动态列表中包含一个 imageview 和一个 textview。我想在点击的时候改变指定位置的图像,如何实现?
public class CoverLetterAdaptor extends BaseAdapter
{
String[] coverLetterItems;
Context context;
private LayoutInflater mInflater;
int ht,wt;
public CoverLetterAdaptor(Context context,int ht,int wt, String[] coverLetterTitle)
{
this.context = context;
this.coverLetterItems = coverLetterTitle ;
this.ht = ht;
this.wt = wt;
mInflater = LayoutInflater.from(context);
}
public int getCount() {
return coverLetterItems.length;
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView( final int position, View convertView, ViewGroup parent)
{
ViewHolder holder;
if (convertView == null)
{
convertView = mInflater.inflate(R.layout.coverletteradaptor, null);
holder = new ViewHolder();
holder.coverLetterTxt = (TextView) convertView.findViewById(R.id.coverLetterAdaptorTxt);
holder.bgImageCCAdaptor = (ImageView)convertView.findViewById(R.id.bgimageCoverLetter);
holder.bgimageCoverLetter = (ImageView)convertView.findViewById(R.id.bgimageCoverLetterr);
holder.bgimageCoverLetter.setLayoutParams(new RelativeLayout.LayoutParams(wt, ht/7));
convertView.setTag(holder);
}
else
holder = (ViewHolder) convertView.getTag();
holder.coverLetterTxt.setText(coverLetterItems[position]);
return convertView;
}
static class ViewHolder
{
TextView coverLetterTxt;
ImageView bgImageCCAdaptor;
ImageView bgimageCoverLetter;
}
}