onitemclicklistene里怎么获取当前item

onitemclicklistene里怎么获取当前item

以 bookshelf 为例 ，为其设置适配器 adapter，设置点击事键，在class ShlefAdapter 中的getItem方法中得到 item值
bookShelf = (GridView) findViewById (R.id.bookShelf);
ShlefAdapter adapter=new ShlefAdapter();
bookShelf.setAdapter(adapter);


bookShelf.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView arg0, final View arg1, final int arg2, long arg3) {
// TODO Auto-generated method stub

}
});

class ShlefAdapter extends BaseAdapter{
@Override
public int getCount() {
// TODO Auto-generated method stub
return data.length+1;
}
@Override
public Object getItem(int arg0) { //得到所点击的Item的值。
// TODO Auto-generated method stub
return arg0;
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
}
@Override
public View getView(int position, View contentView, ViewGroup arg2) {
// TODO Auto-generated method stub
//动态载入item
contentView=LayoutInflater.from(getApplicationContext()).inflate(R.layout.item1, null);
TextView view=(TextView) contentView.findViewById(R.id.imageView1);

return contentView;
}

}

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