NumberBuilder<T extends num> class

A specialized TextBuilder to handle numeric inputs.

T can be either int or double, and the UI will validate that.

Inheritance

Constructors

NumberBuilder(T value, {num? min, num? max}): Creates a number builder based on an initial value.

controller → TextEditingController: The controller for the TextField.
finalinherited
error ↔ String?: The error to display in the UI, if any.
getter/setter pairinherited
hashCode → int: The hash code for this object.
no setterinherited
hasListeners → bool: Whether any listeners are currently registered.
no setterinherited
isInteger → bool: Whether this builder is modifying a decimal number.
no setter
isValid → bool: Whether the value in the UI is valid.
no setterinherited
max → num?: The maximum allowed value.
final
min → num?: The minimum allowed value.
final
otherBuilders → List<ChangeNotifier>: Other builders to listen to.
no setterinherited
runtimeType → Type: A representation of the runtime type of the object.
no setterinherited
value ↔ T: The value being updated in the UI.
getter/setter pairinherited

addListener(VoidCallback listener) → void: Register a closure to be called when the object changes.
inherited
clear() → void: Clears the value in this builder.
dispose() → void: Discards any resources used by the object. After this is called, the object is not in a usable state and should be discarded (calls to addListener will throw after the object is disposed).
inherited
noSuchMethod(Invocation invocation) → dynamic: Invoked when a nonexistent method or property is accessed.
inherited
notifyListeners() → void: Call all the registered listeners.
inherited
removeListener(VoidCallback listener) → void: Remove a previously registered closure from the list of closures that are notified when the object changes.
inherited
toString() → String: A string representation of this object.
inherited
update(String input) → void: Updates the value based on the user's input.
override