我已经生成了一个ListView
using BaseAdapter
. 我的列表视图中有 2 个Button
。当单击行中的 Button2 时,我想让我的 Button1 不可见。然后,当单击另一行的 Button2 时,我想让当前行中的 Button1 不可见,而以前不可见的 Button1 可见,即一次只有一行的 Button1 不可见。我已经完成了以下操作,但我不知道如何在单击的行中设置 Button1 的可见性。请逐步指导我。我的适配器代码如下:
private class ListAdapter extends BaseAdapter {
LayoutInflater inflater;
ViewHolder viewHolder;
public ListAdapter(Context context) {
// TODO Auto-generated constructor stub
inflater = LayoutInflater.from(context);
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return _productlist.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return _productlist.get(position);
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
private final boolean[] mHighlightedPositions = new boolean[getCount()];
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
if (convertView == null) {
convertView = inflater.inflate(R.layout.listview_row, null);
viewHolder = new ViewHolder();
viewHolder.Button1 = (Button) convertView
.findViewById(R.id.btn_update);
convertView.setTag(viewHolder);
viewHolder.Button2 = (Button) convertView
.findViewById(R.id.btn_update2);
convertView.setTag(viewHolder);
}
else {
viewHolder = (ViewHolder) convertView.getTag();
}
viewHolder.Button2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(mHighlightedPositions[position]) {
viewHolder.Button1.setVisibility(convertView.INVISIBLE);
}
}
});
return convertView;
}