import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
 
public class Main {
    
    static final int THREADS_NUMBER = 5;
    
    public static void main(String[] args) {
        final CyclicBarrier barrier = new CyclicBarrier(THREADS_NUMBER, 
                new Runnable() {
                    @Override
                    public void run()

public static String getNetworkType(Context context) {
        NetworkInfo networkInfo;
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        networkInfo = connectivityManager.getActiveNetworkInfo();
        if (networkInfo != null && networkInfo.isConnected()) {
            String type = networkInfo.getTypeName();
            if (type.toLowerCase().equals(WIFI)) {
                return TYPE_WIFI;
            } else

private Handler handler = new Handler();
private Runnable runnable = new Runnable() {
   @Override
   public void run() {
      foobar();
      handler.postDelayed(this, 60000);
   }
};

protected void onResume() {
    super.onResume();
    handler.postDelayed(runnable, 60000);
}

protected void onPause() {
    super.onPause();
    handler.removeCallbacks(runnable);
}