How can I get the days date between start date and end date (day may be 2 or 3 days) android -


i developing program in android , user can order track , user have option choose scheduled order contract

daily, thrice weekly , twice weekly , weekly.

now if user chooses thrice weekly example , need get

1 : order start date , end date (from date date) user

2 : 3 day's in week track (example monday , tuesday , friday ) user

3 : program should know date's each (monday example) every week until end date. , program

i/o example

input :

frq = thrice weekly

from = 2017/01/01

to = 2017/02/01

day's = monday , tuesday , friday

output :

1st trap : 2017/01/01 << let monday

2nd trap : 2017/01/02 << tuesday

3rd trap : 2017/01/05 << friday

4th trap : 2017/01/08 << monday

and on until end date

the order system more complex if find out how sure solve other problem , have think of many ways nothing lead me end , hope guys can me , @ least idea.


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