ChannelStateListener (Ably documentation)

All Known Implementing Classes:

ChannelStateListener.Filter, ChannelStateListener.Multicaster
```
public interface ChannelStateListener
```
An interface whereby a client may be notified of state changes for a channel.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static class`	`ChannelStateListener.ChannelStateChange`	Contains state change information emitted by `Channel` objects.
`static class`	`ChannelStateListener.Filter`
`static class`	`ChannelStateListener.Multicaster`

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onChannelStateChanged(ChannelStateListener.ChannelStateChange stateChange)`	Called when channel state changes.

- Method Detail
  - onChannelStateChanged
```
void onChannelStateChanged(ChannelStateListener.ChannelStateChange stateChange)
```
    Called when channel state changes.
    
    Parameters:
    
    stateChange - information about the new state. Check ChannelState - for all states available.