Setting time and date to date picker and time picker in android

Question

I am using a date picker and time picker in my application. I want to set the date and time when the page loads. Is this possible? How so?

Answer 1

Using JodaTime

JodaTime is an extremely popular and useful library for handling dates and times in Java. If you're not using it, I highly recommend taking a look at it.

Here's a simple example of how I set a DatePicker and TimePicker from a DateTime object, which could be the current date or any date from the past or future (the attribute in this case is called inspected_at):

DatePicker datePicker = (DatePicker) findViewById(R.id.inspected_at_date);
TimePicker timePicker = (TimePicker) findViewById(R.id.inspected_at_time);

DateTime inspected_at = DateTime.now()                // Typically pulled from DB.

int year    = inspected_at.getYear() ;
int month   = inspected_at.getMonthOfYear() - 1;      // Need to subtract 1 here.
int day     = inspected_at.getDayOfMonth();  
int hour    = inspected_at.getHourOfDay();
int minutes = inspected_at.getMinuteOfHour();

datePicker.updateDate(year, month, day);              // Set date.

timePicker.setCurrentHour(hour);                      // Set time.
timePicker.setCurrentMinute(minutes);

Hope that helps.

JP