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MainActivityには2つのボタンがあり、ボタンをクリックすると2つのフラグメントが同じページに表示されます.MacContactボタンをクリックすると表示されますが、PhoneContactボタンをクリックするともう一方を上書きします。私にとって重要なAndroidフラグメントはオーバーヘッドになります
MainActivity.java
public class MainActivity extends AppCompatActivity {
Button itsMeContact,phoneContact;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
itsMeContact= (Button) findViewById(R.id.its_me_contact);
phoneContact= (Button) findViewById(R.id.phone_contact);
itsMeContact.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FragmentManager manager = getFragmentManager();
UserFragment userFragment = new UserFragment();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.frame_layout, userFragment, "userFragment");
transaction.commit();
}
});
phoneContact.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FragmentManager manager = getFragmentManager();
FragmentB fragmentB = new FragmentB();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.frame_layout, fragmentB, "fragg");
transaction.commit();
}
});
}
}
UserFragment.java
public class UserFragment extends Fragment {
RecyclerView recyclerView ;
UserAdapter userAdapter ;
ArrayList<Person> arrayList ;
private LinearLayoutManager layoutManager;
Button itsMeContact,phoneContact;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
View view=inflater.inflate(R.layout.fragment_user,container,false);
recyclerView = view.findViewById(R.id.recycler_view);
itsMeContact= view.findViewById(R.id.its_me_contact);
layoutManager = new LinearLayoutManager(getActivity());
layoutManager.scrollToPosition(0);
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
recyclerView.setLayoutManager(layoutManager);
arrayList=new ArrayList<Person>();
initial();
return view;
}
private void initial() {
Factory.getInstance().user().enqueue(new Callback<List<User>>() {
@Override
public void onResponse(Call<List<User>> call, Response<List<User>> response) {
// textView.setText(response.body().get(0).name);
userAdapter= new UserAdapter(response.body(), getActivity());
recyclerView.setAdapter(userAdapter);
}
@Override
public void onFailure(Call<List<User>> call, Throwable t) {
}
});
}
}
FragmentB.java
public class FragmentB extends Fragment {
TextView textView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
View view=inflater.inflate(R.layout.fragment_fragment_b,container,false);
textView=view.findViewById(R.id.textView);
textView.setText("naber");
return view;
}
}
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ありがとうございましたマイアプリ： enter image description here
