NullableKnobsBuilder class abstract

A version of KnobsBuilder that creates nullable versions of all knobs.

Constructors

NullableKnobsBuilder()

A version of KnobsBuilder that creates nullable versions of all knobs.

const

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

boolean({required String label, String? description, bool initial = false, bool enabled = true}) → bool?

Creates checkbox with label, description and initial value.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

options<T>({required String label, String? description, required T initial, List<Option<T>> options = const [], bool enabled = true}) → T?

Creates select field with label, description, initial value and list of options.

slider({required String label, String? description, double? initial, double max = 1, double min = 0, bool enabled = true}) → double?

Creates slider knob with double value.

sliderInt({required String label, String? description, int? initial, int max = 100, int min = 0, int divisions = 100, bool enabled = true}) → int?

Creates slider knob with int value.

text({required String label, String? description, String initial = '', bool enabled = true}) → String?

Creates text input field with label, description and initial value.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited