ChannelPreview class

screenshot screenshot

It shows the current Channel preview.

The widget uses a StreamBuilder to render the channel information image as soon as it updates.

Usually you don't use this widget as it's the default channel preview used by ChannelListView.

The widget renders the ui based on the first ancestor of type StreamChatTheme. Modify it to change the widget appearance.

Inheritance

Constructors

ChannelPreview({required Channel channel, Key? key, void onTap(Channel)?, void onLongPress(Channel)?, VoidCallback? onImageTap, Widget? title, Widget? subtitle, Widget? leading, Widget? sendingIndicator, Widget? trailing})
Constructor for creating ChannelPreview
const

Properties

channel Channel
Channel displayed
final
hashCode int
The hash code for this object.
no setterinherited
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
leading Widget?
Widget rendering the leading element, by default it shows the ChannelAvatar
final
onImageTap VoidCallback?
The function called when the image is tapped
final
onLongPress → (void Function(Channel)?)
Function called when long pressing this widget
final
onTap → (void Function(Channel)?)
Function called when tapping this widget
final
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
sendingIndicator Widget?
Widget rendering the sending indicator, by default it uses the SendingIndicator widget
final
subtitle Widget?
Widget rendering the subtitle
final
title Widget?
Widget rendering the title
final
trailing Widget?
Widget rendering the trailing element, by default it shows the last message date
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