IntField class

Integer Form Field.

The Integer field only accepts integer values. Letters and most symbols cannot be entered into this type of field. However, the negative sign ('-') and the positive sign ('+') are allowed.

Non-numeric characters must somehow be filtered out so that they do not appear in the form field. This is accomplished by setting the following:

  • Int as the validator to limit input data to integer values
  • the inputFormatters to deny non-digt characters except the minus '-' and plus '+' signs.
  • TextInputType.numberWithOptions as the keyboardType.
Inheritance

Constructors

IntField({bool trim = false, FormFieldValidator<String>? validator, String? blank, String? malformed, String? initialValue, TextEditingController? controller, InputDecoration? decoration, TextInputAction? textInputAction, TextStyle? style, TextDirection? textDirection, TextAlign textAlign = TextAlign.start, bool readOnly = false, String obscuringCharacter = '•', bool obscureText = false, bool autocorrect = true, int? maxLength, ValueChanged<String>? onChanged, VoidCallback? onEditingComplete, ValueChanged<String>? onFieldSubmitted, FormFieldSetter<String>? onSaved, bool? enabled, List<TextInputFormatter>? inputFormatters, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), bool enableInteractiveSelection = true, AutovalidateMode? autovalidateMode, Key? key})
Integer Numbers Form Field.
IntField.max(int max, {bool trim = false, FormFieldValidator<String>? validator, String? blank, String? malformed, String? large, String? initialValue, TextEditingController? controller, InputDecoration? decoration = const InputDecoration(), TextInputAction? textInputAction, TextStyle? style, TextDirection? textDirection, TextAlign textAlign = TextAlign.start, bool readOnly = false, String obscuringCharacter = '•', bool obscureText = false, bool autocorrect = true, int? maxLength, ValueChanged<String>? onChanged, VoidCallback? onEditingComplete, ValueChanged<String>? onFieldSubmitted, FormFieldSetter<String>? onSaved, bool? enabled, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), bool enableInteractiveSelection = true, AutovalidateMode? autovalidateMode, Key? key})
Constrains data to integer values that are less than or equal to max.
IntField.min(int min, {bool trim = false, FormFieldValidator<String>? validator, String? blank, String? malformed, String? small, String? initialValue, TextEditingController? controller, InputDecoration? decoration, TextInputAction? textInputAction, TextStyle? style, TextDirection? textDirection, TextAlign textAlign = TextAlign.start, bool readOnly = false, String obscuringCharacter = '•', bool obscureText = false, bool autocorrect = true, int? maxLength, ValueChanged<String>? onChanged, VoidCallback? onEditingComplete, ValueChanged<String>? onFieldSubmitted, FormFieldSetter<String>? onSaved, bool? enabled, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), bool enableInteractiveSelection = true, AutovalidateMode? autovalidateMode, Key? key})
Constrains data to integer numbers greater than or equal to min.
IntField.neg({bool trim = false, FormFieldValidator<String>? validator, String? blank, String? malformed, String? pos, String? initialValue, TextEditingController? controller, InputDecoration? decoration, TextInputAction? textInputAction, TextStyle? style, TextDirection? textDirection, TextAlign textAlign = TextAlign.start, bool readOnly = false, String obscuringCharacter = '•', bool obscureText = false, bool autocorrect = true, int? maxLength, ValueChanged<String>? onChanged, VoidCallback? onEditingComplete, ValueChanged<String>? onFieldSubmitted, FormFieldSetter<String>? onSaved, bool? enabled, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), bool enableInteractiveSelection = true, AutovalidateMode? autovalidateMode, Key? key})
Constrains entered data to negative integers.
IntField.pos({bool trim = false, FormFieldValidator<String>? validator, String? blank, String? malformed, String? neg, String? initialValue, TextEditingController? controller, InputDecoration? decoration, TextInputAction? textInputAction, TextStyle? style, TextDirection? textDirection, TextAlign textAlign = TextAlign.start, bool readOnly = false, String obscuringCharacter = '•', bool obscureText = false, bool autocorrect = true, int? maxLength, ValueChanged<String>? onChanged, VoidCallback? onEditingComplete, ValueChanged<String>? onFieldSubmitted, FormFieldSetter<String>? onSaved, bool? enabled, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), bool enableInteractiveSelection = true, AutovalidateMode? autovalidateMode, Key? key})
Constrains data to positive integers.
IntField.range(int min, int max, {bool trim = false, FormFieldValidator<String>? validator, String? blank, String? malformed, String? small, String? large, String? initialValue, TextEditingController? controller, InputDecoration? decoration, TextInputAction? textInputAction, TextStyle? style, TextDirection? textDirection, TextAlign textAlign = TextAlign.start, bool readOnly = false, String obscuringCharacter = '•', bool obscureText = false, bool autocorrect = true, int? maxLength, ValueChanged<String>? onChanged, VoidCallback? onEditingComplete, ValueChanged<String>? onFieldSubmitted, FormFieldSetter<String>? onSaved, bool? enabled, EdgeInsets scrollPadding = const EdgeInsets.all(20.0), bool enableInteractiveSelection = true, AutovalidateMode? autovalidateMode, Key? key})
Constrains data to integer numbers within the range min–max.

Properties

hashCode → int
The hash code for this object.
no setterinherited
key → Key?
Controls how one widget replaces another widget in the tree.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

build(BuildContext context) → BasicTextField
Builds a BasicTextField suitable for integer values.
override
createElement() → StatelessElement
Creates a StatelessElement to manage this widget's location in the tree.
inherited
debugDescribeChildren() → List<DiagnosticsNode>
Returns a list of DiagnosticsNode objects describing this node's children.
inherited
debugFillProperties(DiagnosticPropertiesBuilder properties) → void
Add additional properties associated with the node.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toDiagnosticsNode({String? name, DiagnosticsTreeStyle? style}) → DiagnosticsNode
Returns a debug representation of the object that is used by debugging tools and by DiagnosticsNode.toStringDeep.
inherited
toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) → String
A string representation of this object.
inherited
toStringDeep({String prefixLineOne = '', String? prefixOtherLines, DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a string representation of this node and its descendants.
inherited
toStringShallow({String joiner = ', ', DiagnosticLevel minLevel = DiagnosticLevel.debug}) → String
Returns a one-line detailed description of the object.
inherited
toStringShort() → String
A short, textual description of this widget.
inherited

Operators

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