SignatureView class
Signature widget view
- Inheritance
-
- Object
- DiagnosticableTree
- Widget
- StatefulWidget
- SignatureView
Constructors
- SignatureView({Color? backgroundColor = Colors.white, String? data, Paint? penStyle, dynamic onSigned(String)?})
- Constructor
Properties
- backgroundColor → Color?
-
Canvas background color
final
- data → String?
-
Default data
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- isEmpty → bool
-
Check empty
no setter
-
key
→ GlobalKey<
_SignatureViewState> -
Controls how one widget replaces another widget in the tree.
final
- onSigned → (dynamic Function(String)?)
-
Callback when signed
final
- penStyle → Paint?
-
Custom paint
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
clear(
) → void - Clear signature view
-
createElement(
) → StatefulElement -
Creates a StatefulElement to manage this widget's location in the tree.
inherited
-
createState(
) → _SignatureViewState -
Creates the mutable state for this widget at a given location in the tree.
override
-
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
-
exportBase64Image(
) → Future< String?> - Export list offset to bytes
-
exportBytes(
) → Future< Uint8List?> - Export list offset to bytes
-
exportListOffsetToString(
) → String? - Export list offset to string
-
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