EMContactEventHandler class

~english The contact event handler.

Occurs when the contact changes, including adding or deleting contacts and accept or rejecting friend requests.

Adds a contact event handler:

  EMClient.getInstance.contactManager.addEventHandler(UNIQUE_HANDLER_ID, EMContactEventHandler());

Removes a contact event handler:

  EMClient.getInstance.contactManager.removeEventHandler(UNIQUE_HANDLER_ID);

~end

~chinese 联系人事件监听

添加监听:

  EMClient.getInstance.contactManager.addEventHandler(UNIQUE_HANDLER_ID, EMContactEventHandler());

移除监听:

  EMClient.getInstance.contactManager.removeEventHandler(UNIQUE_HANDLER_ID);

~end

Constructors

EMContactEventHandler({void onContactAdded(String userId)?, void onContactDeleted(String userId)?, void onContactInvited(String userId, String? reason)?, void onFriendRequestAccepted(String userId)?, void onFriendRequestDeclined(String userId)?})

~english The contact updates listener callback.

Properties

hashCode → int

The hash code for this object.

no setter, inherited

onContactAdded → (void Function(String userId)?)

~english Occurs when user is added as a contact by another user. ~end

final

onContactDeleted → (void Function(String userId)?)

~english Occurs when a user is removed from the contact list by another user. ~end

final

onContactInvited → (void Function(String userId, String? reason)?)

~english Occurs when a user receives a friend request. ~end

final

onFriendRequestAccepted → (void Function(String userId)?)

~english Occurs when a friend request is approved. ~end

final

onFriendRequestDeclined → (void Function(String userId)?)

~english Occurs when a friend request is declined. ~end

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited