KeyboardButton class

This object represents one button of the reply keyboard.

For simple text buttons String can be used instead of this object to specify text of the button. Optional fields are mutually exclusive.

Note: requestContact and requestLocation options will only work in Telegram versions released after 9 April, 2016. Older clients will ignore them.

Note: requestPoll option will only work in Telegram versions released after 23 January, 2020. Older clients will display unsupported message.

https://core.telegram.org/bots/api#keyboardbutton

Annotations

• @JsonSerializable(fieldRename: FieldRename.snake)

Constructors

KeyboardButton({required String text, KeyboardButtonRequestUser? requestUser, bool? requestContact, bool? requestLocation, KeyboardButtonPollType? requestPoll, WebAppInfo? webApp})

KeyboardButton.fromJson(Map<String, dynamic> json)

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

requestChat ↔ KeyboardButtonRequestChat?

getter/setter pair

requestContact ↔ bool?

getter/setter pair

requestLocation ↔ bool?

getter/setter pair

requestPoll ↔ KeyboardButtonPollType?

getter/setter pair

requestUser ↔ KeyboardButtonRequestUser?

getter/setter pair

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

text ↔ String

getter/setter pair

webApp ↔ WebAppInfo?

getter/setter pair

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited