listView alttan doldurmayacak

Question

Bir okul projesi için bir sohbet etkinliği yapıyorum ve listenin en altındaki en yeni iletileri istiyorum. Aşağıdaki kodu eklemek işe yaramıyor. En yeni mesajın en altta görünmesini ve listenin otomatik olarak son liste öğesine kaydırılmasını istiyorum. Şimdiden teşekkürler!

android:transcriptMode="alwaysScroll" 
android:stackFromBottom="true" 

Link to image of current situation

XML:

<android.support.v7.widget.Toolbar 
     android:id="@+id/my_toolbar" 
     android:layout_width="match_parent" 
     android:layout_height="?attr/actionBarSize" 
     android:background="?attr/colorPrimary" 
     android:elevation="4dp" 
     android:theme="@style/ThemeOverlay.AppCompat.ActionBar" 
     app:popupTheme="@style/ThemeOverlay.AppCompat.Light" 
     /> 


    <RelativeLayout 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" 
     android:background="#1a1a1a" 
     android:id="@+id/relativeLayout_Messages" 
     android:layout_below="@id/my_toolbar" 
     android:layout_alignBottom="@+id/imageView_Separator"> 
     <ListView 
      android:id="@+id/listView_Messages" 
      android:layout_width="match_parent" 
      android:layout_height="match_parent" 
      android:stackFromBottom="true" 

      /> 

    </RelativeLayout> 
    <ImageView 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:id="@+id/imageView_Separator" 
     android:background="#1a1a1a" 
     android:src="@drawable/seperator" 
     android:layout_above="@+id/relativeLayout_ChatInput" 
     /> 
    <RelativeLayout 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_alignParentBottom="true" 
     android:id="@+id/relativeLayout_ChatInput" 
     android:background="#1a1a1a"> 


     <EditText 
      android:layout_width="wrap_content" 
      android:layout_height="50dp" 
      android:id="@+id/editText_ChatInput" 
      android:layout_alignParentTop="true" 
      android:layout_alignParentStart="true" 
      android:layout_marginStart="5dp" 
      android:background="@drawable/search_field" 
      android:layout_toStartOf="@+id/imageButton_Send" 
      android:layout_alignBottom="@+id/imageButton_Send" 
      android:inputType="textPersonName" 
      android:hint="@string/chat_field_hint" 
      android:textColor="#f4f5f6" 
      android:textColorHint="#f4f5f6"/> 


     <ImageButton 
      android:layout_width="32dp" 
      android:layout_height="32dp" 
      android:id="@+id/imageButton_Send" 
      android:background="@android:color/transparent" 
      android:src="@drawable/send_button" 
      android:scaleType="fitCenter" 
      android:layout_marginTop="10dp" 
      android:layout_marginStart="10dp" 
      android:layout_marginEnd="6dp" 
      android:layout_marginBottom="8dp" 
      android:layout_alignParentEnd="true" 
      android:onClick="sendButtonClicked" 
      /> 
    </RelativeLayout> 


</RelativeLayout> 

JAVA

package com.example.muhryn.resonatem; 


import android.os.Bundle; 
import android.support.v7.app.AppCompatActivity; 
import android.view.Menu; 
import android.view.MenuInflater; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.ListView; 

import android.content.Context; 
import android.view.inputmethod.InputMethodManager; 
import android.widget.*; 
import java.util.*; 

public class ChatActivity extends AppCompatActivity{ 

    public void hideKeyboard() { 
     try { 
      InputMethodManager imm=(InputMethodManager)this.getSystemService(Context.INPUT_METHOD_SERVICE); 
      imm.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(), 0); 
     } catch (Exception ex) { } 
    } 

    private ListView chatListView; 
    private Button submitButton; 
    private EditText chatEditText; 
    private Chat chat; 
    private ArrayList receivedList=new ArrayList(); 
    @Override 
    protected void onCreate(Bundle savedInstanceState){ 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_chat); 
     chatListView=(ListView)findViewById(R.id.listView_Messages); 
     chatEditText=(EditText)findViewById(R.id.editText_ChatInput); 
     chat=new Chat("A","Resonate"); 
     chat.setListener(new Chat.Listener(){ 
      public void received(final String received) { 
       System.out.println("Received: "+received); 
       runOnUiThread(new Runnable() { 
        public void run() { 
         hideKeyboard(); 
         receivedList.add(0, received); 
         chatListView.setAdapter(new ChatList(ChatActivity.this, receivedList)); 
        } 
       }); 
       //////((ArrayAdapter)chatListView.getAdapter()).insert(received,0); 
      } 
     }); 
    } 

    public void sendButtonClicked(View view){ 
     String textToSubmit=chatEditText.getText().toString().trim(); 
     if(textToSubmit.isEmpty()) 
      return; 
     if(chat.submitted(textToSubmit)) { 
      receivedList.add(0,"Sent: "+textToSubmit); 
      chatListView.setAdapter(new ChatList(ChatActivity.this, receivedList)); 
     } else 
      Toast.makeText(this,"Failed to submit "+textToSubmit+".",Toast.LENGTH_SHORT).show(); 
    } 

    @Override 
    public void onStop() { 
     super.onStop(); 
     chat.stop(); 
    } 

    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     MenuInflater inflater = getMenuInflater(); 
     inflater.inflate(R.menu.chat_menu, menu); 
     return true; 
    } 
    @Override 
    public boolean onOptionsItemSelected(MenuItem item) { 
     // Handle item selection 
     switch (item.getItemId()) { 
      case R.id.view_profile: 
       finish(); 
       return true; 
      case R.id.report_match: 
       finish(); 
       return true; 
      case R.id.add_match: 
       finish(); 
       return true; 
      case R.id.unmatch: 
       finish(); 
       return true; 


      default: 
       return super.onOptionsItemSelected(item); 
     } 
    } 






} 

Answer 1

aşağıdaki kodu deneyin. En son sohbete doğru aşağı inecektir.