ListView 어댑터가 작동하지 않습니다 (Quickblox 채팅 앱)

Question

MULTIPLE_CHOISE 인 사용자 목록을 만들고 어댑터 어댑터 작업을 완료하면 아무 것도 표시하지 않는다는 것을 알았습니다. 채팅 앱이 있습니다. Quickblox 클라우드 메시징 플랫폼을 기반으로하고 있으며이 부분에 정말 고심하고 있습니다. 누구든지 그에게 너무 많은

덕분에 3 큰 의미 < 나에게 도움이 코드를 읽기에 시간을두고있다.

This are activities that come after logging in

XML :

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    tools:context="com.aryojj.swagmessenger.ListUsersActivity"> 


    <ListView 
     android:id="@+id/list_Users" 
     android:layout_marginBottom="0dp" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent"> 

    </ListView> 


    <Button 
     android:layout_margin="10dp" 
     android:background="@drawable/btnbg" 
     android:id="@+id/btn_create_chat" 
     android:text="New Chat" 
     android:paddingEnd="10dp" 
     android:textAllCaps="true" 
     android:layout_alignParentRight="true" 
     android:layout_alignParentBottom="true" 
     android:layout_width="wrap_content" 
     android:drawableStart="@mipmap/ic_add" 
     android:layout_height="wrap_content" /> 

</RelativeLayout> 

ListUsersActivity.java :

package com.aryojj.swagmessenger; 

import android.app.ProgressDialog; 
import android.support.v7.app.AppCompatActivity; 
import android.os.Bundle; 
import android.util.Log; 
import android.util.SparseBooleanArray; 
import android.view.View; 
import android.widget.Button; 
import android.widget.ListView; 
import android.widget.Toast; 

import com.amulyakhare.textdrawable.TextDrawable; 
import com.aryojj.swagmessenger.Adapter.ListUsersAdapter; 
import com.aryojj.swagmessenger.Common.Common; 
import com.aryojj.swagmessenger.Holder.QBUsersHolder; 
import com.quickblox.chat.QBChatService; 
import com.quickblox.chat.QBRestChatService; 
import com.quickblox.chat.model.QBChatDialog; 
import com.quickblox.chat.model.QBDialogType; 
import com.quickblox.chat.utils.DialogUtils; 
import com.quickblox.core.QBEntityCallback; 
import com.quickblox.core.exception.QBResponseException; 
import com.quickblox.users.QBUsers; 
import com.quickblox.users.model.QBUser; 

import java.util.ArrayList; 

public class ListUsersActivity extends AppCompatActivity { 

    ListView lstUsers; 
    Button btnCreateChat; 



    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_list_users); 

     retrieveAllUser(); 

     lstUsers = (ListView)findViewById(R.id.list_Users); 
     lstUsers.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); 

     btnCreateChat = (Button)findViewById(R.id.btn_create_chat); 
     btnCreateChat.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 

       int countChoise = lstUsers.getCount(); 

       if (lstUsers.getCheckedItemPositions().size() == 1) 
        createPrivateChat(lstUsers.getCheckedItemPositions()); 
       else if (lstUsers.getCheckedItemPositions().size()>1) 
        createGroupChat(lstUsers.getCheckedItemPositions()); 
       else 
Toast.makeText(ListUsersActivity.this, 
"You should at least select 1 person to chat with!", 
Toast.LENGTH_SHORT).show(); 

      } 
     }); 
    } 

    private void createGroupChat(SparseBooleanArray checkedItemPositions) { 

     final ProgressDialog mDialog = 
new ProgressDialog(ListUsersActivity.this); 

     mDialog.setMessage("Loading..."); 
     mDialog.setCanceledOnTouchOutside(false); 
     mDialog.show(); 

     int countChoise = lstUsers.getCount(); 
     ArrayList<Integer> occupantIdsList = new ArrayList<>(); 
     for (int i=0;i<countChoise;i++) 
     { 
      if (checkedItemPositions.get(i)) 
      { 
       QBUser user = (QBUser)lstUsers.getItemAtPosition(i); 
       occupantIdsList.add(user.getId()); 
      } 
     } 

     QBChatDialog dialog = new QBChatDialog(); 
     dialog.setName(Common.createChatDialogName(occupantIdsList)); 
     dialog.setType(QBDialogType.GROUP); 
     dialog.setOccupantsIds(occupantIdsList); 

     QBRestChatService.createChatDialog(dialog).performAsync 
(new QBEntityCallback<QBChatDialog>() { 

