mon_day_1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                       //Thread thread_mon = new Thread(runn);
                       //thread_mon.start();
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        try{
                            get_mon_day_1_hour = mon_day_1_hour.getText().toString();
                            WeekProgram wpg =  HeatingSystem.getWeekProgram();
                           // boolean switch_1 = Switch.isValidTimeSyntax(get_mon_day_1_hour);
                            //wpg.setDefault();
                            wpg.data.get("Monday").set(9, new Switch("day", true, get_mon_day_1_hour));
                            HeatingSystem.setWeekProgram(wpg);


                        } catch (Exception e) {
                            final AlertDialog.Builder builder = new AlertDialog.Builder(context);
                            builder.setTitle("Warning");
                            builder.setMessage("You have entered a wrong format or a duplicate").setPositiveButton("OK", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                    mon_day_1.setChecked(false);
                                    builder.setCancelable(true);

                                }
                            });
                            AlertDialog alert = builder.create();
                            alert.show();


                        }

                    }
                });


            }
        });