toString method
A string representation of this object.
Some classes have a default textual representation,
often paired with a static parse function (like int.parse).
These classes will provide the textual representation as
their string representation.
Other classes have no meaningful textual representation
that a program will care about.
Such classes will typically override toString to provide
useful information when inspecting the object,
mainly for debugging or logging.
Implementation
@override
String toString() =>
'PickerNotAvailableException: The web contact picker API is not available in this browser. Right now it is only available in mobile versions of some chromium browser. Read this for more info: https://web.dev/contact-picker/ && https://developer.mozilla.org/en-US/docs/Web/API/Contact_Picker_API#Browser_compatibility';