- addChatStateListener
Register a ChatStateListener. That listener will be informed about changed chat
states.
- getInstance
Returns the ChatStateManager related to the XMPPConnection and it will create
one if it does not yet
- <init>
Private constructor to create a new ChatStateManager. This adds
ChatMessageListeners as interceptors
- connection
- removeChatStateListener
Unregister a ChatStateListener.
- setCurrentState
Sets the current state of the provided chat. This method will send an empty
bodied Message stanza wi