Geek asks and answers

Removing an item from a list in a user adapter

I have a custom list item that includes a delete button. I created a custom adapter with a name LazyListAdapterthat extends BaseAdapter. Inside the getView method that I override, I set this button to the onclick method as follows:

@Override
public View getView(final int pos, View convertView, ViewGroup parent) {

     View v = convertView;

     // Some other things...

     ImageButton removeFav = (ImageButton) v.findViewById(R.id.removeFavorites);

     removeFav.setOnClickListener(new OnClickListener() {

     @Override
     public void onClick(View v) {

          // I delete the object from Parse database here,
          // Therefore I want the view to disappear here
     }
}

How can I remove or somehow hide the corresponding view using the code inside this onclick method? Or should I change my approach?

Thank you so much in advance.

+5
source share
3 answers

try it

@Override
public View getView(final int pos, View convertView, ViewGroup parent) {

    View v = convertView;

    // Some other things...

    ImageButton removeFav = (ImageButton) v.findViewById(R.id.removeFavorites);

    removeFav.setOnClickListener(new OnClickListener() {

    @Override
    public void onClick(View v) {

       // After you delete the object from Parse database here,
       notifyDataSetChanged();

    }
}
+7
source

try using parent.removeViewAt (position).

0
source

getview,

@Override
public View getView(final int position, View convertView, ViewGroup parent) {

    ViewHolder viewHolder;

    if (convertView == null) {

        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.list_row, null, false);
        viewHolder = new ViewHolder();
        viewHolder.img = (ImageView) convertView.findViewById(R.id.img);
        convertView.setTag(viewHolder);

    } else {
        // we call the view created before to not create a view in each time
        viewHolder = (ViewHolder) convertView.getTag();
    }

    final int imgId = imageId.get(position);

    viewHolder.img.setImageResource(imgId);

    viewHolder.img.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            Toast.makeText(context, "Clicked " + imgId, Toast.LENGTH_SHORT)
                    .show();
        }
    });

    // Create a generic swipe-to-dismiss touch listener.
    viewHolder.img.setOnTouchListener(new SwipeDismissTouchListener(
            viewHolder.img, null,
            new SwipeDismissTouchListener.DismissCallbacks() {
                @Override
                public boolean canDismiss(Object token) {
                    return true;
                }

                @Override
                public void onDismiss(View view, Object token) {

                    Log.d(TAG, "Image ıd" + imgId);


                    imageId.remove(position);
                    remove(position);

                    notifyDataSetChanged();
                }
            }));

    return convertView;
}
0

More articles:


All Articles