NumberRangeInputFormatter class
A TextInputFormatter that constrains user input within an optional numeric range min and max.
Immediately blocks characters that would cause the input to exceed max,
blocks negative signs (-) when min >= 0, and blocks negative values
that exceed negative min bounds.
- Inheritance
-
- Object
- TextInputFormatter
- NumberRangeInputFormatter
Constructors
- NumberRangeInputFormatter({num? min, num? max, bool isInt = false})
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- isInt → bool
-
Whether the input represents an integer.
final
- max → num?
-
The maximum allowed value. Any character making the number exceed max
is blocked immediately.
final
- min → num?
-
The minimum allowed value. If >= 0, typing '-' is blocked immediately.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
formatEditUpdate(
TextEditingValue oldValue, TextEditingValue newValue) → TextEditingValue -
Called when text is being typed or cut/copy/pasted in the EditableText.
override
-
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 Methods
-
parseNormalized(
String s) → num? -
Parses a string to num, handling leading decimal dot (e.g.
.5->0.5).