Purdue Pride 1

Purdue Pride4.7.10

Joe GutierrezTung Ho

Janam Jhaveri

4/7/2010

Purdue Pride 2

Timeline

•7 weeks

•March 10th: Widget, RSS tutorials

•March 24th: RSS Feed

•April 7th: SQL Lite Database (currently working on)

•April 21st: Widget

•April 28th: Work off any loose ends

4/7/2010

Purdue Pride 3

Milestones

•Website with RSS feed is set up (3.3.10)

•Basic widget displays hard-coded text (3.10.10)

•Successfully store and recall data from SQL Lite with an application (3.24.10)

•Successfully retrieve and display RSS feed onto view (4.1.10)

4/7/2010

Purdue Pride 4

Database Code

public class PrideDB {

private static final String FEEDS_TABLE = "feeds"; private static final String DATABASE_NAME = "pride";

private static SQLiteDatabase db; public PrideDB(Context ctx) {

db = ctx.openOrCreateDatabase(DATABASE_NAME, 0, null); //API change

}

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Purdue Pride 5

Database Code

public static boolean insertItem(String title, String description) { ContentValues values = new ContentValues(); values.put("title", title); values.put("description", description); return(db.insert(FEEDS_TABLE, null, values) > 0);

} public boolean deleteItem(Long feedID) {

return(db.delete(FEEDS_TABLE, "feed_id=" + feedID.toString(), null) > 0); } public static List<RSSItem> getItems() {

ArrayList<RSSItem> feeds = new ArrayList<RSSItem>(); try {

Cursor c = db.query(FEEDS_TABLE, new String[] {"feed_id", "title", "description"} , null, null, null, null, null); int numRows = c.getCount(); //API change for( int i =0; i < numRows; ++i) { RSSItem item = new RSSItem(); item.feedId = c.getLong(0); item.title = c.getString(1); item.description = c.getString(2); feeds.add(item); c.moveToNext(); //API change } }

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Purdue Pride 6

Database Code

catch (SQLException e) { Log.e("PurduePride",e.toString()); }

return feeds; } public static RSSItem getItem() {

RSSItem item = new RSSItem(); try {

Cursor c = db.query(FEEDS_TABLE, new String[] {"feed_id", "title", "description"} , null, null, null, null, null); item.feedId = c.getLong(0); //item.title = c.getString(1); //item.description = c.getString(2);

} catch (SQLException e) { Log.e("PurduePride",e.toString()); }

return item; } }

4/7/2010

Purdue Pride 7

RSS Handler

if (item.title != null) { PrideDB.insertItem(item.title, item.description); item.title = null; item.description = null; /*itemsAdded++; if (itemsAdded >= ARTICLES_LIMIT) { throw new SAXException(); } */ }

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Purdue Pride 8

Pride RSS

4/7/2010

handler.setContext(this);

Purdue Pride 9

Widget XML

4/7/2010

<?xml version="1.0"?> //XML file with some metadata about the widget. "Called" in main Widget Java file

<appwidget-provider xmlns:android="http://cobweb.ecn.purdue.edu/~vipfor/index.html" //Dimensions of the widget android:minWidth="240dp" android:minHeight="300dp" //Update rate of the Widget (set to once every 24 hrs) android:updatePeriodMillis="86400000" //Layout of widget to be initialized android:initialLayout="@layout/purduepridewidget" //Configuration activity to automatically launch widget android:configure="com.vip.pruduepride.purdueprideConfigure" ></appwidget-provider>

<receiver android:name="PurduePrideWidget" > <intent-filter> <action android:name="android.appwidget.action.APPWIDGET_UPDATE" /> </intent-filter> <meta-data android:name="android.appwidget.provider" android:resource="@xml/WidgetXML" /> </receiver>

Purdue Pride 10

Next Task

4/7/2010

April 7th: Have RSS feed interacting with database (in Progress)

April 21st: Display RSS feed onto Widget