listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
if(position == 1 ){
Toast.makeText(getApplicationContext(),
"Click ListItem Number " + position,
Toast.LENGTH_LONG)
.show();
}else{
}
我有一个来自自定义适配器的列表视图,它工作正常,当我单击一个项目时,它会获得正确的位置。我如何从位置中提取字段视图文本。IE
holder.txtDesc = (TextView) convertView.findViewById(R.id.desc);
我想将 desc 字段从我单击的位置列表中定位出来。我知道您可以使用哈希映射,但是有没有办法仅通过列表位置来定位项目单击时的字段视图?我知道这是“webby”,但我确信 java 具有相同的灵活性
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
RowItem rowItem = getItem(position);
LayoutInflater mInflater = (LayoutInflater) context
.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = mInflater.inflate(R.layout.list_item, null);
holder = new ViewHolder();
holder.txtDesc = (TextView) convertView.findViewById(R.id.desc);
holder.txtTitle = (TextView) convertView.findViewById(R.id.title);
convertView.setTag(holder);
} else
holder = (ViewHolder) convertView.getTag();
holder.txtDesc.setText(rowItem.getDesc());
holder.txtTitle.setText(rowItem.getTitle());
return convertView;
}