TFeedback class abstract final

Central haptic + sound feedback for eyes-off, hands-busy workflows (scan confirmations, quantity steps, errors).

Widgets must call this helper instead of using HapticFeedback directly so that apps can disable or tune feedback in one place.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

enabled ↔ bool

Globally enables or disables all feedback (e.g. from a user setting).

getter/setter pair

soundEnabled ↔ bool

Also plays a short system sound for success, warning and error.

getter/setter pair

Static Methods

error() → Future<void>

Signals a rejected action (wrong item/location, validation failure).

selection() → Future<void>

Light tick for selection changes (toggle, tab change, chip select).

step() → Future<void>

Soft impact for incremental steps (quantity +/-).

success() → Future<void>

Confirms a successful scan/validation/commit.

warning() → Future<void>

Signals something the operator should double check (e.g. near expiry).