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Viewing changes to src/com/robinj/omgubuntu/MainActivity.java

  • Committer: Robin Jacobs
  • Date: 2012-09-07 18:03:30 UTC
  • Revision ID: broederjacobs@gmail.com-20120907180330-b6vk75ks5t0odu4f
Initial Launchpad release

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src/com/robinj/omgubuntu/MainActivity.java
 
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package com.robinj.omgubuntu;
 
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import java.net.URL;
 
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import java.util.ArrayList;
 
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import java.util.List;
 
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import android.net.Uri;
 
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import android.os.Bundle;
 
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import android.app.Activity;
 
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import android.app.AlertDialog;
 
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import android.app.Notification;
 
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import android.app.NotificationManager;
 
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import android.app.PendingIntent;
 
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import android.content.Context;
 
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import android.content.DialogInterface;
 
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import android.content.Intent;
 
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import android.util.Log;
 
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import android.view.Menu;
 
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import android.view.View;
 
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import android.webkit.WebView;
 
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import android.widget.ListView;
 
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import javax.xml.parsers.DocumentBuilder;
 
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import javax.xml.parsers.DocumentBuilderFactory;
 
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import javax.xml.parsers.SAXParser;
 
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import javax.xml.parsers.SAXParserFactory;
 
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import org.w3c.dom.Document;
 
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import org.w3c.dom.NodeList;
 
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import org.w3c.dom.Node;
 
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import org.w3c.dom.Element;
 
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import org.xml.sax.InputSource;
 
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import org.xml.sax.XMLReader;
 
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public class MainActivity extends Activity
 
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{
 
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        String newLine = System.getProperty ("line.separator");
 
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        List<String[]> lastData;
 
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        @Override
 
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        public void onCreate(Bundle savedInstanceState)
 
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        {
 
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                super.onCreate (savedInstanceState);
 
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                setContentView (R.layout.activity_main);
 
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        }
 
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        @Override
 
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        public boolean onCreateOptionsMenu(Menu menu)
 
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        {
 
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                getMenuInflater ().inflate (R.menu.activity_main, menu);
 
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                return true;
 
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        }
 
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        /*public String GetFromUrl (String address)
 
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        {
 
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                String output = null;
 
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                URL url = new URL (address);
 
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                InputStream stream = url.openStream ();
 
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                DataInputStream dstream = new DataInputStream (new BufferedInputStream (stream));
 
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                String line = null;
 
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                while ((line = dstream.readLine ()) != null)
 
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                {
 
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                        output += line;
 
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                }
 
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                return output;
 
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        }*/
 
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        public void showDialog(String message)
 
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        {
 
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                AlertDialog dlg = new AlertDialog.Builder (this).create ();
 
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                dlg.setMessage (message);
 
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                dlg.setButton ("OK", new DialogInterface.OnClickListener ()
 
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                {
 
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                        public void onClick(DialogInterface dialog, int which)
 
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                        {
 
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                                dialog.dismiss ();
 
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                        }
 
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                });
 
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                dlg.show ();
 
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        }
 
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        public void logo_clicked(View view)
 
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        {
 
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                Intent browserIntent = new Intent (Intent.ACTION_VIEW, Uri.parse ("http://www.omgubuntu.co.uk/"));
 
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                startActivity (browserIntent);
 
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        }
 
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        public void btnRefresh_clicked(View view)
 
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        {
 
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                try
 
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                {
 
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                        WebView web = (WebView) findViewById (R.id.web);
 
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                        List<String[]> data = getArticles ();
 
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                        String css = "html, body { background: white; color: black; font-family: \"Ubuntu\", \"Droid Sans\"; margin: 0px; padding: 0px 2px 0px 2px; }" +
 
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                                                "div.item { margin: 2px 0px 2px 0px; }" +
 
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                                                "a { color: black; text-decoration: none; font-weight: bold; }" +
 
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                                                "span.title { font-size: 16px; }" +
 
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                                                "span.date { color: #888888; font-size: 10px; font-weight: normal; }" +
 
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                                                "hr { background-color: #ABABAB; height: 0px; }";
 
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                        String html = "<html>" +
 
