StreamChannelGridView class
A GridView that shows a grid of Users, it uses StreamChannelGridTile as a default item.
Example:
StreamChannelGridView(
controller: controller,
onChannelTap: (channel) {
// Handle channel tap event
},
onChannelLongPress: (channel) {
// Handle channel long press event
},
)
See also:
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- StreamChannelGridView
Constructors
- StreamChannelGridView({Key? key, required StreamChannelListController controller, SliverGridDelegate gridDelegate = defaultChannelGridViewDelegate, StreamChannelGridViewIndexedWidgetBuilder? itemBuilder, WidgetBuilder? emptyBuilder, PagedValueScrollViewLoadMoreErrorBuilder? loadMoreErrorBuilder, WidgetBuilder? loadMoreIndicatorBuilder, WidgetBuilder? loadingBuilder, Widget errorBuilder(BuildContext, StreamChatError)?, void onChannelTap(Channel)?, void onChannelLongPress(Channel)?, int loadMoreTriggerIndex = 3, Axis scrollDirection = Axis.vertical, bool reverse = false, ScrollController? scrollController, bool? primary, ScrollPhysics? physics, bool shrinkWrap = false, EdgeInsetsGeometry? padding, bool addAutomaticKeepAlives = true, bool addRepaintBoundaries = true, bool addSemanticIndexes = true, double? cacheExtent, int? semanticChildCount, DragStartBehavior dragStartBehavior = DragStartBehavior.start, ScrollViewKeyboardDismissBehavior keyboardDismissBehavior = ScrollViewKeyboardDismissBehavior.manual, String? restorationId, Clip clipBehavior = Clip.hardEdge})
-
Creates a new instance of StreamChannelGridView.
const
Properties
- addAutomaticKeepAlives → bool
-
Whether to wrap each child in an AutomaticKeepAlive.
final
- addRepaintBoundaries → bool
-
Whether to wrap each child in a RepaintBoundary.
final
- addSemanticIndexes → bool
-
Whether to wrap each child in an IndexedSemantics.
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
- clipBehavior → Clip
-
The content will be clipped (or not) according to this option.
final
- controller → StreamChannelListController
-
The StreamUserListController used to control the grid of users.
final
- dragStartBehavior → DragStartBehavior
-
Determines the way that drag start behavior is handled.
final
- emptyBuilder → WidgetBuilder?
-
A builder that is called to build the empty state of the grid.
final
- errorBuilder → Widget Function(BuildContext, StreamChatError)?
-
A builder that is called to build the error state of the grid.
final
- gridDelegate → SliverGridDelegate
-
A delegate that controls the layout of the children within
the PagedValueGridView.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- itemBuilder → StreamChannelGridViewIndexedWidgetBuilder?
-
A builder that is called to build items in the PagedValueGridView.
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- keyboardDismissBehavior → ScrollViewKeyboardDismissBehavior
-
ScrollViewKeyboardDismissBehavior the defines how this ScrollView will
dismiss the keyboard automatically.
final
- loadingBuilder → WidgetBuilder?
-
A builder that is called to build the loading state of the grid.
final
- loadMoreErrorBuilder → PagedValueScrollViewLoadMoreErrorBuilder?
-
A builder that is called to build the load more error state of the grid.
final
- loadMoreIndicatorBuilder → WidgetBuilder?
-
A builder that is called to build the load more indicator of the grid.
final
- loadMoreTriggerIndex → int
-
The index to take into account when triggering
controller.loadMore
.final - onChannelLongPress → void Function(Channel)?
-
Called when the user long-presses on this grid tile.
final
- onChannelTap → void Function(Channel)?
-
Called when the user taps this grid tile.
final
- padding → EdgeInsetsGeometry?
-
The amount of space by which to inset the children.
final
- physics → ScrollPhysics?
-
How the scroll view should respond to user input.
final
- primary → bool?
-
Whether this is the primary scroll view associated with the parent
PrimaryScrollController.
final
- restorationId → String?
-
Restoration ID to save and restore the scroll offset of the scrollable.
final
- reverse → bool
-
Whether the scroll view scrolls in the reading direction.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- scrollController → ScrollController?
-
An object that can be used to control the position to which this scroll
view is scrolled.
final
- scrollDirection → Axis
-
The Axis along which the scroll view's offset increases.
final
- semanticChildCount → int?
-
The number of children that will contribute semantic information.
final
- shrinkWrap → bool
-
Whether the extent of the scroll view in the scrollDirection should be
determined by the contents being viewed.
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}) → 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