Create a new Mainstack, name it ReminderFunctions, and save the stack.

Add two fields and two new buttons.

Name one field dateinseconds and the other timeinseconds.

Name the buttons as Pick Date and Pick Time.

Set the script of the Pick Date button to this:

on mouseUp
  mobilePickDate date
  put the result into tDate
  convert tDate to seconds
  put tDate into field "dateinseconds"
end mouseUp

Set the Pick Time button script to this:

on mouseUp
  mobilePickDate "time"
  put the result into tTime
  convert tTime to seconds
  put tTime into field timeinseconds
end mouseUp

Set the Standalone Application Settings so that you can test on iOS or Android.

Choose your Test Target (in the following steps, you can see that the iPhone simulator was chosen in this case) and do a Test.

Click on the Pick Date button.

Select December 25th, 2012 and click on Done.

The number of...