public static FriendsOnlineFragment getInstance(@Nullable String userId) {
    Bundle arguments = new Bundle();
    arguments.putString(ARG_DESTINATION_USER_ID, userId);

    FriendsOnlineFragment fragment = new FriendsOnlineFragment();
    fragment.setArguments(arguments);

    return fragment;
}

@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mUserId = getArguments().getString(ARG_DESTINATION_USER_ID);
}

@Override
    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
        super.onViewCreated(view, savedInstanceState);


        //bind views
        ButterKnife.bind(this, view);

        //bind tabLayout with viewPager
        tabLayout.setupWithViewPager(viewPager);

        //init tab items
        ArrayList<TabContent> tabItems = new ArrayList<>();
        TabContent onlineFragment = new TabContent(FriendsOnlineFragment.getInstance(mOtherUserId), null, null, null, getString(R.string.tab_friends_online_text_content));
        TabContent allFragment = new TabContent(FriendsAllFragment.getInstance(mOtherUserId), null, null, null, getString(R.string.tab_friends_all_text_content));
        TabContent requestFragment = new TabContent( FriendsCommonFragment.getInstance(mDeviceUserId,mOtherUserId),null, null, null, getString(R.string.tab_friends_common_text_content));

        //put tab items to list
        tabItems.add(onlineFragment);
        tabItems.add(allFragment);
        tabItems.add(requestFragment);


        //init and set adapter
        adapter = new FriendViewPagerAdapter(getChildFragmentManager(), null);
        viewPager.setAdapter(adapter);
        adapter.setFragments(tabItems);
    }

TabContent onlineFragment = new TabContent(FriendsOnlineFragment.getInstance(mOtherUserId), null, null, null, getString(R.string.tab_friends_online_text_content));
TabContent allFragment = new TabContent(FriendsAllFragment.getInstance(mOtherUserId), null, null, null, getString(R.string.tab_friends_all_text_content));
TabContent requestFragment = new TabContent( FriendsCommonFragment.getInstance(mDeviceUserId,mOtherUserId),null, null, null, getString(R.string.tab_friends_common_text_content));