networkconnectivity.java

PnNetworkMonitor.java

public class PnNetworkMonitor {


    private static PnNetworkMonitor instance;

    private ConnectivityManager mConnectivityManager;
    private Context mContext;

    private final ConnectivityManager.NetworkCallback networkCallback = new ConnectivityManager.NetworkCallback(){

        @Override
        public void onLost(Network network) {

            Log.d(Constants.LOGT, "network has been lost");
            Intent connectionIntent = new Intent();
            connectionIntent.setAction("com.pubnub.android.examples.connectivity.ConnectionLost");
            connectionIntent.putExtra(Constants.NETWORK_CONNECTION_UPDATES, "ConnectionLost");
            mContext.sendBroadcast(connectionIntent);
        }

        @Override
        public void onAvailable(Network network) {
            super.onAvailable(network);
            Intent connectionIntent = new Intent(Constants.NETWORK_CONNECTION_UPDATES);
            connectionIntent.putExtra(Constants.NETWORK_CONNECTION_UPDATES, "ConnectionAvailable");
            mContext.sendBroadcast(connectionIntent);


        }

        @Override
        public void onLinkPropertiesChanged(Network network, LinkProperties linkProperties) {
            Log.d(Constants.LOGT, "network link changed");
            Log.d(Constants.LOGT, network.toString());
            Intent connectionIntent = new Intent(Constants.NETWORK_CONNECTION_UPDATES);
            connectionIntent.putExtra(Constants.NETWORK_CONNECTION_UPDATES, "ConnectionAvailable");
            mContext.sendBroadcast(connectionIntent);

        }
    };

    private PnNetworkMonitor(Context context) {
        this.mContext = context;
        this.mConnectivityManager = (ConnectivityManager)mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
        this.mConnectivityManager.registerNetworkCallback(new NetworkRequest.Builder().build(), networkCallback);
    }

    public static PnNetworkMonitor getInstance(Context context) {

        if(instance == null) {
            Log.d(Constants.LOGT, "creating monitor instance");
            instance = new PnNetworkMonitor(context);
        }

        return instance;
    }


    public void start(){
        Log.d(Constants.LOGT, "starting monitor");
    }