ImageWidget class
Trả về hình ảnh tương ứng với imageUrl có thể là một URL hoặc một đường dẫn tới file ảnh trong thư mục assets, hoặc là đường dẫn trỏ tới file trong máy.
Nếu imageUrl không phải 3 loại phía trên, thì sẽ trả về errorWidget, trong trường hợp không có errorWidget thì sẽ trả về defaultError.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- ImageWidget
Constructors
- ImageWidget({Key? key, required String? imageUrl, double? width, double? height, BoxFit fit = BoxFit.cover, double radius = 0, Widget errorWidget(BuildContext, dynamic, dynamic)?, Widget placeholder(BuildContext)?, Color? color, bool circle = false})
-
Trả về hình ảnh tương ứng với imageUrl có thể là một URL hoặc một đường dẫn tới file ảnh trong
thư mục assets, hoặc là đường dẫn trỏ tới file trong máy.
const
Properties
- circle → bool
-
final
- color → Color?
-
final
- errorWidget → (Widget Function(BuildContext, dynamic, dynamic)?)
-
final
- fit → BoxFit
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double?
-
final
- imageUrl → String?
-
final
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- placeholder → (Widget Function(BuildContext)?)
-
final
- radius → double
-
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- width → double?
-
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
DiagnosticsNodeobjects describing this node's children.inherited -
debugFillProperties(
DiagnosticPropertiesBuilder properties) → void -
Add additional properties associated with the node.
inherited
-
errorBuilder(
BuildContext context, dynamic __, dynamic ___) → Widget -
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
Static Properties
- defaultError ↔ Widget Function(BuildContext, dynamic, dynamic)
-
getter/setter pair