CustomMinimumContrastGuideline class Null safety

A guideline which verifies that all elements specified by finder meet minimum contrast levels.

Inheritance

Constructors

CustomMinimumContrastGuideline({required Finder finder, double minimumRatio = 4.5, double tolerance = 0.01, String description = 'Contrast should follow custom guidelines'})
Creates a custom guideline which verifies that all elements specified by finder meet minimum contrast levels. [...]
const

Properties

description → String
A description of the policy restrictions and criteria.
read-only, override
finder → Finder
The Finder used to find a subset of elements. [...]
final
hashCode → int
The hash code for this object. [...]
read-only, inherited
minimumRatio → double
The minimum contrast ratio allowed. [...]
final
runtimeType → Type
A representation of the runtime type of the object.
read-only, inherited
tolerance → double
Tolerance for minimum contrast ratio. [...]
final

Methods

evaluate(WidgetTester tester) → Future<Evaluation>
Evaluate whether the current state of the tester conforms to the rule.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
toString() → String
A string representation of this object. [...]
inherited

Operators

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