public void Stop()
{
if (broadcastReceiver == null)
{
throw new InvalidOperationException("Network status monitoring not active.");
}
// Unregister the receiver so we no longer get updates.
Application.Context.UnregisterReceiver(broadcastReceiver);
// Set the variable to nil, so that we know the receiver is no longer used.
broadcastReceiver.ConnectionStatusChanged -= OnNetworkStatusChanged;
broadcastReceiver = null;
}
public void Start()
{
if (broadcastReceiver != null)
{
throw new InvalidOperationException(
"Network status monitoring already active.");
}
// Create the broadcast receiver and bind the event handler
// so that the app gets updates of the network connectivity status
broadcastReceiver = new NetworkStatusBroadcastReceiver();
broadcastReceiver.ConnectionStatusChanged += OnNetworkStatusChanged;
// Register the broadcast receiver
Application.Context.RegisterReceiver(broadcastReceiver,
new IntentFilter(ConnectivityManager.ConnectivityAction));
}