Android View Pager set Page within Fragment -

Android View Pager set Page within Fragment -

i want build viewpager 2 pages. on first page can take category. when list item selected screen swipes sec page , can take subcategories.

i implemented clicklistener , on. have no thought how set current page within fragment. possible? or have solution me? hope understand want achieve.

use ((activityname)getactivity()).getviewpager().setcurrentitem(position);

note: getviewpager() should homecoming viewpager instance

android android-viewpager