如图顶部是一个TabLayout,外层嵌套了HorizontalScrollView,底部是ViewPager.怎样可以滑动底部ViewPager的时候顶部TabLayout跟着滑动并且可见呢?现在是滑动ViewPager顶部Tablayout可以选中相应的,但是不会跟着滑动显示.
代码:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<include
android:id="@+id/toolbar"
layout="@layout/layout_title_bar_home" />
<HorizontalScrollView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scrollbars="none">
<android.support.design.widget.TabLayout
android:id="@+id/tl_game"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</android.support.design.widget.TabLayout>
</HorizontalScrollView>
<android.support.v4.view.ViewPager
android:id="@+id/vp_game"
android:layout_width="match_parent"
android:layout_height="match_parent">
</android.support.v4.view.ViewPager>
</LinearLayout>
类:
public class GameFragment extends LazyFragment implements ViewPager.OnPageChangeListener {
@BindView(R.id.tl_game)
TabLayout mTabLayout;
@BindView(R.id.vp_game)
ViewPager mViewPager;
private static final String TAG = "GameFragment";
private static final String[] titles = {"2018LOL春季赛", "第六届全国高校联赛", "2018季中冠军赛", "2018LOL春季赛", "第六届全国高校联赛", "2018季中冠军赛", "2018LOL春季赛", "第六届全国高校联赛", "2018季中冠军赛", "2018LOL春季赛", "第六届全国高校联赛", "2018季中冠军赛"};
private List<FragmentPage> mPageList = new ArrayList<>();
@Override
public int contentViewId() {
return R.layout.fragment_game;
}
@Override
public void initView(Bundle savedInstanceState, View view) {
setCenterTitle("比赛");
initData();
}
private void initData() {
//动态添加ViewPager
for (int i = 0; i < titles.length; i++) {
SpringGameFragment fragmentOne = new SpringGameFragment();
FragmentPage onePage = new FragmentPage(fragmentOne, titles[i]);
mPageList.add(onePage);
}
BaseFragmentPagerAdapter adapter = new BaseFragmentPagerAdapter(getChildFragmentManager(), mPageList);
mViewPager.setAdapter(adapter);
mTabLayout.setupWithViewPager(mViewPager);
}
@Override
public void initEvent() {
mViewPager.addOnPageChangeListener(this);
}
@Override
protected void onLazyLoad() {
}
@Override
public void onPageSelected(int position) {
Log.d(TAG, "onPageSelected: " + position);
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
// Log.d(TAG, "onPageScrolled: "+position);
}
@Override
public void onPageScrollStateChanged(int state) {
// Log.d(TAG, "onPageScrollStateChanged: "+state);
}
}
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