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                                        "<head>" +
 
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                                        "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />" +
 
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                                        "<style type=\"text/css\">" + css + "</style>" +
 
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                                        "</head>" +
 
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                                        "<body>";
 
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                        for (int i = 0; i < data.size (); i++)
 
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                        {
 
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                                html += (i < 1 ? "" : "<hr />") +
 
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                                                "<div class=\"item\">" +
 
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                                                "<a href=\"" + data.get (i)[1] + "\"><span class=\"title\">" + data.get (i)[0] + "</span></a><br />" +
 
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                                                "<a href=\"" + data.get (i)[1] + "\"><span class=\"date\">" + data.get (i)[2] + "</span><a /><br />";
 
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                        }
 
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                        html += "</body>" +
 
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                                        "</html>";
 
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                        web.clearView ();
 
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                        web.loadData (html, "text/html", null);
 
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                        if (data.get (0)[0].equals (lastData.get (0)[0])) //FIXME//
 
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                        {
 
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                                String notificationService = Context.NOTIFICATION_SERVICE;
 
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                                NotificationManager notificationManager = (NotificationManager) getSystemService (notificationService);
 
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                                int icon = R.drawable.ic_launcher;
 
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                                CharSequence ticker = "OMG! New articles!";
 
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                                long time = System.currentTimeMillis ();
 
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                                Notification notification = new Notification (icon, ticker, time);
 
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                                Context context = getApplicationContext ();
 
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                                CharSequence title = "OMG! Ubuntu!";
 
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                                CharSequence message = "OMG! New articles!";
 
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                                Intent notificationIntent = new Intent (this, MainActivity.class);
 
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                                PendingIntent contentIntent = PendingIntent.getActivity (this, 0, notificationIntent, 0);
 
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                                notification.setLatestEventInfo (context, title, message, contentIntent);
 
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                                final int HELLO_ID = 1;
 
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                                notificationManager.notify (HELLO_ID, notification);
 
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                        }
 
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                        else
 
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                        {
 
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                                lastData = data;
 
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                        }
 
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                } 
 
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                catch (Exception ex)
 
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                {
 
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                        showDialog ("Error!" + newLine + newLine + ex.getMessage ());
 
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                }
 
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        }
 
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        public List<String[]> getArticles ()
 
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        {
 
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                List<String[]> data = new ArrayList<String[]>();
 
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                try
 
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                {
 
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                        DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance ();
 
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                        DocumentBuilder dBuilder = dbFactory.newDocumentBuilder ();
 
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                        Document doc = dBuilder.parse ("http://feeds.feedburner.com/d0od?format=xml");
 
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                        doc.getDocumentElement ().normalize ();
 
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                        NodeList items = doc.getElementsByTagName ("item");
 
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                        for (int i = 0; i < items.getLength (); i++)
 
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                        {
 
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                                Node item = items.item (i);
 
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                                if (item.getNodeType () == Node.ELEMENT_NODE)
 
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                                {
 
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                                        NodeList tags = item.getChildNodes ();
 
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                                        String title = null;
 
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                                        String link = null;
 
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                                        String date = null;
 
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                                        String content = null;
 
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                                        for (int j = 0; j < tags.getLength (); j++)
 
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                                        {
 
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                                                Node tag = tags.item (j);
 
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                                                if (tag.getNodeName ().equals ("title"))
 
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                                                        title = tag.getTextContent ();
 
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                                                else if (tag.getNodeName ().equals ("link"))
 
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                                                        link = tag.getTextContent ();
 
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                                                else if (tag.getNodeName ().equals ("pubDate"))
 
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                                                        date = tag.getTextContent ();
 
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                                                else if (tag.getNodeName ().equals ("content"))
 
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                                                        content = tag.getTextContent ();
 
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                                        }
 
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                                        String[] article = {title, link, date, content};
 
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                                        data.add (article);
 
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                                }
 
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                        }
 
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                }
 
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                catch (Exception ex)
 
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                {
 
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                        showDialog ("Aie caramba!" + newLine + newLine + ex.getMessage ());
 
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                }
 
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                return data;
 
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        }
 
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}