try {

                titleTextView = (TextView) toolbar.findViewById(R.id.toolbar);
                if (!getToolBarTitle().equals("FOOD")) {
                    titleTextView.setText(getToolBarTitle());
                     counter.cancel();
                    App_Constants.timeflag=false;

                    Log.w("timer time",""+millisUntilFinishedVariable);
                } else {

                    //timerDialog();
                    if ( App_Constants.timeflag== false) {
                        counter = new MyCount(360000, 1000);//360000
                        counter.start();
                    } else {
                        counter.cancel();
                        counter = new MyCount(millisUntilFinishedVariable, 1000);
                        counter.start();
                    }
                }
            } catch (Exception e) {
                e.printStackTrace();
            }



public class MyCount extends CountDownTimer {

        public MyCount(long millisInFuture, long countDownInterval) {
            super(millisInFuture, countDownInterval);
        }

        @Override
        public void onFinish() {
            Log.w("timer flag", "" + App_Constants.timeflag);
            if(App_Constants.tmf) {
                titleTextView.setText("Time out");

                final Dialog dialog = new Dialog(getMyActivityContext());
                dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
                Window window = dialog.getWindow();
                dialog.setContentView(R.layout.popupdialog);
                window.setGravity(Gravity.CENTER);
                window.setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.WRAP_CONTENT);
                dialog.getWindow().getAttributes().windowAnimations = R.style.PauseDialogAnimation;
                dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
                dialog.setCancelable(true);

                TextView textView = (TextView) dialog.findViewById(R.id.popup_text);
                textView.setTextColor(ContextCompat.getColor(getMyActivityContext(), R.color.colorAccent));
                TextView btnDismis = (TextView) dialog.findViewById(R.id.close);
                // textView.setGravity(Gravity.CENTER);
                textView.setText("Your session time out");
                dialog.setCanceledOnTouchOutside(false);
                dialog.show();
                btnDismis.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        finish();
                        dialog.dismiss();
                    }
                });//TextView object should be defined in onCreate*/
                App_Constants.timeflag = false;
            }else {
                counter.cancel();
            }
        }

        @Override
        public void onTick(long millisUntilFinished) {
            millisUntilFinishedVariable = millisUntilFinished;
            App_Constants.timeflag=true;
            String minsec = String.format("%02d:%02d", TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished), TimeUnit.MILLISECONDS.toSeconds(millisUntilFinished) - TimeUnit.MINUTES.toSeconds(TimeUnit.MILLISECONDS.toMinutes(millisUntilFinished)));

            titleTextView.setText(minsec + " MINS LEFT");// This will be called every Second.
        }
    }