Don't Keep Activities + android phone number selection -

i have activity opening phone number selector using startactivityforresult, working fine in normal case.

when don't keep activities option enabled , selecting phone number , pressing back. activity not getting selected phone number.

after debugging of code, found activity call startactivityforresult() destroyed when move phone number selector, , when coming same, new activity created doesn't know result handled.

need resolve problem.

this expected when enable don't keep activities system kill activity goes background.