BarcodeWidget class
Flutter widget to draw a Barcode on screen.
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatelessWidget
- BarcodeWidget
Constructors
- BarcodeWidget({Key? key, required String data, required Barcode barcode, Color color = Colors.black, Color? backgroundColor, Decoration? decoration, EdgeInsetsGeometry? margin, EdgeInsetsGeometry? padding, double? width, double? height, bool drawText = true, TextStyle? style, double textPadding = 5, BarcodeErrorBuilder? errorBuilder})
-
Draw a barcode on screen
const
- BarcodeWidget.fromBytes({Key? key, required Uint8List data, required Barcode barcode, Color color = Colors.black, Color? backgroundColor, Decoration? decoration, EdgeInsetsGeometry? margin, EdgeInsetsGeometry? padding, double? width, double? height, bool drawText = true, TextStyle? style, double textPadding = 5, BarcodeErrorBuilder? errorBuilder})
-
Draw a barcode on screen using Uint8List data
const
Properties
- backgroundColor → Color?
-
The background color.
this should be white or really light color
final
- barcode → Barcode
-
The type of barcode to use.
use:
final
- color → Color
-
The bars color
should be black or really dark color
final
- data → Uint8List
-
no setter
- decoration → Decoration?
-
Decoration to apply to the barcode
final
- drawText → bool
-
Whether to draw the text with the barcode
final
- errorBuilder → BarcodeErrorBuilder?
-
Displays a custom widget in case of error with the barcode.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double?
-
Height of the barcode with padding
final
- isBytes → bool
-
Is this raw bytes
no setter
- key → Key?
-
Controls how one widget replaces another widget in the tree.
finalinherited
- margin → EdgeInsetsGeometry?
-
Margin to apply
final
- padding → EdgeInsetsGeometry?
-
Padding to apply
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- style → TextStyle?
-
Text style to use to draw the text
final
- textPadding → double
-
Padding to add between the text and the barcode
final
- width → double?
-
Width of the barcode with padding
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
-
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