Android：将日期和时间的值组合成一个值

I have an application where the user selects a date as well as a time (using DatePicker and TimePicker). Is there any way to combine all the values into one integer? Both the DatePicker and TimePicker return integers, if I add them up, will the value then be the selected date and time, or does it need to be done some other way?I have an application where the user selects a