SaleByWalletScreen class

Main screen for wallet-based payment transactions.

Provides a comprehensive interface for processing payments through various wallet methods including QR code scanning, phone number entry, and alias-based payments. Includes amount entry, currency selection, and real-time transaction monitoring.

Features

  • Multiple wallet payment methods (QR, Phone, Alias)
  • Amount and currency input with validation
  • Terminal selection for merchants with multiple terminals
  • Real-time countdown timer for transaction completion
  • Transaction status monitoring and callbacks
  • Responsive UI with proper keyboard handling

Example:

SaleByWalletScreen(
  transactionId: 'txn_123',
  countDownInSeconds: 300,
  onPayCallback: (result) => handlePaymentResult(result),
  onCountComplete: (result) => handleTimeout(result),
  getTransactionFunction: (id) => fetchTransaction(id),
  log: (message) => logEvent(message),
)
Inheritance

Constructors

SaleByWalletScreen.new({Key? key, required GetTransactionFunction getTransactionFunction, required OnPayCallback onPayCallback, required OnPayCallback onCountComplete, required String transactionId, required int countDownInSeconds, EventCallback? log})
const

Properties

countDownInSeconds → int
final
getTransactionFunction → GetTransactionFunction
final
hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
log → EventCallback?
final
onCountComplete → OnPayCallback
final
onPayCallback → OnPayCallback
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
transactionId → String
final

Methods

createElement() → StatefulElement
Creates a StatefulElement to manage this widget's location in the tree.
inherited
createState() → State<SaleByWalletScreen>
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, int wrapWidth = 65}) → 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