DoubleBack class

DoubleBack, wrap a widget to use it child : widget message : to show on toast waitToSecondPressed (optional) if you want to wait longer condition and conditionFail, if you want show at spesific condition

Inheritance

Constructors

DoubleBack({Key? key, required Widget child, String message = "Press back again to exit", int waitForSecondBackPress = 2, Function? onFirstBackPress, bool condition = true, VoidCallback? onConditionFail, TextStyle textStyle = const TextStyle(fontSize: 14, color: Colors.white), Color background = const Color(0xAA000000), double backgroundRadius = 20})
DoubleBack, wrap a widget to use it
const

Properties

background → Color
final
backgroundRadius → double
final
child → Widget
final
condition → bool
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
message → String
final
onConditionFail → VoidCallback?
final
onFirstBackPress → Function?
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
textStyle → TextStyle
final
waitForSecondBackPress → int
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → _DoubleBackState
Creates the mutable state for this widget at a given location in the tree.
override
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