTabScaffold.

The index property is the index of the selected tab. Changing its value updates the actively displayed tab of the CupertinoTabScaffold the CupertinoTabController controls, as well as the currently selected tab item of its CupertinoTabBar.

link
This samples shows how CupertinoTabController can be used to switch tabs in CupertinoTabScaffold.

See also:

Inheritance

Constructors

CupertinoTabController({int initialIndex = 0})
Creates a CupertinoTabController to control the tab index of CupertinoTabScaffold and CupertinoTabBar.

Properties

hashCode → int
The hash code for this object.
read-onlyinherited
hasListeners → bool
Whether any listeners are currently registered.
protected">@protectedread-onlyinherited
index ↔ int
The index of the currently selected tab.
read / write
runtimeType → Type
A representation of the runtime type of the object.
read-onlyinherited

Methods

addListener(VoidCallback listener) → void
Register a closure to be called when the object changes.
inherited
dispose() → void
Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
mustCallSuper">@mustCallSuperoverride
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.
inherited
notifyListeners() → void
Call all the registered listeners.
protected">@protectedvisibleForTesting">@visibleForTestinginherited
removeListener(VoidCallback listener) → void
Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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