PageController class
A controller for a PageView, enabling page-by-page navigation.
- Inheritance
-
- Object
- ScrollController
- PageController
Constructors
- PageController({int initialPage = 0, double viewportFraction = 1.0, ScrollDirection direction = ScrollDirection.horizontal})
- Creates a new PageController.
Properties
- direction → ScrollDirection
-
Direction of scrolling (horizontal or vertical).
finalinherited
- hasClients → bool
-
Returns true if the controller is attached to an HTML DOM element.
no setterinherited
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasReachedEnd → bool
-
Returns true if the controller has reached
the end of the scrollable component.
no setterinherited
- initialPage → int
-
The page to show when first creating the scroll view.
final
- isAtStart → bool
-
Returns true if the controller is at the
start of the scrollable component.
no setterinherited
- isScrollable → bool
-
Whether the attached element is a scrollable container.
no setterinherited
- maxScrollExtent → double
-
Maximum scroll extent based on direction
(scrollHeight/clientHeight or scrollWidth/clientWidth).
no setterinherited
- minScrollExtent → double
-
Minimum scroll extent (usually 0.0).
no setterinherited
- offset → double
-
The current scroll offset in pixels based on direction.
no setterinherited
- page → double
-
Returns the current page index.
no setter
- position → double
-
Alias for current scroll position based on direction.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- viewportFraction → double
-
The fraction of the viewport that each page should occupy (default 1.0).
final
Methods
-
addListener(
VoidCallback listener) → void -
Adds a scroll position listener callback.
inherited
-
animateTo(
double value, {Duration duration = const Duration(milliseconds: 300), Curves curve = Curves.easeInOut}) → void -
Animates the scroll position smoothly to
valuein pixels.inherited -
animateToIndex(
int index, {required double itemExtent, Duration duration = const Duration(milliseconds: 300), Curves curve = Curves.easeInOut}) → void -
Animates smoothly to a specific item
indexgiven a fixeditemExtentin pixels.inherited -
animateToPage(
int page, {Duration duration = const Duration(milliseconds: 300), Curves curve = Curves.easeInOut}) → void -
Animates smoothly to the specified
pageindex. -
attach(
HTMLElement element) → void -
Attaches the controller to a rendered HTML element.
override
-
detach(
) → void -
Detaches the controller from the HTML element.
inherited
-
dispose(
) → void -
Disposes resources used by the controller.
inherited
-
jumpTo(
double value) → void -
Jumps the scroll position immediately to
valuein pixels.inherited -
jumpToIndex(
int index, {required double itemExtent}) → void -
Jumps immediately to a specific item
indexgiven a fixeditemExtentin pixels.inherited -
jumpToPage(
int page) → void -
Jumps immediately to the specified
pageindex. -
nextPage(
{Duration duration = const Duration(milliseconds: 300), Curves curve = Curves.easeInOut}) → void - Navigates to the next page.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
notifyListeners(
) → void -
Notifies all registered listeners.
inherited
-
previousPage(
{Duration duration = const Duration(milliseconds: 300), Curves curve = Curves.easeInOut}) → void - Navigates to the previous page.
-
removeListener(
VoidCallback listener) → void -
Removes a scroll position listener callback.
inherited
-
scrollToComponent(
String id, {Duration duration = const Duration(milliseconds: 300), Curves curve = Curves.easeInOut}) → void -
Scrolls to a specific component inside the scrollable component.
inherited
-
scrollToEnd(
) → void -
Jumps the scroll position to the end of the scrollable component.
inherited
-
scrollToTop(
) → void -
Jumps the scroll position to the top of the scrollable component.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited