Autocompletetextview Illegalstateexception: The Content Of The Adapter Has Changed But Listview Did Not Receive A Notification

Good day, I have the following code and i cannot understand why i get the above error message sporadically. sometimes i get it.. sometimes i don't but i would like to get rid of it

Solution 1:

Here is the getFilter method:which is working fine

@Overridepublic Filter getFilter() {
    Filterfilter=newFilter() {
        @Overrideprotected FilterResults performFiltering(final CharSequence constraint) {
            finalFilterResultsfilterResults=newFilterResults();


                    resultList = autocomplete(constraint.toString());

                    // Assign the data to the FilterResults
                    filterResults.values = resultList;
                    filterResults.count = resultList.size();






            return filterResults;
        }

        @OverrideprotectedvoidpublishResults(CharSequence constraint, final FilterResults results) {
            try {
               activity.runOnUiThread(newRunnable() {
                   @Overridepublicvoidrun() {
                       if (results != null && results.count > 0) {

                          // resultList=(ArrayList<String>)results.values;
                           notifyDataSetChanged();
                       } else {
                           notifyDataSetInvalidated();
                       }
                   }
               });
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    };
    return filter;
}


    publicstatic ArrayList<String> autocomplete(String input) {
    ArrayList<String> resultList = null;


    HttpURLConnectionconn=null;
    StringBuilderjsonResults=newStringBuilder();
    try {
        StringBuildersb=newStringBuilder(Constant.PLACES_API_BASE + Constant.TYPE_AUTOCOMPLETE + Constant.OUT_JSON);
        sb.append("?key=AIzaSyAlU5QFZWbgInmPlV-LWFlXiRS7pZ8wD8o");
        //sb.append("&components=country:au");//sb.append("&location=" + String.valueOf(LocationHelperService.dblLatitude) + "," + String.valueOf(LocationHelperService.dblLongitude));
        sb.append("&input=" + URLEncoder.encode(input, "utf8"));
        sb.append("&radius=" + String.valueOf(50));

        URLurl=newURL(sb.toString());

        System.out.println("URL: " + url);
        conn = (HttpURLConnection) url.openConnection();
        InputStreamReaderin=newInputStreamReader(conn.getInputStream());

        // Load the results into a StringBuilderint read;
        char[] buff = newchar[1024];
        while ((read = in.read(buff)) != -1) {
            jsonResults.append(buff, 0, read);
        }
    } catch (MalformedURLException e) {
        Log.e(LOG_TAG, "Error processing", e);
        return resultList;
    } catch (IOException e) {
        Log.e(LOG_TAG, "Error connecting to Places API", e);
        return resultList;
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
    }

    try {
        // Create a JSON object hierarchy from the resultsJSONObjectjsonObj=newJSONObject(jsonResults.toString());
        JSONArraypredsJsonArray= jsonObj.getJSONArray("predictions");

        // Extract the Place descriptions from the results
        resultList = newArrayList<String>(predsJsonArray.length());
        mainTextList=newArrayList<String>(predsJsonArray.length());
        secondoryTextList=newArrayList<String>(predsJsonArray.length());


        for (inti=0; i < predsJsonArray.length(); i++) {
            System.out.println(predsJsonArray.getJSONObject(i).getString("description"));
            System.out.println("============================================================");
            resultList.add(predsJsonArray.getJSONObject(i).getString("description"));
            mainTextList.add(predsJsonArray.getJSONObject(i).getJSONObject("structured_formatting").getString("main_text"));

            if(predsJsonArray.getJSONObject(i).getJSONObject("structured_formatting").has("secondary_text"))
            {
                secondoryTextList.add(predsJsonArray.getJSONObject(i).getJSONObject("structured_formatting").getString("secondary_text"));
            }
            else{
                secondoryTextList.add("");
            }




        }
    } catch (JSONException e) {
        Log.e(LOG_TAG, "Cannot process JSON results", e);
    }

    return resultList;
}

Solution 2:

I resolved the same issue after a lot of research and debugging. You can take help from here here