In the listview adapter, replace the image with a click of this image

Question

I need to change the image when I click on this image. I try to do this so that he changes the image, but not in this position, in a random position. Code

     public class InteractiveArrayAdapter extends
    ArrayAdapter<HashMap<String, String>> {
public boolean[] checkBoxState;
boolean[] favStar;
ViewHolder viewholder;
// private Object inflater;
private LayoutInflater inflater;
private ArrayList<HashMap<String, String>> menuItems;

public InteractiveArrayAdapter(Context context, int resource,
        ArrayList<HashMap<String, String>> menuItems) {
    super(context, resource, menuItems);
    this.menuItems = menuItems;
    inflater = (LayoutInflater) context
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    checkBoxState = new boolean[menuItems.size()];
}

private class ViewHolder {
    // ImageView photo;
    TextView title, link, published, description;
    // ImageButton newsCheck;
    public ImageView newsCheck;
}

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

    if (convertView == null) {
        // inflater =
        // LayoutInflater.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = inflater.inflate(R.layout.list_item1, null);
        viewholder = new ViewHolder();

        // cache the views
        // viewholder.photo=(ImageView)
        // convertView.findViewById(R.id.photo);
        viewholder.title = (TextView) convertView
                .findViewById(R.id.news_title);
        // viewholder.link = (TextView) convertView.findViewById(R.id.link);
        viewholder.published = (TextView) convertView
                .findViewById(R.id.published);
        viewholder.description = (TextView) convertView
                .findViewById(R.id.description);
        viewholder.newsCheck = (ImageView) convertView
                .findViewById(R.id.newsCheck);
        System.out.println("position" + position);

        // link the cached views to the convertview
        convertView.setTag(viewholder);

    } else
        viewholder = (ViewHolder) convertView.getTag();

    HashMap<String, String> catalog_list = new HashMap<String, String>();
    catalog_list = menuItems.get(position);

    // viewholder.link.setText(catalog_list.get("NEWS_KEY_LINK")
    //
    // viewholder.link.setText(catalog_list
    // .get(NewsXMLParsingActivity.NEWS_KEY_LINK));
    viewholder.title.setText(catalog_list
            .get(NewsXMLParsingActivity.NEWS_KEY_TITLE));
    viewholder.published.setText(catalog_list
            .get(NewsXMLParsingActivity.NEWS_KEY_PUB));
    viewholder.description.setText(catalog_list
            .get(NewsXMLParsingActivity.NEWS_KEY_DESCRIPTION));
    viewholder.newsCheck.setTag(position);
    viewholder.newsCheck.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            viewholder.newsCheck.getTag(position);
            System.out.println(v.getTag() + "qqqqqq");
            int position = (Integer) v.getTag(); // This will retrieve your
                                                    // clicked image

            viewholder.newsCheck.setImageResource(R.drawable.favv2);

        }
    });

    return convertView;

}

}

Answer 1

Try it...

public class InteractiveArrayAdapter extends
        ArrayAdapter<HashMap<String, String>> {
    public boolean[] checkBoxState;
    boolean[] favStar;
    // private Object inflater;
    private LayoutInflater inflater;
    private ArrayList<HashMap<String, String>> menuItems;
    // track the positions of images changed;
    private final HashSet<Integer> imageIndexes;

    public InteractiveArrayAdapter(Context context, int resource,
            ArrayList<HashMap<String, String>> menuItems) {
        super(context, resource, menuItems);
        this.menuItems = menuItems;
        inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        checkBoxState = new boolean[menuItems.size()];
        imageIndexes = new HashSet<Integer>();
    }

    private static class ViewHolder {
        // ImageView photo;
        TextView title, link, published, description;
        // ImageButton newsCheck;
        public ImageView newsCheck;
    }

    @Override
    public View getView(final int position, View convertView,
            ViewGroup parent) {
        ViewHolder viewholder = null;
        if (convertView == null) {
            // inflater =
            // LayoutInflater.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            convertView = inflater.inflate(R.layout.list_item1, null);
            viewholder = new ViewHolder();

            // cache the views
            // viewholder.photo=(ImageView)
            // convertView.findViewById(R.id.photo);
            viewholder.title = (TextView) convertView
                    .findViewById(R.id.news_title);
            // viewholder.link = (TextView)
            // convertView.findViewById(R.id.link);
            viewholder.published = (TextView) convertView
                    .findViewById(R.id.published);
            viewholder.description = (TextView) convertView
                    .findViewById(R.id.description);
            viewholder.newsCheck = (ImageView) convertView
                    .findViewById(R.id.newsCheck);
            System.out.println("position" + position);

            // link the cached views to the convertview
            convertView.setTag(viewholder);

        } else {
            viewholder = (ViewHolder) convertView.getTag();
        }

        HashMap<String, String> catalog_list = new HashMap<String, String>();
        catalog_list = menuItems.get(position);

        // viewholder.link.setText(catalog_list.get("NEWS_KEY_LINK")
        //
        // viewholder.link.setText(catalog_list
        // .get(NewsXMLParsingActivity.NEWS_KEY_LINK));
        viewholder.title.setText(catalog_list
                .get(NewsXMLParsingActivity.NEWS_KEY_TITLE));
        viewholder.published.setText(catalog_list
                .get(NewsXMLParsingActivity.NEWS_KEY_PUB));
        viewholder.description.setText(catalog_list
                .get(NewsXMLParsingActivity.NEWS_KEY_DESCRIPTION));
        viewholder.newsCheck.setTag(position);
        if(imageIndexes.contains(Integer.valueOf(position))) {
            viewholder.newsCheck.setImageResource(R.drawable.favv2);
        } else {
            viewholder.newsCheck.setImageResource(R.drawable.favv1);
        }
        viewholder.newsCheck.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                int position = (Integer) v.getTag(); 
                ImageView imageView = (ImageView) v;
                imageView.setImageResource(R.drawable.favv2);
                imageIndexes.add(Integer.valueOf(position));
            }
        });

        return convertView;

    }
}

Answer 2

When you click ImageView, the parameter View vwill be itself ImageView. So, if all you have to do is change the image, you just need to specify it as ImageViewand change its image resource.

@Override
public void onClick(View v)
{
    ((ImageView) v).setImageResource(R.drawable.favv2);
}