StreamAttachmentWidgetBuilder class abstract

A builder which is used to build a widget for a given Message and Attachment's. This can also be used to show custom attachments.

See also:

• AttachmentWidgetBuilderManager, which is used to manage a list of StreamAttachmentWidgetBuilder's.

Implementers

• FallbackAttachmentBuilder
• FileAttachmentBuilder
• GalleryAttachmentBuilder
• GiphyAttachmentBuilder
• ImageAttachmentBuilder
• MixedAttachmentBuilder
• UrlAttachmentBuilder
• VideoAttachmentBuilder

Constructors

StreamAttachmentWidgetBuilder()

A builder which is used to build a widget for a given Message and Attachment's. This can also be used to show custom attachments.

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

build(BuildContext context, Message message, Map<String, List<Attachment>> attachments) → Widget

Builds a widget for the given message and attachments. This will only be called if canHandle returns true.

canHandle(Message message, Map<String, List<Attachment>> attachments) → bool

Determines whether this builder can handle the given message and attachments. If this returns true, build will be called. Otherwise, the next builder in the list will be called.

debugAssertCanHandle(Message message, Map<String, List<Attachment>> attachments) → bool

Asserts that this builder can handle the given message and attachments.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

defaultBuilders({required Message message, ShapeBorder? shape, EdgeInsetsGeometry padding = const EdgeInsets.all(4), StreamAttachmentWidgetTapCallback? onAttachmentTap}) → List<StreamAttachmentWidgetBuilder>

The default list of builders used by the AttachmentWidgetCatalog.