我的列表视图包含TextView
和ImageView
,在第一图像视图是INVISIBLE
,并通过点击每个项目将是VISIBLE
这里是我的适配器:上转换视图点击监听器来使图像视图中可见
public class ContentViewrAdaptor extends BaseAdapter implements Filterable {
private List<String> originalData = null;
private List<String> filteredData = null;
private LayoutInflater mInflater;
private Typeface regular;
private Context context;
private ItemFilter mFilter = new ItemFilter();
public ContentViewrAdaptor(Context context, List<String> data, Typeface regular) {
this.filteredData = data;
this.originalData = data;
this.regular = regular;
this.context = context;
mInflater = LayoutInflater.from(context);
}
public int getCount() {
return filteredData.size();
}
public Object getItem(int position) {
return filteredData.get(position);
}
public long getItemId(int position) {
return position;
}
public View getView(final int position, View convertView, ViewGroup parent) {
final ViewHolder holder;
if (convertView == null) {
convertView = mInflater.inflate(R.layout.text_view, null);
holder = new ViewHolder();
holder.image = (ImageView) convertView.findViewById(R.id.iAccept);
holder.text = (TextView) convertView.findViewById(R.id.contentText);
holder.text.setTypeface(regular);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.image.setTag(position);
convertView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(context, (Integer) holder.image.getTag() + "", Toast.LENGTH_SHORT).show();
ViewHolder vh = (ViewHolder) v.getTag();
ImageView iv = vh.image;
if (iv.getVisibility() == View.VISIBLE) {
iv.setVisibility(View.INVISIBLE);
} else {
iv.setVisibility(View.VISIBLE);
}
}
});
if (filteredData.get(position).contains("font"))
holder.text.setText(Html.fromHtml(filteredData.get(position)));
else
holder.text.setText(filteredData.get(position));
return convertView;
}
static class ViewHolder {
ImageView image;
TextView text;
}
public Filter getFilter() {
return mFilter;
}
private class ItemFilter extends Filter {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
String filterString = constraint.toString().toLowerCase();
FilterResults results = new FilterResults();
final List<String> list = originalData;
int count = list.size();
final ArrayList<String> nlist = new ArrayList<String>(count);
String filterableString;
for (int i = 0; i < count; i++) {
filterableString = list.get(i);
if (filterableString.toLowerCase().contains(filterString)) {
filterableString = filterableString.replaceAll(filterString, "<font color='red'>" + filterString + "</font>");
nlist.add(filterableString);
}
}
results.values = nlist;
results.count = nlist.size();
return results;
}
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
filteredData = (ArrayList<String>) results.values;
notifyDataSetChanged();
}
}
}
敌人例子当我点击第一个项目时第四个项目也会显示,这个问题会导致列表滚动时
有什么问题?我怎么解决这个问题?
谢谢你,Guardanis先生 – 2014-08-27 20:52:00
非常欢迎!很高兴我能帮忙〜 – Guardanis 2014-08-27 21:04:52