MenuButton class abstract

This object describes the bot's menu button in a private chat. It should be one of MenuButtonCommands, MenuButtonWebApp, or MenuButtonDefault.

If a menu button other than MenuButtonDefault is set for a private chat, then it is applied in the chat. Otherwise, the default menu button is applied. By default, the menu button opens the list of bot commands.

Available extensions

• MenuButtonPatterns

Annotations

• @Freezed.new(unionKey: 'type', unionValueCase: FreezedUnionCase.snake)

Constructors

MenuButton({@JsonKey.new(name: 'type') @Default.new(MenuButtonType.defaultButton) MenuButtonType type})

Describes that no specific value for the menu button was set.

const

factory

MenuButton.commands({@JsonKey.new(name: 'type') @Default.new(MenuButtonType.commands) MenuButtonType type})

Represents a menu button, which opens the bot's list of commands.

const

factory

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

Creates a new MenuButton object. This method decides which MenuButton subclass to use based on the type field.

factory

MenuButton.webApp({@JsonKey.new(name: 'type') @Default.new(MenuButtonType.webApp) MenuButtonType type, @JsonKey.new(name: 'text') required String text, @JsonKey.new(name: 'web_app') required WebAppInfo webApp})

Represents a menu button, which launches a Web App.

const

factory

Properties

copyWith → $MenuButtonCopyWith<MenuButton>

Create a copy of MenuButton with the given fields replaced by the non-null parameter values.

no setter, inherited

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

type → MenuButtonType

Type of the menu button

no setter, inherited

Methods

map<TResult extends Object?>(TResult $default(MenuButtonDefault value), {required TResult webApp(MenuButtonWebApp value), required TResult commands(MenuButtonCommands value)}) → TResult

Available on MenuButton, provided by the MenuButtonPatterns extension

A switch-like method, using callbacks.

mapOrNull<TResult extends Object?>(TResult? $default(MenuButtonDefault value)?, {TResult? webApp(MenuButtonWebApp value)?, TResult? commands(MenuButtonCommands value)?}) → TResult?

Available on MenuButton, provided by the MenuButtonPatterns extension

A variant of map that fallback to returning null.

maybeMap<TResult extends Object?>(TResult $default(MenuButtonDefault value)?, {TResult webApp(MenuButtonWebApp value)?, TResult commands(MenuButtonCommands value)?, required TResult orElse()}) → TResult

Available on MenuButton, provided by the MenuButtonPatterns extension

A variant of map that fallback to returning orElse.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

Serializes this MenuButton to a JSON map.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited