TabLayout+ViewPager的基本使用_tablayout v-优快云博客

本文链接：https://blog.youkuaiyun.com/yangchao00xiao/article/details/78312162

本文介绍了一个使用TabLayout和ViewPager实现页面切换的例子，通过FragmentPagerAdapter将多个Fragment与TabLayout绑定，实现了动态设置Tab标题的功能。

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final List<String> list=new ArrayList<>();
list.add("推荐");
list.add("课程");
list.add("实战");
list.add("职业路径");
vp.setOffscreenPageLimit(list.size());
vp.setAdapter(new FragmentPagerAdapter(getChildFragmentManager()) {
    @Override
    public CharSequence getPageTitle(int position) {
        return list.get(position);
    }

    @Override
    public Fragment getItem(int position) {
        FragmentXianq fragmentXianq = new FragmentXianq();
        Bundle bundle=new Bundle();
        bundle.putString("name",list.get(position));
        fragmentXianq.setArguments(bundle);
        return fragmentXianq;
    }

    @Override
    public int getCount() {
        return list.size();
    }
});
tab.setupWithViewPager(vp);
//xml如果在fragment当中的时候还得再在根布局中加xmlns:app="http://schemas.android.com/apk/res-auto"
<android.support.design.widget.TabLayout
    android:id="@+id/tab"
    app:tabGravity="center"
    app:tabIndicatorColor="@color/colorAccent"
    app:tabMode="scrollable"
    app:tabSelectedTextColor="@color/colorPrimaryDark"
    app:tabTextColor="@color/colorPrimary"
    android:layout_width="match_parent"

    android:layout_height="0dp"
    android:layout_weight="1"></android.support.design.widget.TabLayout>
<android.support.v4.view.ViewPager
    android:id="@+id/vp"
    android:layout_width="match_parent"
    android:layout_height="0dp"
    android:layout_weight="9"></android.support.v4.view.ViewPager>