MyNetworkConnectedReceiver .java

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;


public class MyNetworkConnectedReceiver extends BroadcastReceiver {
	private Context _context;

	@Override
	public void onReceive(Context context, Intent intent) {
		_context = context;

		ConnectivityManager connectivityManager = ((ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE));
		NetworkInfo currentNetworkInfo = connectivityManager.getActiveNetworkInfo();
		if (currentNetworkInfo != null && currentNetworkInfo.isConnected()) {
			//do something when network connected.
		}

	}

}