Android中TabLayout+ViewPager实现tab和页面联动效果

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public class MainActivity extends AppCompatActivity {

  private TabLayout toolbar_tl_tab;
  private ViewPager vp_container;
  private String[] titles = {"标题1", "标题2", "标题3", "标题4"};

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    init();
  }

  private void init() {
    toolbar_tl_tab = (TabLayout) findViewById(R.id.toolbar_tl_tab);
    vp_cOntainer= (ViewPager) findViewById(R.id.vp_container);
    toolbar_tl_tab.setupWithViewPager(vp_container);
    toolbar_tl_tab.setTabMode(TabLayout.MODE_SCROLLABLE);
    vp_container.setAdapter(new FragmentStatePagerAdapter(getSupportFragmentManager()) {
      @Override
      public Fragment getItem(int position) {
        return new PageFragment();
      }

      @Override
      public CharSequence getPageTitle(int position) {
        return titles[position];
      }

      @Override
      public int getCount() {
        return titles.length;
      }
    });
  }

}

public class PageFragment extends Fragment {
  @Nullable
  @Override
  public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_page, null);
    return view;
  }
}

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toolbar_tl_tab.setTabMode(TabLayout.MODE_SCROLLABLE);

toolbar_tl_tab.setTabMode(TabLayout.MODE_FIXED);