IndicatorStateHelper class

Deprecated in favor of the CustomRefreshIndicator.onStateChanged function argument and IndicatorStateChange class.

CustomRefreshIndicator(
 onStateChanged: (change) {
    if (change.didChange(to: IndicatorState.loading)) {
      _startShakeAnimation();
    } else if (change.didChange(to: IndicatorState.idle)) {
      _stopShakeAnimation();
    }
  },
  child: child,
  builder: (context, child, controller) {
    /***/
  },
);
Annotations
  • @Deprecated('Deprecated in favor of the CustomRefreshIndicator.onStateChanged function.')

Constructors

IndicatorStateHelper()

Properties

hashCode → int
The hash code for this object.
no setterinherited
isArmed → bool
no setter
isComplete → bool
no setter
isDragging → bool
no setter
isHiding → bool
no setter
isIdle → bool
no setter
isLoading → bool
no setter
previousState → IndicatorState
Describes current CustomRefreshIndicator state
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
state → IndicatorState
Describes current CustomRefreshIndicator state
no setter
wasArmed → bool
no setter
wasComplete → bool
no setter
wasDragging → bool
no setter
wasHiding → bool
no setter
wasIdle → bool
no setter
wasLoading → bool
no setter

Methods

didStateChange({IndicatorState? from, IndicatorState? to}) → bool
  • When from and to are provided - returns true when state did change from to to.
  • When only from is provided - returns true when state did change from from.
  • When only to is provided - returns true when state did change to to.
  • When from and to equals null - returns true for any state change.
    • noSuchMethod(Invocation invocation) → dynamic
    Invoked when a nonexistent method or property is accessed.
    inherited
    toString() → String
    A string representation of this object.
    inherited
    update(IndicatorState state) → void
    Updates state and previousState data.

    Operators

    operator ==(Object other) → bool
    The equality operator.
    inherited