UserBackgroundImage class

A widget that displays the user's background image.

user 가 지정되면, 해당 사용자의 background image 를 표시한다. 이 때, background image 가 없으면 initialData 를 사용한다.

uid 가 지정되고, user 가 지정되지 않으면, initialData 를 사용하여 먼저 background image 를 표시하고, 그 다음에 DB 에서 가져와 이미지를 표시한다.

Inheritance

Constructors

UserBackgroundImage({Key? key, String? uid, User? user, String? initialData, bool sync = false})
const
UserBackgroundImage.sync({Key? key, String? uid, User? user, String? initialData})
Realtime update the user's background image.
const

Properties

hashCode int
The hash code for this object.
no setterinherited
initialData String?
final
key Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
sync bool
final
uid String?
final
user User?
final

Methods

build(BuildContext context) Widget
Describes the part of the user interface represented by this widget.
override
builder(dynamic url) Widget
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