ParseJSON.java

    public class ParseJSON extends Activity {
        GridView MyGrid;
        Bitmap bmImg;
        ImageView imView;

        /** Called when the activity is first created. */
            @Override
            public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                setContentView(R.layout.main);

                MyGrid = (GridView)findViewById(R.id.grid);
                ImageAdapter adapter = new ImageAdapter(this);
                adapter.readTwitterFeed();
                MyGrid.setAdapter(adapter);

            }

            public class ImageAdapter extends BaseAdapter {
                private Context mContext;
                private ArrayList<String> mItems;

                public ImageAdapter(Context c) {
                    mContext = c;
                    mItems = new ArrayList<String>();
                }


                public String readTwitterFeed() {
                    StringBuilder builder = new StringBuilder();
                    HttpClient client = new DefaultHttpClient();
                    HttpGet httpGet = new HttpGet(
                            "http://www.zigwheels.com/api/zigtvApi.php?method=data&module=News&section=News");
                    try {
                        HttpResponse response = client.execute(httpGet);
                        StatusLine statusLine = response.getStatusLine();
                        int statusCode = statusLine.getStatusCode();
                        if (statusCode == 200) {
                            HttpEntity entity = response.getEntity();
                            InputStream content = entity.getContent();
                            BufferedReader reader = new BufferedReader(
                                    new InputStreamReader(content));
                            String line;
                            while ((line = reader.readLine()) != null) {
                                builder.append(line);
                            }
                        } else {
                            Log.e(ParseJSON.class.toString(), "Failed to download file");
                        }
                    } catch (ClientProtocolException e) {
                        e.printStackTrace();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                    if(builder.toString().length() > 0){
                        // parse the response and add it in arraylist
                        try{
                              JSONArray  jsonArray = new JSONArray(builder.toString());
                              for (int i = 0; i < jsonArray.length(); i++) {
                                    JSONObject jsonObject = jsonArray.getJSONObject(i);
                                    mItems.add(jsonObject.getString("headline"));
                              }
                         }catch(JSONException e){
                                e.printStackTrace();
                            }
                    }
                    return builder.toString();
                }


                public int getCount() {
                    return mItems.size();
                }

                public String getItem(int position) {
                    return mItems.get(position);
                }

                public long getItemId(int position) {
                    return position;
                }

                // create a new ImageView for each item referenced by the Adapter
                public View getView(int position, View convertView, ViewGroup parent) {
                     View MyView = convertView;

                    if (convertView == null) {  // if it's not recycled, initialize some attributes
                         LayoutInflater li = getLayoutInflater();
                         MyView = li.inflate(R.layout.main, null);
                    }
                    TextView tv = (TextView)MyView.findViewById(R.id.grid_item_text);
                    tv.setText(mItems.get(position));
                    return MyView;
                }
        }