| author | tasneems@symbian.org |
| Thu, 04 Mar 2010 15:42:37 -0800 | |
| changeset 220 | 41890dfa56f5 |
| permissions | -rw-r--r-- |
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<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
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<html lang="en" xml:lang="en"> |
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<head> |
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<meta content="text/html; charset=utf-8" http-equiv="Content-Type" /> |
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<meta name="copyright" content="(C) Copyright 2005" /> |
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<meta name="DC.rights.owner" content="(C) Copyright 2005" /> |
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<meta content="concept" name="DC.Type" /> |
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<meta name="DC.Title" content="RSS Reader" /> |
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<meta scheme="URI" name="DC.Relation" content="WRTKit_Tutorials-GUID-506c11e3-e6f3-43ec-9495-fcfa638b7e08.html" /> |
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<meta scheme="URI" name="DC.Relation" content="WRTKit_RSS_Reader_first_steps-GUID-db42b227-1647-4020-bdb9-dacb26771779.html" /> |
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<meta scheme="URI" name="DC.Relation" content="WRTKit_RSS_Reader_user_interface-GUID-1083a0c4-a953-4b6e-a4d0-45a031e51c35.html" /> |
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<meta scheme="URI" name="DC.Relation" content="WRTKit_Feed_updates-GUID-25cd0e54-0516-4469-965e-c5781cf44dc9.html" /> |
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<meta content="XHTML" name="DC.Format" /> |
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<meta content="GUID-678D197F-C7B0-4E5E-85E2-F8549C75BBE8" name="DC.Identifier" /> |
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<meta content="en" name="DC.Language" /> |
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<link href="commonltr.css" type="text/css" rel="stylesheet" /> |
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<title> |
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RSS Reader</title> |
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</head> |
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<body id="GUID-678D197F-C7B0-4E5E-85E2-F8549C75BBE8"><a name="GUID-678D197F-C7B0-4E5E-85E2-F8549C75BBE8"><!-- --></a> |
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<h1 class="topictitle1"> |
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RSS Reader</h1> |
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<div> |
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<p> |
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The RSS Reader example is the first complete, working widget that actually |
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does something useful that you will create using the WRTKit. It is quite a bit |
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more complex than the Hello World example, but then again it also contains |
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a lot more functionality. |
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</p> |
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<p> |
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For the Hello World widget we covered a lot of very fine details but for the |
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RSS Reader it is assumed that the reader already knows the basics of how to |
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create a widget, deploy it, test it, and so on. If you skipped the Hello World |
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tutorial and feel that you're not comfortable with the basics of creating |
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widgets yet then it's recommended that you go back and read the Hello World |
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widget tutorial first and then come back and continue with the RSS Reader. |
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</p> |
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<p> |
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The RSS Reader that we're going to build in this tutorial will have two views: |
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a main view that displays news items from an RSS feed and a settings view where |
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the user can configure what news feed should be displayed in the main view and |
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how often it should be updated from the Internet. We will let users choose from |
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a list of feeds that we will pre-configure. In principle you can use whatever |
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RSS feeds you want in your own widget but it's probably best to test first with |
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the ones we have in our example since they have been tested and known to work. |
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</p> |
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<p> |
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The actual news feed items will be displayed as a list of foldable content |
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panels on the main view. The panels allow the user to see the headline for each |
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piece of news and clicking on the headline will expand the news item so that the |
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actual story summary can be read. At the bottom of the summary we'll place a |
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link to the full story in a similar fashion to many other RSS reader applications. |
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</p> |
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<p> |
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We will also implement a couple of features to make the widget more user friendly. |
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For example the first time when the widget is started we'll go directly to the |
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settings view to let the user configure the widget before the first use. We'll |
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also show helpful information such as loading progress and any error messages in |
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notification popup windows. And of course all configuration settings will be |
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persistent so that the user doesn't have to re-configure the widget every time |
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its started. |
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</p> |
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<p> |
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In order to make the widget similar to other S60 applications, we will tweak |
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the softkeys and Options menu so that the settings view can be reached from the |
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menu and so that the right softkey will let the user go back from the settings |
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view to the main view. In the main view the right softkey will be used to exit |
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the widget. We will also allow the user to manually force a refresh of the news |
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items by adding a "Refresh" option to the options menu. |
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</p> |
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<p> |
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And last but not least, we'll implement the widget so that it will work in a |
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standards-compliant PC web browser such as Firefox. This will allow you to test |
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and debug the widget quickly as you develop it on your PC. |
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</p> |
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</div> |
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<div> |
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<ul class="ullinks"> |
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<li class="ulchildlink"><strong><a href="WRTKit_RSS_Reader_first_steps-GUID-db42b227-1647-4020-bdb9-dacb26771779.html">First steps</a></strong><br /> |
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</li> |
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<li class="ulchildlink"><strong><a href="WRTKit_RSS_Reader_user_interface-GUID-1083a0c4-a953-4b6e-a4d0-45a031e51c35.html">RSS Reader user interface</a></strong><br /> |
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</li> |
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<li class="ulchildlink"><strong><a href="WRTKit_Feed_updates-GUID-25cd0e54-0516-4469-965e-c5781cf44dc9.html">Feed updates</a></strong><br /> |
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</li> |
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</ul> |
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<div class="familylinks"> |
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<div class="parentlink"><strong>Parent topic:</strong> <a href="WRTKit_Tutorials-GUID-506c11e3-e6f3-43ec-9495-fcfa638b7e08.html">WRTKit Tutorials</a></div> |
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</div> |
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</div> |
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</body> |
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</html> |