如何在froid中创建新的ViewPager

implementation 'androidx.viewpager2:viewpager2:1.0.0'

<androidx.viewpager2.widget.ViewPager2
    android:id="@+id/viewPager"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

ViewPager2 viewPager = view.findViewById(R.id.viewPager);
MyPagerAdapter adapter = new MyPagerAdapter(getChildFragmentManager());
viewPager.setAdapter(adapter);

public class MyPagerAdapter extends FragmentStateAdapter {
    private static final int NUM_PAGES = 3;

    public MyPagerAdapter(FragmentManager fragmentManager) {
        super(fragmentManager, getLifecycle());
    }

    @NonNull
    @Override
    public Fragment createFragment(int position) {
        // 根据位置返回对应的Fragment实例
        switch (position) {
            case 0:
                return new Fragment1();
            case 1:
                return new Fragment2();
            case 2:
                return new Fragment3();
            default:
                return null;
        }
    }

    @Override
    public int getItemCount() {
        return NUM_PAGES;
    }
}