private void notifyNetworkConnectivityChange(){
synchronized (mConnectivityMonitor) {
    Log.v(LOG_TAG,"notify network connectivity changed");
    mConnectivityMonitor.notifyAll();
  }
}

private void notifyNetworkConnectivityChange ( ) { synchronized ( mConnectivityMonitor ) { Log . v ( LOG_TAG , "notify network connectivity changed" ) ; mConnectivityMonitor . notifyAll ( ) ; } }
send a notification via the mconnectivitymonitor when the network connectivity changes .
