root.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {

            switch (event.getAction()){
                case MotionEvent.ACTION_DOWN: {
                    z1= event.getX();
                    y1= event.getY();


                    break;
                }
                case MotionEvent.ACTION_UP:{
                    z2= event.getX();
                    y2 = event.getY();

                    if(y1 < y2)
                        editNumberP.setVisibility(View.VISIBLE);

                    if(y1 > y2)
                        editNumberP.setVisibility(View.INVISIBLE);
                    break;
                }
            }

            return false;
        }
    });