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POFC when navigated back to activity from YouTube app
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copied!<p>I have a list of items that when clicked launches a video with the url to a youtube video, and the Youtube app is then launched.</p> <pre><code>@Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState){ return (inflater.inflate(R.layout.results, container, false)); } @Override public void onActivityCreated(Bundle state){ super.onActivityCreated(state); search = AccessibleYouTube_Fragment.search; ((TextView) getView().findViewById(R.id.textViewSearchResultTitle)) .setText("Captioned search results for " + search); ArrayList<YouTubeResult> ytResults = searchYoutube(search); int size = ytResults.size(); //lv.setAdapter(new ArrayAdapter<String>(this, R.layout., COUNTRIES)) ArrayList<String> ytResultsStr = new ArrayList<String>(); for(YouTubeResult result : ytResults) { ytResultsStr.add(result.toString()); } results = ytResults; //ListAdapter la = ; ((ListView) getView().findViewById(R.id.listViewSearchResults)).setAdapter(new ArrayAdapter<String>(getActivity(), android.R.layout.simple_list_item_1, ytResultsStr)); ((ListView) getView().findViewById(R.id.listViewSearchResults)).requestFocus(); ((ListView) getView().findViewById(R.id.listViewSearchResults)).setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub listViewClick(arg1, arg2); } }); } public void listViewClick(View view, int pressed) { current = results.get(pressed); displayVideoPage(); </code></pre> <p>}</p> <pre><code>public void displayVideoPage() { Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(current.url)); startActivity(i); </code></pre> <p>}</p> <pre><code>public ArrayList<YouTubeResult> searchYoutube(String search) { // adopted from // http://stackoverflow.com/questions/4023058/android-trying-to-get-data-from-youtube-api URL url; // http://gdata.youtube.com/feeds/mobile/videos/-/{http://gdata.youtube.com/schemas/2007/keywords.cat}google/{http://gdata.youtube.com/schemas/2007/keywords.cat}developers //ugh, normally would use regular expression, but in big time crunch String[] searchWords = search.split(" "); String searchUrl = "http://gdata.youtube.com/feeds/mobile/videos/-";// /{http://gdata.youtube.com/schemas/2007/keywords.cat} searchUrl = "http://gdata.youtube.com/feeds/api/videos?q=" + searchWords[0]; //http://gdata.youtube.com/feeds/api/videos?q=football+-soccer&orderby=relevance&start-index=11&max-results=10&v=2 boolean first = true; for (String s : searchWords) { if(first) { first = false; } else { searchUrl += "+" + s; } //searchUrl += "/{http://gdata.youtube.com/schemas/2007/keywords.cat}" + s; } //searchUrl += "&caption&orderby=relevance&start-index=1&max-results=100&v=2"; searchUrl += "&orderby=relevance&v=2"; //searchUrl = "http://gdata.youtube.com/feeds/api/standardfeeds/recently_featured?&start-index=1&max-results=15&v=2"; System.out.println(searchUrl); ArrayList<YouTubeResult> output = new ArrayList<YouTubeResult>(); try { url = new URL(searchUrl); URLConnection connection; connection = url.openConnection(); HttpURLConnection httpConnection = (HttpURLConnection) connection; int responseCode = httpConnection.getResponseCode(); System.out.println("Response code:" + responseCode); if (responseCode == HttpURLConnection.HTTP_OK) { InputStream in = httpConnection.getInputStream(); DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance(); DocumentBuilder db = dbf.newDocumentBuilder(); // Parse the earthquake feed. Document dom = db.parse(in); Element docEle = dom.getDocumentElement(); // Get a list of each earthquake entry. NodeList nl = docEle.getElementsByTagName("entry"); if (nl != null && nl.getLength() > 0) { final int length = nl.getLength(); for (int i = 0; i < length; i++) { Element entry = (Element) nl.item(i); Element title = (Element) entry.getElementsByTagName("title").item(0); Element id = (Element) entry.getElementsByTagName("id").item(0); Element author = (Element) entry.getElementsByTagName("author").item(0); author = (Element) entry.getElementsByTagName("name").item(0); String titleStr = title.getFirstChild().getNodeValue(); String authorStr = author.getFirstChild().getNodeValue(); //tag:youtube.com,2008:video:2TCLeIyBwoU videoUrl = "http://www.youtube.com/watch?v=" + id.getFirstChild().getNodeValue().split(":video:")[1]; YouTubeResult ytr = new YouTubeResult(titleStr, videoUrl, authorStr); //ytr.title = titleStr; //ytr.url = videoUrl; //ytr.author = authorStr; //System.out.println(entry.toString()); output.add(ytr); //System.out.println(ytr); // VideoCell cell = new VideoCell(titleStr); // Process a newly found earthquake // addVideoCellToArray(cell); } } } } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ParserConfigurationException e) { e.printStackTrace(); } catch (SAXException e) { e.printStackTrace(); } finally { } return output; } </code></pre> <p>The only problem is when the user pressed the back button to exit the Youtube app and go back into the Activity. It force closes giving a NullPointer exception with the Variable Search.</p> <p>What can i do to fix this?</p> <p>Ive tried saving it in a bundle and then pulling it out, but no luck. I am using Fragment BTW.</p>

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