implementation 'com.android.support:support-v4:28.0.0'
ViewPager viewPager = findViewById(R.id.viewPager);
PagerAdapter adapter = new MyPagerAdapter(getSupportFragmentManager());
viewPager.setAdapter(adapter);
public class FragmentA extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_a, container, false);
}
}
public class MyPagerAdapter extends FragmentPagerAdapter {
private List<Fragment> fragmentList = new ArrayList<>();
public MyPagerAdapter(FragmentManager fm) {
super(fm);
fragmentList.add(new FragmentA());
fragmentList.add(new FragmentB());
fragmentList.add(new FragmentC());
}
@Override
public int getCount() {
return fragmentList.size();
}
@Override
public Fragment getItem(int position) {
return fragmentList.get(position);
}
}
<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="match_parent" />
