Meine Bilder werden gemischt oder geändert, wenn ich in der Listenansicht scrolle ....... Bilder werden gemischt, wenn ich nach unten scrolle und weiterhin meine eigene öffentliche Klasse ändere ............... CustomListAdapter erweitert BaseAdapter {

private ArrayList<NewsItem> listData;

private LayoutInflater layoutInflater;

public CustomListAdapter(Context context, ArrayList<NewsItem> 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.activity_list_search, 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("Model: " + 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;
}

}