tablayout +viewpager

compile 'com.android.support:design:26.+'

public class Fragment_huodong extends Fragment {    @BindView(R.id.tab_layout)    TabLayout tabLayout;    @BindView(R.id.view_pager)    ViewPager viewPager;    Unbinder unbinder;    @BindView(R.id.text_diwei)    TextView textDiwei;    private ArrayList<Fragment> list_fragment;    private ArrayList<String> list_title;    private MyPagerAdapter adapter;    private View view;    private static final int REQUEST_CODE_PICK_CITY = 0;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        view = inflater.inflate(R.layout.fragment_huodong, null);        return view;    }    @Override    public void onActivityCreated(@Nullable Bundle savedInstanceState) {        super.onActivityCreated(savedInstanceState);        unbinder = ButterKnife.bind(this, view);        Fragment_v1 fragment_v1 = new Fragment_v1();        Fragment_v2 fragment_v2 = new Fragment_v2();        Fragment_v3 fragment_v3 = new Fragment_v3();        Fragment_v4 fragment_v4 = new Fragment_v4();        Fragment_v5 fragment_v5 = new Fragment_v5();        Fragment_v6 fragment_v6 = new Fragment_v6();        list_fragment = new ArrayList<>();        list_fragment.add(fragment_v1);        list_fragment.add(fragment_v2);        list_fragment.add(fragment_v3);        list_fragment.add(fragment_v4);        list_fragment.add(fragment_v5);        list_fragment.add(fragment_v6);        list_title = new ArrayList<>();        list_title.add("全部全部");        list_title.add("综艺娱乐");        list_title.add("财经访谈");        list_title.add("文化旅游");        list_title.add("时尚体育");        list_title.add("青年科教");        tabLayout.setupWithViewPager(viewPager);        viewPager.setOffscreenPageLimit(list_fragment.size());        adapter = new MyPagerAdapter(getChildFragmentManager(), list_fragment, list_title);        viewPager.setAdapter(adapter);    }    @Override    public void onDestroyView() {        super.onDestroyView();        unbinder.unbind();    }    @OnClick(R.id.text_diwei)    public void onViewClicked() {//        Intent intent = new Intent(getActivity(),DiWeiActivity.class);////        startActivity(intent);        startActivityForResult(new Intent(getActivity(), CityPickerActivity.class),                REQUEST_CODE_PICK_CITY);    }    @Override    public void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if (requestCode == REQUEST_CODE_PICK_CITY && resultCode == getActivity().RESULT_OK) {            if (data != null) {                String city = data.getStringExtra(CityPickerActivity.KEY_PICKED_CITY);                textDiwei.setText(city);            }        }        //    @Override//    public void onActivityResult(int requestCode, int resultCode, Intent data) {//        if (requestCode == REQUEST_CODE_PICK_CITY && resultCode == RESULT_OK){//            if (data != null){//                String city = data.getStringExtra(CityPickerActivity.KEY_PICKED_CITY);//                textDiwei.setText("当前选择：" + city);//            }//        }//    }    }}

public class MyPagerAdapter extends FragmentPagerAdapter {    private List<Fragment> list_fragment;                         //fragment列表    private List<String> list_Title;    public MyPagerAdapter(FragmentManager fm, ArrayList<Fragment> list_fragment, ArrayList<String> list_Title) {        super(fm);        this.list_fragment = list_fragment;        this.list_Title = list_Title;    }    @Override    public Fragment getItem(int position) {        return list_fragment.get(position);    }    @Override    public int getCount() {        return list_Title.size();    }    @Override    public CharSequence getPageTitle(int position) {        return list_Title.get(position);//页卡标题    }}

<android.support.design.widget.TabLayout    android:layout_width="match_parent"    android:layout_height="60dp"    android:id="@+id/tab_layout"    app:tabGravity="center"    app:tabMode="scrollable"    app:tabIndicatorColor="#ff0000"    app:tabTextColor="#999999"    app:tabSelectedTextColor="#ff0000"    /><android.support.v4.view.ViewPager    android:id="@+id/view_pager"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:scaleType="fitXY"/>