| author | Eugene Ostroukhov <eugeneo@symbian.org> |
| Thu, 11 Mar 2010 18:00:58 -0800 | |
| changeset 261 | a691cdb6c78a |
| parent 230 | 7848c135d915 |
| 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="Hello World" /> |
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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_Creating_the_Hello_World_widget-GUID-d638159a-d12b-476c-a74c-99055672b7be.html" /> |
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<meta content="XHTML" name="DC.Format" /> |
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<meta content="GUID-67E0A561-48AC-4938-8F1B-852422B71380" 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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Hello World</title> |
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</head> |
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<body id="GUID-67E0A561-48AC-4938-8F1B-852422B71380"><a name="GUID-67E0A561-48AC-4938-8F1B-852422B71380"><!-- --></a> |
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<h1 class="topictitle1"> |
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Hello World</h1> |
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<div> |
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<p> |
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Whenever you are learning a new programming language or API, the first example |
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you will find is usually called "Hello World" and the WRTKit is no exception. |
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Like most "Hello World" applications this one will be very simple and short, but |
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before we start we'll take a look at what we will need to build the example. |
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</p> |
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<p> |
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The WRTKit already contains all the files that will be created in this tutorial. |
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If you go to the "Examples" directory in the WRTKit SDK you will find a directory |
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called "HelloWorld". This directory contains all the files necessary for the widget |
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and all you have to do to try it out on a handset or S60 emulator is to zip up the |
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directory, rename the file to "HelloWorld.wgz" and follow the usual steps to install |
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a widget on the handset or emulator. |
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</p> |
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<p> |
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The WRTKit Hello World widget is very similar to any other S60 Web Runtime widget. |
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You have an Info.plist file that defines the metadata for the widget, such as its |
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name, version and main HTML file and you have the icon of the widget in a file called |
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Icon.png. The main HTML file for the Hello World widget is called "HelloWorld.html". |
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But it's here that things start to get a little bit different because we're using |
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the WRTKit to create our user interface. |
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</p> |
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<p> |
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If we didn't use the WRTKit then the HelloWorld.html file would probably contain |
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the text "Hello World" between the <body> and </body> tags, and that |
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would be it. But when you use the WRTKit you create your user interface using |
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JavaScript rather than HTML. This might sound scary and difficult at first but it |
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actually saves you a lot of typing and gives you a lot of things for free that |
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you would otherwise have to take care of yourself. Our Hello World widget will be |
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quite a bit fancier than one created with just HTML and it will still be very |
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short and simple. |
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</p> |
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<p> |
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The directory also contains a HelloWorld.js file and a WRTKit directory but we |
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will not talk about those quite yet. |
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</p> |
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<p> |
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Even though we have already created all the files for you, you might want to |
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type in the code yourself. Either way you will need a text editor. Any text editor |
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will do really but it will make your life considerably easier if you have one that |
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is specialized for programming and offers syntax highlighting for HTML, CSS |
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and JavaScript. |
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</p> |
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<p> |
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Finally, you will need a handset or emulator that includes the S60 Web Runtime. |
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You can actually work with the WRTKit even without the S60 Web Runtime because |
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the WRTKit works in a normal standards-compliant web browser such as Firefox. |
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But since a PC computer and web browser is quite different from a mobile device |
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it is still recommended that you test your widget on actual devices in order |
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to get a feel for what the widget will actually look and feel like. For quick |
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tests in a PC web browser though, all you have to do is open up the main HTML file |
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in the browser and things should work without any changes to the code. |
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</p> |
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<p> |
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No other tools or libraries are needed and you're now set to start working on |
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the Hello World widget. |
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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_Creating_the_Hello_World_widget-GUID-d638159a-d12b-476c-a74c-99055672b7be.html">Creating the Hello World widget</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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Fixed 2046 - WRTKit Help. Renamed package for consistency.
tasneems@symbian.org
parents:
diff
changeset
|
112 |
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7848c135d915
Fixed 2046 - WRTKit Help. Renamed package for consistency.
tasneems@symbian.org
parents:
diff
changeset
|
113 |
</body> |
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7848c135d915
Fixed 2046 - WRTKit Help. Renamed package for consistency.
tasneems@symbian.org
parents:
diff
changeset
|
114 |
</html> |