Android Question Starting a service every 15 minutes.

'TIME TO NEXT 15 minutes slot
Sub TimeToNext15 As Long
   Dim minutes As Int = DateTime.GetMinute(DateTime.Now)  'ex. 09:12 --> 12
   Dim gap As Int
   gap = 15 - (minutes Mod 15)
   Return DateTime.Now + gap * DateTime.TicksPerMinute
End Sub
....
Log(DateTime.Time(TimeToNext15))  'ex. 09:15

'TIME TO NEXT 15 minutes slot
Sub TimeToNextMinute(TimeNow As Long) As Long
   Dim minutes As Int = DateTime.GetMinute(TimeNow)  'ex. 09:12 --> 12
   Dim gap As Int
   gap = 15 - (minutes Mod 15)
   Return TimeNow + gap * DateTime.TicksPerMinute
End Sub

'call as
Log(DateTime.Time(TimeToNextMinute(DateTime.TimeParse("09:12:00"))))  'use the right time format set for your device