EMChatEventHandler class

Chat 事件监听。

用于监听收消息，已读回执，等回调。

添加监听：

  EMClient.getInstance.chatManager.addEventHandler(UNIQUE_HANDLER_ID, EMChatEventHandler());

移除监听：

  EMClient.getInstance.chatManager.removeEventHandler(UNIQUE_HANDLER_ID);

Constructors

EMChatEventHandler({void onMessagesReceived(List<EMMessage> messages)?, void onCmdMessagesReceived(List<EMMessage> messages)?, void onMessagesRead(List<EMMessage> messages)?, void onGroupMessageRead(List<EMGroupMessageAck> groupMessageAcks)?, VoidCallback? onReadAckForGroupMessageUpdated, void onMessagesDelivered(List<EMMessage> messages)?, void onMessagesRecalled(List<EMMessage> messages)?, VoidCallback? onConversationsUpdate, void onConversationRead(String from, String to)?, void onMessageReactionDidChange(List<EMMessageReactionEvent> events)?, void onMessageContentChanged(EMMessage message, String operatorId, int operationTime)?, void onMessagePinChanged(String messageId, String conversationId, MessagePinOperation pinOperation, MessagePinInfo pinInfo)?, void onMessagesRecalledInfo(List<RecallMessageInfo>)?}): 消息事件监听。

Properties

hashCode → int: The hash code for this object.
read-onlyinherited
onCmdMessagesReceived → (void Function(List<EMMessage> messages)?): 收到命令消息回调。与 onMessagesReceived 不同, 这个回调只包含命令的消息，命令消息通常不对用户展示。
final
onConversationRead → (void Function(String from, String to)?): 收到会话已读回执的回调。
final
onConversationsUpdate → VoidCallback?: 会话更新事件回调。
final
onGroupMessageRead → (void Function(List<EMGroupMessageAck> groupMessageAcks)?): 收到群组消息的已读回执的回调。
final
onMessageContentChanged → (void Function(EMMessage message, String operatorId, int operationTime)?): 收到消息内容变化。
final
onMessagePinChanged → (void Function(String messageId, String conversationId, MessagePinOperation pinOperation, MessagePinInfo pinInfo)?): 消息置顶状态变化。
final
onMessageReactionDidChange → (void Function(List<EMMessageReactionEvent> events)?): 消息表情回复（Reaction）变化监听器。
final
onMessagesDelivered → (void Function(List<EMMessage> messages)?): 收到消息已送达回执的回调。
final
onMessagesRead → (void Function(List<EMMessage> messages)?): 收到单聊消息已读回执的回调。
final
onMessagesRecalled → (void Function(List<EMMessage> messages)?): 已收到的消息被撤回的回调。
final
onMessagesRecalledInfo → (void Function(List<RecallMessageInfo>)?): 已收到的消息被撤回的回调。
final
onMessagesReceived → (void Function(List<EMMessage> messages)?): 收到消息回调。在收到文本、图片、视频、语音、地理位置和文件等消息时，通过此回调通知用户。
final
onReadAckForGroupMessageUpdated → VoidCallback?: 群消息已读变更。
final
runtimeType → Type: A representation of the runtime type of the object.
read-onlyinherited

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