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

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, int wrapWidth = 65}) 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