<android.support.v4.view.ViewPager
android:id="@+id/viewPager"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
public class MyPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> fragments = new ArrayList<>();
public MyPagerAdapter(FragmentManager fm) {
super(fm);
}
public void addFragment(Fragment fragment) {
fragments.add(fragment);
}
@Override
public Fragment getItem(int position) {
return fragments.get(position);
}
@Override
public int getCount() {
return fragments.size();
}
}
ViewPager viewPager = findViewById(R.id.viewPager);
MyPagerAdapter adapter = new MyPagerAdapter(getSupportFragmentManager());
adapter.addFragment(new MyFragment1());
adapter.addFragment(new MyFragment2());
viewPager.setAdapter(adapter);
