OnSubscriptionManagerStateChangeListener (apollo-runtime 2.5.6 API)

```
public interface OnSubscriptionManagerStateChangeListener
```
Represents a callback for subscription manager state changes.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onStateChange(SubscriptionManagerState fromState, SubscriptionManagerState toState)`	Called when subscription manager state changed.

- Method Detail
  - onStateChange
```
void onStateChange(SubscriptionManagerState fromState,
                   SubscriptionManagerState toState)
```
    Called when subscription manager state changed.
    
    Parameters:
    
    fromState - previous subscription manager state
    
    toState - new subscription manager state