how to sort two json array with time

Question

I want to sort two json arrays stream and stream1 with respect to time together.

The record in each array with the latest time will come first.Time is formatted like value of min ago ,days ago

This is the code I have so far:

 parseJsonFeed(JSONObject response) {
            try {
                String stream = pref.getStream();
                JSONArray feedArray = response.getJSONArray(stream);


                for (int i = 0; i < feedArray.length(); i++) {
                    JSONObject feedObj = (JSONObject) feedArray.get(i);

                    FeedItem item = new FeedItem();
                    item.setId(feedObj.getInt("id"));
                    item.setName(feedObj.getString("title"));

                    // Image might be null sometimes
                    String image = feedObj.isNull("image") ? null : feedObj
                            .getString("image");
                    item.setImge(image);
                    item.setStatus(feedObj.getString("status"));
                    item.setProfilePic(feedObj.getString("profilepic"));
                    item.setTimeStamp(feedObj.getString("created_at"));

                    // url might be null sometimes
                    String feedUrl = feedObj.isNull("url") ? null : feedObj
                            .getString("url");
                    item.setUrl(feedUrl);

                    feedItems.add(item);
                }

                // notify data changes to list adapater
                listAdapter.notifyDataSetChanged();
            } catch (JSONException e) {
                e.printStackTrace();
            }

            String stream2 = pref.getStream2();

            if (!stream2.contentEquals("none")) {

                try {

                    JSONArray feedArray = response.getJSONArray(stream2);


                    for (int i = 0; i < feedArray.length(); i++) {
                        JSONObject feedObj = (JSONObject) feedArray.get(i);

                        FeedItem item = new FeedItem();
                        item.setId(feedObj.getInt("id"));
                        item.setName(feedObj.getString("title"));

                        // Image might be null sometimes
                        String image = feedObj.isNull("image") ? null : feedObj
                                .getString("image");
                        item.setImge(image);
                        item.setStatus(feedObj.getString("status"));
                        item.setProfilePic(feedObj.getString("profilepic"));
                        item.setTimeStamp(feedObj.getString("created_at"));

                        // url might be null sometimes
                        String feedUrl = feedObj.isNull("url") ? null : feedObj
                                .getString("url");
                        item.setUrl(feedUrl);

                        feedItems.add(item);
                    }

                    // notify data changes to list adapater
                    listAdapter.notifyDataSetChanged();
                } catch (JSONException e) {
                    e.printStackTrace();
                }
            }

        }

I need to sort the arrays together to show the most recent item in each array first, then the next most recent, and so on.

Community · Accepted Answer · 2017-05-23 12:30:52Z

0

Make the FeedItem class implement Comparable or Comparator (refer this). Then call :

Collections.sort(feedItem);

before calling notifyDataSetChanged()

edited May 23, 2017 at 12:30

CommunityBot

11 silver badge

answered Nov 22, 2016 at 19:44

rhari

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