android - FragmentStatePagerAdapter doesn't call its fragments -

android - FragmentStatePagerAdapter doesn't call its fragments -

i have fragmentstatepageradapter in fragment pager. within pager have 2 fragments switch between them. happening when first come fragment done correctly, when go , homecoming there 1 time again on base of operations fragment called oncreate, oncreateview , on, on fragments in pager not called anything, getitem on adapter not called , pager view blank. on fragments have setretaininstance(true) needed due rotation behaviour handling. can help me guys that?

android fragment pager