Was passiert, ist, dass beim Scrollen der Liste die Bilder, die auf jedes Objekt geladen wurden, gemischt werden und der Avatar jedes Objekts, das zum nächsten Objekt wechselt, endet. Ich weiß nicht, ob ich klar bin, aber ich zeige mit dem Bild meine benutzerdefinierte Adapterklasse

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

import java.util.ArrayList;

public class CustomListAdapter extends BaseAdapter {
    private ArrayList listData;
    private LayoutInflater layoutInflater;

    public CustomListAdapter(Context context, ArrayList listData) {
        this.listData = listData;
        layoutInflater = LayoutInflater.from(context);
    }

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

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

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

    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder holder;
        if (convertView == null) {
            convertView = layoutInflater.inflate(R.layout.list_row_layout, null);
            holder = new ViewHolder();
            holder.headlineView = (TextView) convertView.findViewById(R.id.title);
            holder.reporterNameView = (TextView) convertView.findViewById(R.id.reporter);
            holder.reportedDateView = (TextView) convertView.findViewById(R.id.date);
            holder.imageView = (ImageView) convertView.findViewById(R.id.thumbImage);
            convertView.setTag(holder);
        } else {
            holder = (ViewHolder) convertView.getTag();
        }

        NewsItem newsItem = (NewsItem) listData.get(position);
        holder.headlineView.setText(newsItem.getHeadline());
        holder.reporterNameView.setText("By, " + newsItem.getReporterName());
        holder.reportedDateView.setText(newsItem.getDate());
        if (holder.imageView != null) {
            new ImageDownloaderTask(holder.imageView).execute(newsItem.getUrl());
        }
        return convertView;
    }

    static class ViewHolder {
        TextView headlineView;
        TextView reporterNameView;
        TextView reportedDateView;
        ImageView imageView;
    }
}

my news item class

public class NewsItem {

    private String headline;
    private String reporterName;
    private String date;
    private String url;

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public String getHeadline() {
        return headline;
    }

    public void setHeadline(String headline) {
        this.headline = headline;
    }

    public String getReporterName() {
        return reporterName;
    }

    public void setReporterName(String reporterName) {
        this.reporterName = reporterName;
    }

    public String getDate() {
        return date;
    }

    public void setDate(String date) {
        this.date = date;
    }

    @Override
    public String toString() {
        return "[ headline=" + headline + ", reporter Name=" + reporterName + " , date=" + date + "]";
    }
}

my imageDownloaderTask

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.ImageView;

import org.apache.http.HttpStatus;

import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.net.HttpURLConnection;
import java.net.URL;

class ImageDownloaderTask extends AsyncTask<String, Void, Bitmap> {
    private final WeakReference<ImageView> imageViewReference;

    public ImageDownloaderTask(ImageView imageView) {
        imageViewReference = new WeakReference<ImageView>(imageView);
    }

    @Override
    protected Bitmap doInBackground(String... params) {
        return downloadBitmap(params[0]);
    }

    @Override
    protected void onPostExecute(Bitmap bitmap) {
        if (isCancelled()) {
            bitmap = null;
        }

        if (imageViewReference != null) {
            ImageView imageView = imageViewReference.get();
            if (imageView != null) {
                if (bitmap != null) {
                    imageView.setImageBitmap(bitmap);
                } else {
                    Drawable placeholder = imageView.getContext().getResources().getDrawable(R.drawable.placeholder);
                    imageView.setImageDrawable(placeholder);
                }
            }
        }
    }
    private Bitmap downloadBitmap(String url) {
        HttpURLConnection urlConnection = null;
        try {
            URL uri = new URL(url);
            urlConnection = (HttpURLConnection) uri.openConnection();
            int statusCode = urlConnection.getResponseCode();
            if (statusCode != HttpStatus.SC_OK) {
                return null;
            }

            InputStream inputStream = urlConnection.getInputStream();
            if (inputStream != null) {
                Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
                return bitmap;
            }
        } catch (Exception e) {
            urlConnection.disconnect();
            Log.w("ImageDownloader", "Error downloading image from " + url);
        } finally {
            if (urlConnection != null) {
                urlConnection.disconnect();
            }
        }
        return null;
    }
}