Question

I’m working on a project. That could populate list through json. I’ve parse the data from http://10.0.2.2/mobile_version/get_supplier_pro_list.php, and it is displaying me the text but not image, what i’ve done is

// Hashmap for ListView
    ArrayList<HashMap<String, String>> contactList = new ArrayList<HashMap<String, String>>();

    // Creating JSON Parser instance
    JSONParser jParser = new JSONParser();

    // getting JSON string from URL
    JSONObject json = jParser.getJSONFromUrl(url);

    try {
        // Getting Array of Contacts
        sup_pd_list = json.getJSONArray(TAG_SUPPLIERS);

        // looping through All Contacts
        for (int i = 0; i < sup_pd_list.length(); i++) {
            JSONObject c = sup_pd_list.getJSONObject(i);

            // Storing each json item in variable
            String suply_id = c.getString(TAG_ID);
            String pd_name = c.getString(TAG_PRO_NAME);
            String pd_price = c.getString(TAG_PRO_PRICE);
            String pd_thumbnail = c.getString(TAG_PRO_THUMBNAIL);

            // creating new HashMap
            HashMap<String, String> map = new HashMap<String, String>();

            // adding each child node to HashMap key => value
            map.put(TAG_ID, suply_id);
            map.put(TAG_PRO_NAME, pd_name);
            map.put(TAG_PRO_PRICE, pd_price);
            map.put(TAG_PRO_THUMBNAIL, pd_thumbnail);

            // adding HashList to ArrayList
            contactList.add(map);
        }

    } catch (JSONException e) {
        e.printStackTrace();
    }


    /**
     * Updating parsed JSON data into ListView
     * */
    ListAdapter adapter = new SimpleAdapter(this, contactList,
            R.layout.single_list_item, new String[] { TAG_PRO_NAME,
                    TAG_PRO_PRICE, TAG_PRO_THUMBNAIL}, new int[] {
                    R.id.pd_name, R.id.pd_price , R.id.pd_thumbnail });

    setListAdapter(adapter);
}

and in logcat, it shows me

12-14 03:47:12.743: I/System.out(314): resolveUri failed on bad bitmap uri: fceacd5431438f9d93fb4f885a3b2990.png
12-14 03:47:12.762: I/System.out(314): resolveUri failed on bad bitmap uri: d254d82762217f8e1005013c8926f53e.jpg

And through parsing, what i get is

{"suppliers":[{"suply_id":null,"pd_name":"car","pd_price":"200000.00","pd_thumbnail":"fceacd5431438f9d93fb4f885a3b2990.png"}],"success":1}

Help needed. Thanks in advance.

Answer 1

A couple of things need to happen in order to display the image. First, you need to change your HashMap to HashMap<String, Object>() to accept a drawable object.

Next, you need to get the drawable object from your string name by doing something like this:

Resources r = getResources();
int thumb = r.getIdentifier(pd_thumbnail, "com.mypackage");
map.put(TAG_PRO_THUMBNAIL, thumb);

Here is a tutorial that you can use to derive things from minus the string to drawable conversion

http://www.androidpractice.com/2012/01/static-listview-with-images-in-android.html

Finally, I’m not sure if R.layout.single_list_item is the right type of list item for this, but I may be mistaken, so please don’t quote me on that one.