set text in textview of a list item on click of button

Question

I have created a list view as shown in this image.Link:

Image

Problem: I want that if the user clicks on the button + or

Answer 1

I know its very late but i thought this may help other who have similar problem

Problem: I want that if the user clicks on the button + or - the textview which is currently showing 0 is incremented or decremented accordingly. But if I click first item's button the textview is updated in some other row. I don't know how to implement this.

look at your code

ViewHolder holder = (ViewHolder) row.getTag();
    holder.imageView.setImageResource(images[position]);
    holder.textView.setText(names[position]);
    add.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

            count=count+1;
            number.setText(count.toString());
        }
    });

    sub.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

            count=count-1;
            number.setText(count.toString());
        }
    });
    return row;

in your ViewHolder you have set values for holder.imageview and holder.textview which is for name i think, but you forgot to set value for holder.number and you are only changing its value in onClick method. so when the adapter creates its view it do not find any specific value that is why it uses the previously used view to inflate the data.

Solution:- just use a separate list to store the number with unique key (use adapter position as key) and check if the list has that key that means you previously changed the value so get the value from list and set it on textview if the key is not present that means you never changed the value so set textview with 0