update.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(android.view.View v) {
                    setting set = new setting(group1, group2, group3);
                    if(db.checkSetting()){
                        db.updateSetting(set);
                    }
                    else {
                        boolean result = db.addSetting(set.getLevel(), set.getDuration(), set.getDays());
                        if (result = true) {
                            Toast.makeText(getActivity(), getContext().getString(R.string.saved), Toast.LENGTH_LONG).show();
                            setting s = db.getSetting();
                            Log.d("ADDED ", s.toString());
                        }
                    }
                }
            });