EventListener (Straas Android SDK 0.24.0 API)

```
public interface EventListener
```
EventListener provides developer events about connection and real-time action of other people in the chatroom to listen. You could use this by put this in ChatroomManager.connect(String, Identity).
All of these events would be invoked on UI thread.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`onAggregatedDataAdded(androidx.collection.SimpleArrayMap<String,Integer> map)` Called when some aggregated data was added to the chatroom.
`void`	`onChatWriteModeChanged(ChatMode chatMode)` Called when the `ChatMode` of current chatroom changed.
`void`	`onConnected()` Called when a connection to a chatroom succeeded.
`void`	`onConnectFailed(Exception error)` Called when a connection to a chatroom failed.
`void`	`onDisconnected()` Called when a connection was shut down successfully by invoking `ChatroomManager.disconnect()`
`void`	`onError(Exception error)` Called when a error occurred.
`void`	`onInputIntervalChanged(int inputInterval)` Called when the message-send interval of current chatroom changed.
`void`	`onMessageAdded(Message message)` Called when a new message was added to the chatroom.
`void`	`onMessageFlushed()` Called when the messages in the chatroom was flushed by Master.
`void`	`onMessageRemoved(String messageId)` Called when a message was removed from the chatroom.
`void`	`onMetadataUpdated(androidx.collection.SimpleArrayMap<String,ChatMetadata> map)` Called when `ChatMetadata` are updated.
`void`	`onPinnedMessageUpdated(Message pinnedMessage)` Called when the pinned message is updated or unpinned.
`void`	`onRawDataAdded(Message message)` Called when a new raw data message was added to the chatroom.
`void`	`onUserJoined(User... users)` Called when a user/users joined the chatroom.
`void`	`onUserLeft(Integer... userLabels)` Called when a user/users leaved the chatroom.
`void`	`onUserUpdated(User... users)` Called when information of a user/users is updated.
`void`	`userCount(int userCount)` Sent from the server to provide current user count in chatroom.

- Method Detail
  - onConnected
```
void onConnected()
```
    Called when a connection to a chatroom succeeded.
  - onConnectFailed
```
void onConnectFailed(Exception error)
```
    Called when a connection to a chatroom failed.
    
    Parameters:
    
    error - Failure reason.
  - onError
```
void onError(Exception error)
```
    Called when a error occurred. When you receive this event, it means the connection was shut down.
    
    Parameters:
    
    error - Error that occurs when ChatroomManager tries to reconnect.
  - onDisconnected
```
void onDisconnected()
```
    Called when a connection was shut down successfully by invoking ChatroomManager.disconnect()
  - onMessageAdded
```
void onMessageAdded(Message message)
```
    Called when a new message was added to the chatroom.
    
    Parameters:
    
    message - The message.
  - onMessageRemoved
```
void onMessageRemoved(String messageId)
```
    Called when a message was removed from the chatroom.
    
    Parameters:
    
    messageId - The message id.
  - onMessageFlushed
```
void onMessageFlushed()
```
    Called when the messages in the chatroom was flushed by Master.
  - onAggregatedDataAdded
```
void onAggregatedDataAdded(androidx.collection.SimpleArrayMap<String,Integer> map)
```
    Called when some aggregated data was added to the chatroom.
    
    Parameters:
    
    map - each key-value pair represents the number of times the data string has occurred
  - onRawDataAdded
```
void onRawDataAdded(Message message)
```
    Called when a new raw data message was added to the chatroom.
    
    Parameters:
    
    message - The raw data which someone sent via sendRawData(RawData), use Message.getRawData() to retrieve the RawData.
  - onUserJoined
```
void onUserJoined(User... users)
```
    Called when a user/users joined the chatroom.
    
    Parameters:
    
    users - Users who joined the chatroom.
  - onUserUpdated
```
void onUserUpdated(User... users)
```
    Called when information of a user/users is updated.
    
    Parameters:
    
    users - New information of users.
  - onUserLeft
```
void onUserLeft(Integer... userLabels)
```
    Called when a user/users leaved the chatroom.
    
    Parameters:
    
    userLabels - Label of left users.
  - userCount
```
void userCount(int userCount)
```
    Sent from the server to provide current user count in chatroom. This method is invoked periodically and when user count changes.
    
    Parameters:
    
    userCount - Current user count in chatroom.
  - onChatWriteModeChanged
```
void onChatWriteModeChanged(ChatMode chatMode)
```
    Called when the ChatMode of current chatroom changed.
    
    Parameters:
    
    chatMode - New ChatMode.
  - onInputIntervalChanged
```
void onInputIntervalChanged(int inputInterval)
```
    Called when the message-send interval of current chatroom changed.
    
    Parameters:
    
    inputInterval - New message-send interval.
  - onPinnedMessageUpdated
```
void onPinnedMessageUpdated(@Nullable
                            Message pinnedMessage)
```
    Called when the pinned message is updated or unpinned.
    
    Parameters:
    
    pinnedMessage - the pinned message, will be null if it is unpinned
    
    See Also:
    
    ChatroomManager.pinMessage(Message), ChatroomManager.unpinMessage(), ChatroomManager.getPinnedMessage()
  - onMetadataUpdated
```
void onMetadataUpdated(androidx.collection.SimpleArrayMap<String,ChatMetadata> map)
```
    Called when ChatMetadata are updated. See Chat Metadata.
    
    Parameters:
    
    map - the updated meta data.
    
    See Also:
    
    ChatroomManager.setMetadata(String, Object, boolean), ChatMetadata

Interface EventListener

Method Summary

Method Detail

onConnected

onConnectFailed

onError

onDisconnected

onMessageAdded

onMessageRemoved

onMessageFlushed

onAggregatedDataAdded

onRawDataAdded

onUserJoined

onUserUpdated

onUserLeft

userCount

onChatWriteModeChanged

onInputIntervalChanged

onPinnedMessageUpdated

onMetadataUpdated