public class FragmentA extends Fragment {
}
public class FragmentB extends Fragment {
}
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
FragmentA fragmentA = new FragmentA();
FragmentB fragmentB = new FragmentB();
fragmentTransaction.add(R.id.fragment_container, fragmentA);
fragmentTransaction.add(R.id.fragment_container, fragmentB);
fragmentTransaction.commit();
}
}
<FrameLayout
android:id="@+id/fragment_container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