      @Override 
      public void onSuccess 
(QBChatDialog qbChatDialog, Bundle bundle) { 

       mDialog.dismiss(); 
       Toast.makeText(getBaseContext(), 
"Successfully created new chat!",Toast.LENGTH_SHORT).show(); 

       finish(); 
      } 

      @Override 
      public void onError(QBResponseException e) { 
       Log.e("ERROR",e.getMessage()); 
      } 
     }); 
    } 

    private void createPrivateChat 
(SparseBooleanArray checkedItemPositions) { 


     final ProgressDialog mDialog = 
new ProgressDialog(ListUsersActivity.this); 

     mDialog.setMessage("Loading..."); 
     mDialog.setCanceledOnTouchOutside(false); 
     mDialog.show(); 

     int countChoise = lstUsers.getCount(); 
     for (int i=0;i<countChoise;i++) 
     { 
      if (checkedItemPositions.get(i)) 
      { 
       QBUser user = (QBUser)lstUsers.getItemAtPosition(i); 
       QBChatDialog dialog = 
DialogUtils.buildPrivateDialog(user.getId()); 


       QBRestChatService.createChatDialog(dialog).performAsync 
(new QBEntityCallback<QBChatDialog>() { 

        @Override 
        public void 
onSuccess(QBChatDialog qbChatDialog, Bundle bundle) { 

         mDialog.dismiss(); 
         Toast.makeText(getBaseContext(), 
"Successfully created new chat!",Toast.LENGTH_SHORT).show(); 

         finish(); 
        } 

        @Override 
        public void onError(QBResponseException e) { 
         Log.e("ERROR",e.getMessage()); 
        } 
       }); 
      } 
     } 
    } 


    private void retrieveAllUser() { 

    QBUsers.getUsers(null).performAsync 
(new QBEntityCallback<ArrayList<QBUser>>() { 

     @Override 
     public void onSuccess(ArrayList<QBUser> qbUsers, Bundle bundle) { 

      QBUsersHolder.getInstance().putUsers(qbUsers); 

      ArrayList<QBUser> qbUserWithoutCurrent = 
new ArrayList<QBUser>(); 

      for (QBUser user : qbUsers) 
      { 
       if 
(!user.getLogin().equals(QBChatService.getInstance().getUser().getLogin())) 

        qbUserWithoutCurrent.add(user); 
      } 

      ListUsersAdapter adapter = new 
ListUsersAdapter(getBaseContext(),qbUserWithoutCurrent); 

      lstUsers.setAdapter(adapter); 
      adapter.notifyDataSetChanged(); 


     } 

     @Override 
     public void onError(QBResponseException e) { 
      Log.e("ERROR",e.getMessage()); 
     } 
    }); 
    } 
} 

ListUsersAdapter :

package com.aryojj.swagmessenger.Adapter; 

import android.content.Context; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.BaseAdapter; 
import android.widget.TextView; 

import com.aryojj.swagmessenger.R; 
import com.quickblox.users.model.QBUser; 

import java.util.ArrayList; 

/** 
* Created by Aryojj on 12/27/2017. 
*/ 

public class ListUsersAdapter extends BaseAdapter { 

    private Context context; 
    private ArrayList<QBUser> qbUserArrayList; 

    public ListUsersAdapter(Context context, ArrayList<QBUser> 
qbUserArrayList) { 


     this.context = context; 
     this.qbUserArrayList = qbUserArrayList; 

    } 

    @Override 
    public int getCount() { 
     return qbUserArrayList.size(); 
    } 

    @Override 
    public Object getItem(int position) { 
     return qbUserArrayList.get(position); 
    } 

    @Override 
    public long getItemId(int position) { 
     return position; 
    } 

    @Override 
    public View getView(int position, View convertView, ViewGroup parent) { 
     View view = convertView; 
     if (convertView == null) 
     { 
      LayoutInflater inflater = 
(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 

      view = inflater.inflate(android.R.layout.simple_list_item_multiple_choice,null); 


      TextView textView = (TextView) 
view.findViewById(android.R.id.text1); 

      textView.setText(qbUserArrayList.get(position).getLogin()); 

     } 
      return view; 
    } 
} 

Answer 1

글쎄, 모든 것이 OK이었고, 모든 내가했다 할 일은 관리자/사용자/설정을 관리하고 "API를 통해 사용자 목록 검색 허용"을 사용하도록 설정하는 것입니다.