android - actionbar's upNavigation from activity to fragment -


i have jump activity fragment2 in activity b(in activityb, use viewpager,which contains 4 fragment).what want when use upnavigation of actionbar ,i jump exact second fragment.

can me?(i have searched related questions ,but seems navigate in/between fragments,which not want.)

use , detect onclick 

viewpager.setcurrentitem(pagenumber);

above line navigate page


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