PagedGridView<PageKeyType, ItemType> class

Paged GridView with progress and error indicators displayed as the last item.

Wraps a PagedSliverGrid in a BoxScrollView so that it can be used without the need for a CustomScrollView. Similar to a GridView.

Inheritance

Constructors

PagedGridView({@required PagingController<PageKeyType, ItemType> pagingController, @required PagedChildBuilderDelegate<ItemType> builderDelegate, @required SliverGridDelegate gridDelegate, ScrollController scrollController, Axis scrollDirection: Axis.vertical, bool reverse: false, bool primary, ScrollPhysics physics, bool shrinkWrap: false, EdgeInsetsGeometry padding, bool addAutomaticKeepAlives: true, bool addRepaintBoundaries: true, bool addSemanticIndexes: true, double cacheExtent, bool showNewPageProgressIndicatorAsGridChild: true, bool showNewPageErrorIndicatorAsGridChild: true, bool showNoMoreItemsIndicatorAsGridChild: true, DragStartBehavior dragStartBehavior: DragStartBehavior.start, ScrollViewKeyboardDismissBehavior keyboardDismissBehavior: ScrollViewKeyboardDismissBehavior.manual, String restorationId, Clip clipBehavior: Clip.hardEdge, Key key})
const

Properties

addAutomaticKeepAlives bool
Corresponds to SliverChildBuilderDelegate.addAutomaticKeepAlives.
final
addRepaintBoundaries bool
Corresponds to SliverChildBuilderDelegate.addRepaintBoundaries.
final
addSemanticIndexes bool
Corresponds to SliverChildBuilderDelegate.addSemanticIndexes.
final
anchor double
The relative position of the zero scroll offset. [...]
final, inherited
builderDelegate PagedChildBuilderDelegate<ItemType>
Corresponds to PagedSliverBuilder.builderDelegate.
final
cacheExtent double
The viewport has an area before and after the visible area to cache items that are about to become visible when the user scrolls. [...]
final, inherited
center Key
The first child in the GrowthDirection.forward growth direction. [...]
final, inherited
clipBehavior Clip
The content will be clipped (or not) according to this option. [...]
final, inherited
controller ScrollController
An object that can be used to control the position to which this scroll view is scrolled. [...]
final, inherited
dragStartBehavior DragStartBehavior
Determines the way that drag start behavior is handled. [...]
final, inherited
gridDelegate SliverGridDelegate
Corresponds to GridView.gridDelegate.
final
hashCode int
The hash code for this object. [...]
@nonVirtual, read-only, inherited
key Key
Controls how one widget replaces another widget in the tree. [...]
final, inherited
keyboardDismissBehavior ScrollViewKeyboardDismissBehavior
ScrollViewKeyboardDismissBehavior the defines how this ScrollView will dismiss the keyboard automatically.
final, inherited
padding EdgeInsetsGeometry
The amount of space by which to inset the children.
final, inherited
pagingController PagingController<PageKeyType, ItemType>
Corresponds to PagedSliverBuilder.pagingController.
final
physics ScrollPhysics
How the scroll view should respond to user input. [...]
final, inherited
primary bool
Whether this is the primary scroll view associated with the parent PrimaryScrollController. [...]
final, inherited
restorationId String
Restoration ID to save and restore the scroll offset of the scrollable. [...]
final, inherited
reverse bool
Whether the scroll view scrolls in the reading direction. [...]
final, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
scrollDirection Axis
The axis along which the scroll view scrolls. [...]
final, inherited
semanticChildCount int
The number of children that will contribute semantic information. [...]
final, inherited
showNewPageErrorIndicatorAsGridChild bool
Corresponds to PagedSliverGrid.showNewPageErrorIndicatorAsGridChild.
final
showNewPageProgressIndicatorAsGridChild bool
Corresponds to PagedSliverGrid.showNewPageProgressIndicatorAsGridChild.
final
showNoMoreItemsIndicatorAsGridChild bool
Corresponds to PagedSliverGrid.showNoMoreItemsIndicatorAsGridChild.
final
shrinkWrap bool
Whether the extent of the scroll view in the scrollDirection should be determined by the contents being viewed. [...]
final, inherited

Methods

build(BuildContext context) Widget
Describes the part of the user interface represented by this widget. [...]
inherited
buildChildLayout(BuildContext context) Widget
Subclasses should override this method to build the layout model.
override
buildSlivers(BuildContext context) List<Widget>
Build the list of widgets to place inside the viewport. [...]
inherited
buildViewport(BuildContext context, ViewportOffset offset, AxisDirection axisDirection, List<Widget> slivers) Widget
Build the viewport. [...]
@protected, inherited
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. [...]
@protected, inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node. [...]
inherited
getDirection(BuildContext context) AxisDirection
Returns the AxisDirection in which the scroll view scrolls. [...]
@protected, inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent 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
Returns 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. [...]
@nonVirtual, inherited