private int backStackEntries = 0;

    public void onBackPressed() {
    Log.d(TAG,"Number of fragments in back: "+backStackEntries);

    NewsListFragment fragment = (NewsListFragment) getSupportFragmentManager().findFragmentByTag(currentFrag);

    backStackEntries-=1;
    if(backStackEntries<0)
        backStackEntries = 0;

    if(fragment.getTag().equals(News_TAG[0])){
        if(fragment.getParserMaker().isRunning()){
            moveTaskToBack(true);
        }
        else{
            finish();
        }
    }
    else{
        currentFrag = getSupportFragmentManager().getBackStackEntryAt(backStackEntries).getName();
        getSupportFragmentManager().beginTransaction()
                .hide(fragment)
                .show(getSupportFragmentManager().findFragmentByTag(currentFrag))
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .commit();
    }
}

private void makeFragmentTransaction(String[] urls, int item,String _TAG) {
    Bundle bundle = new Bundle();
    bundle.putStringArray("urls", urls);

    NewsListFragment newsFragment = (NewsListFragment) getSupportFragmentManager().findFragmentByTag(_TAG);
    if(newsFragment == null){
        newsFragment = new NewsListFragment();
    }
    newsFragment.setArguments(bundle);

    if(currentFrag == null){
        getSupportFragmentManager().beginTransaction()
                .replace(R.id.container, newsFragment, _TAG)
                .addToBackStack(_TAG)
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .commit();
        currentFrag = _TAG;
    }

    else if(!newsFragment.isAdded()){
        getSupportFragmentManager().beginTransaction()
                .hide(getSupportFragmentManager().findFragmentByTag(currentFrag))
                .add(R.id.container,newsFragment,_TAG)
                .addToBackStack(_TAG)
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .commit();
        currentFrag = _TAG;
        backStackEntries+=1;
    }
    else if(!currentFrag.equals(_TAG)){
        getSupportFragmentManager().beginTransaction()
                .hide(getSupportFragmentManager().findFragmentByTag(currentFrag))
                .show(newsFragment)
                .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
                .commit();
        backStackEntries+=1;
        currentFrag = _TAG;

    }

    navigationView.setCheckedItem(item);
    drawerLayout.closeDrawers();
}

getSupportFragmentManager().beginTransaction()
            .replace(R.id.container, newsFragment, _TAG)
            .addToBackStack(_TAG)
            .setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN)
            .commit();
    currentFrag = _TAG;

NewsListFragment fragment = (NewsListFragment) getSupportFragmentManager().findFragmentByTag(currentFrag);
if (getSupportFragmentManager().getBackStackEntryCount() > 1) {
        getSupportFragmentManager().popBackStack();
    } else {
        if (fragment.getParserMaker().isRunning()) {
            moveTaskToBack(true);
        } else {
            finish();
        }
    }