我想在单击ImageView时从listView中删除某一行。我的列表视图看起来像这样: AdapterView不支持removeView(View)
我希望当最后一个图像被点击删除该行。这里是我的适配器:
public class UserItemAdapter extends ArrayAdapter<Photos.Record> {
private ArrayList<Photos.Record> photos;
public UserItemAdapter(Context context, int textViewResourceId, ArrayList<Photos.Record> photos) {
super(context, textViewResourceId, photos);
this.photos = photos;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
View v = convertView;
if (v == null) {
LayoutInflater vi = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(R.layout.photorowlist, null);
v.setClickable(true);
v.setFocusable(true);
}
Photos.Record user = photos.get(position);
if (user != null) {
TextView photo_name = (TextView) v.findViewById(R.id.photoname);
if (photo_name != null) {
photo_name.setText(user.photo_name);
}
}
v.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
//Toast.makeText(view.getContext(), "Clicked", Toast.LENGTH_SHORT).show();
ImageView delete_photo = (ImageView) view.findViewById(R.id.deletephoto);
delete_photo.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
Toast.makeText(Photos.this, "Delete Button Clicked", Toast.LENGTH_SHORT).show();
listView.removeView(v);
myadapter.notifyDataSetChanged();
}});
}
});
return v;
}
}
public class Record {
public String photo_name;
public Record(String photo_name) {
this.photo_name = photo_name;
}
}
我试图删除使用该行:
listView.removeView(v);
myadapter.notifyDataSetChanged();
,我得到的错误:ERROR AndroidRuntime java.lang.UnsupportedOperationException: removeView(View) is not supported in AdapterView
哪里是我的mystake?任何想法?
不,但我认为你做错了。您不应将您的ClickListener写入适配器,而是写入您的活动(或片段)中。然后,您为您的视图设置一个OnItemClickListener并在此删除您的照片。我不确定我是否清楚,但你应该看看[Cyril Mottier的博客](http://android.cyrilmottier.com/?p=525) – AMerle 2012-07-11 08:28:52
我试过这样的解决方案(从适配器数组列表中删除数据然后刷新),但没有奏效。在这里打开另一个问题:http://stackoverflow.com/questions/38250987/removing-an-item-from-the-dropdown-list-of-a-baseadapter – 2016-07-08 08:30:28