Viewpager中的Tablayout

时间:2017-02-28 20:53:05

标签: android android-viewpager android-tablayout

我需要在TabLayout中放置ViewPagerViewPager包含一些片段。我不能这样做,因为TabLayout位于我的Activity中,如果它位于Fragment,我就无法管理它。 现在我的代码看起来像这样。在Activity的XML中:

 <LinearLayout
     ...>
        <android.support.v4.view.ViewPager
            ...>
         </android.support.v4.view.ViewPager>
         <android.support.design.widget.TabLayout
            .../>
 </LinearLayout>

并在Activity

ViewPager mViewPager = (ViewPager) findViewById(R.id.view_pager_offer_detail);
TabLayout tabLayout = (TabLayout) findViewById(R.id.tabDots);
tabLayout.setupWithViewPager(mViewPager, true);
FragmentPagerAdapter mPagerAdapter = new FragmentPagerAdapter(...);
mViewPager.setAdapter(mPagerAdapter);

我需要得到如下所示。

what i want(imgur现在不起作用)

哪个版本是正确的以及如何在XML中实现它?

1 个答案:

答案 0 :(得分:0)

如果我理解,您想在tabs权限内显示一些FragmentsViewPager)吗?

您可以在片段中遵循此实现:

 @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View inflatedView = inflater.inflate(R.layout.fragment_tablayout, container, false);

        TabLayout tabLayout = (TabLayout) inflatedView.findViewById(R.id.tabLayout);
        tabLayout.addTab(tabLayout.newTab().setText("Campusplan"));
        tabLayout.addTab(tabLayout.newTab().setText("Raumplan"));
        final ViewPager viewPager = (ViewPager) inflatedView.findViewById(R.id.viewpager);

        viewPager.setAdapter(new PagerAdapter
                (getFragmentManager(), tabLayout.getTabCount()));
        viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
        tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
            @Override
            public void onTabSelected(TabLayout.Tab tab) {
                viewPager.setCurrentItem(tab.getPosition());
            }

            @Override
            public void onTabUnselected(TabLayout.Tab tab) {

            }

            @Override
            public void onTabReselected(TabLayout.Tab tab) {

            }
        });

        return inflatedView;
    }

    public class PagerAdapter extends FragmentStatePagerAdapter {
        int mNumOfTabs;

        public PagerAdapter(FragmentManager fm, int NumOfTabs) {
            super(fm);
            this.mNumOfTabs = NumOfTabs;
        }

        @Override
        public Fragment getItem(int position) {

            switch (position) {
                case 0:
                    TabItem1 tab1 = new TabItem1();
                    return tab1;
                case 1:
                    TabItem1 tab2 = new TabItem1();
                    return tab2;
                default:
                    return null;
            }
        }

        @Override
        public int getCount() {
            return mNumOfTabs;
        }
    }
}

将tablayout和viewpager放在layout.xml中,代表您的片段,就像使用普通视图一样。