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POUnable to call arraylist in another activity using AsyncTask- Android app
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2013-03-06T12:18:25.903
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<p>I have an application where I have a separate class named "Images1" which extends AsyncTask, where in I am fetching all the gallery URL via JSON.I am instantiating the AsyncTask class in another activity where I need the arraylist returned by the "Images1" class.However I am unable to get the arraylist. Please suggest what steps should be taken.Thanks in advance </p> <pre><code>public class Images1 extends AsyncTask<Void, Void, ArrayList<String>> { ProgressDialog mPreogressDialog; private static String url = "http://www.tts.com/album_pro/array_to_encode"; JSONParser jParser = new JSONParser(); ArrayList<String> image_urls = new ArrayList<String>(); @Override protected void onPreExecute() { mPreogressDialog = ProgressDialog.show(Images1.this, "", "Uploading Document. Please wait...", true); } @Override protected ArrayList<String> doInBackground(Void... params) { // TODO Auto-generated method stub //Do your stuff here call ur methods imagedownload(); return image_urls; } protected void onPostExecute(ArrayList<String> result) { super.onPostExecute(result); // TODO Auto-generated method stub if (mPreogressDialog.isShowing()) mPreogressDialog.dismiss(); } public void imagedownload(){ JSONObject json = jParser.getJSONFromUrl(url); try{ JSONObject seo = json.getJSONObject("SEO"); JSONArray folio = seo.getJSONArray("Folio"); JSONArray image_urls1 = new JSONArray(); String s1=seo.getString("Folio"); for(int i=0;i<folio.length();++i) { String m = folio.getString(i); Log.v("M"+i,m); image_urls.add(m+ ","); } } catch(Exception e) { e.printStackTrace(); } } } </code></pre> <p>In the another activity I am instantiating the class and calling it as </p> <pre><code>Images1 img1; new img1.execute(); </code></pre>
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<android><json><android-asynctask>
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Unable to call arraylist in another activity using AsyncTask- Android app
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1. USShweta
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