com.trello.navi2

Interface NaviComponent

All Known Implementing Classes:

NaviActivity, NaviAppCompatActivity, NaviAppCompatDialogFragment, NaviDialogFragment, NaviDialogFragment, NaviEmitter, NaviFragment, NaviFragment

public interface NaviComponent

Represents an Android component (Activity, Fragment) that can have listeners.

Method Summary

Modifier and Type	Method and Description
<T> void	addListener(Event<T> event, Listener<T> listener) Adds a listener to this component.
boolean	handlesEvents(Event... events) Determines whether this component can handle particular events.
<T> void	removeListener(Listener<T> listener) Removes a listener from this component.

Method Detail

handlesEvents

boolean handlesEvents(Event... events)

Determines whether this component can handle particular events. For example, Activities do not handle Event.CREATE_VIEW since they do not have that step.

Parameters:

events - the events to check

Returns:

true if all events can be handled

addListener

<T> void addListener(@NonNull
                     Event<T> event,
                     @NonNull
                     Listener<T> listener)

Adds a listener to this component.

Type Parameters:

T - the callback type for the event

Parameters:

event - an Event

listener - the listener for that event

Throws:

IllegalArgumentException - if this component cannot handle the event

removeListener

<T> void removeListener(@NonNull
                        Listener<T> listener)

Removes a listener from this component.

Type Parameters:

T - the callback type for the event

Parameters:

listener - the listener for that event