Listener<Message> mixin

A mixin used on classes that want to receive messages of type Message.

Subclasses must call listen when they want to start receiving messages and cancel when they want to stop receiving messages.

Subclasses must implement onMessage.

See also:

• MultiListener, which enables listening to multiple message types.

Mixin Applications

• ListenerBloc
• ListenerCubit
• ListenerDelegate

Properties

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

Methods

cancel() → void

Stops receiving messages.

listen() → void

Starts message receiving.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

onInitialMessage(Message message) → void

Called when registering Listener if a message of type Message was sent earlier by Sender.

onMessage(Message message) → void

Called every time a new message is received.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited