NetworkReachabilityManager (Couchbase Lite 2.0.0-231)

```
public abstract class NetworkReachabilityManager
extends Object
```
This uses system api (on Android, uses the Context) to listen for network reachability change events and notifies all NetworkReachabilityListeners that have registered themselves. (an example of a NetworkReachabilityListeners is a Replicator that wants to pause when it's been detected that the network is not reachable)

Constructors
Constructor and Description
`NetworkReachabilityManager()`

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addNetworkReachabilityListener(NetworkReachabilityListener listener)` Add Network Reachability Listener
`protected void`	`notifyListenersNetworkReachable()` Notify listeners that the network is now reachable
`protected void`	`notifyListenersNetworkUneachable()` Notify listeners that the network is now unreachable
`void`	`removeNetworkReachabilityListener(NetworkReachabilityListener listener)` Remove Network Reachability Listener
`protected abstract void`	`startListening()` This method starts listening for network connectivity state changes.
`protected abstract void`	`stopListening()` This method stops this class from listening for network changes.

Class NetworkReachabilityManager