Difference between revisions of "Nintendo DSi Browser"

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=== Vertical mode ===
 
=== Vertical mode ===
  
−
To active the vertical mode automatically, add this tag between <head></head> :
+
To active the vertical mode automatically, add one of the following tags between <head></head> :
  
 +
<meta name="viewport" content="width=device-width">
 
  <meta name="viewport" content="width=240">
 
  <meta name="viewport" content="width=240">
  
−
You can test that with a demo page on my website : [http://www.cashman-productions.fr.nf/dsi/ here]
+
Using device-width will adapt the page to the width of other mobile devices.
 +
 
 +
You can test this mode with the following demo page: [http://www.cashman-productions.fr.nf/dsi/ here]
 +
 
 +
== Screen Resolution ==
 +
 
 +
The DSi screen resolution is 256x192. However, the viewable area in the browser is only <b>240x176</b>. Both screens provide the same viewable area.
 +
 
 +
In vertical mode, you can have a page span both screens. However, the browser will behave as if the bottom screen is the only active screen and the top screen is scrolled off. This is important when computing CSS coordinates. Items positioned from "bottom" will be positioned based on 176px and not the full 352px of both screens.
 +
 
 +
== Using Both Screens ==
 +
 
 +
Here's how your webpage can span both screens:
 +
 
 +
# Use the meta tag to set vertical mode
 +
# Ensure that your page takes up exactly 240x352 pixels.
 +
# Add the following JavaScript just before the </body> tag:
 +
 
 +
<script>document.body.scrollTop = 176;</script>
 +
 
 +
Generally the easiest way to accomplish the correct layout is to create HTML elements that "contain" the top and bottom screens. Here's an example:
 +
 
 +
<html>
 +
  <head>
 +
    <meta name="viewport" content="width=240">
 +
    <style>
 +
      body { margin: 0px; }
 +
      #topscreen, #bottomscreen { width: 240px; height: 176px; }
 +
    </style>
 +
  </head>
 +
  <body>
 +
    &lt;div id="topscreen">Top Screen&lt;/div>
 +
    &lt;div id="bottomscreen">Bottom Screen&lt;/div>
 +
  </body>
 +
</html>
 +
 
 +
This scheme allows the page to be easily manipulated through JavaScript.
  
 
=== Detect User Agent ===
 
=== Detect User Agent ===
Line 108: Line 145:
 
* Left and Right can be read only if L or R are held
 
* Left and Right can be read only if L or R are held
 
* Holding L or R disables the A button
 
* Holding L or R disables the A button
 +
 +
== Example Sites ==
 +
<!-- If you have a website that demonstrates these techniques, place it here! -->
 +
* [http://www.cashman-productions.fr.nf/dsi/ Vertical test page]
 +
* [http://www.dsicade.com DSiCade]
  
 
== See also ==
 
== See also ==

Revision as of 16:22, 21 April 2009

Browse the web with the second edition of the Opera browser for DSi. The browser use Opera 9.50. This application is available on the Nintendo DSi Shop. It's free.

Features/Limitations

Feature Supported
Audio No
Canvas Limited
CSS2 Yes
CSS3 Partial (test here)
DOM Yes
DOM2 Yes
Javascript Yes
File Download No
File Upload No
Flash No
HTML5 Partial
Plugins No
SVG No
Video No
XHTML Yes
XMLHttpRequest Yes

User Agent strings

Sample DSi Browser User Agent Strings :

  • Opera/9.50 (Nintendo DSi; Opera/483; U; en-US)
  • Opera/9.50 (Nintendo DSi; Opera/483; U; en-GB)

Tips

Vertical mode

To active the vertical mode automatically, add one of the following tags between <head></head> : 

<meta name="viewport" content="width=device-width">
<meta name="viewport" content="width=240">

Using device-width will adapt the page to the width of other mobile devices.

You can test this mode with the following demo page: here

Screen Resolution

The DSi screen resolution is 256x192. However, the viewable area in the browser is only 240x176. Both screens provide the same viewable area.

In vertical mode, you can have a page span both screens. However, the browser will behave as if the bottom screen is the only active screen and the top screen is scrolled off. This is important when computing CSS coordinates. Items positioned from "bottom" will be positioned based on 176px and not the full 352px of both screens.

Using Both Screens

Here's how your webpage can span both screens:

  1. Use the meta tag to set vertical mode
  2. Ensure that your page takes up exactly 240x352 pixels.
  3. Add the following JavaScript just before the </body> tag:
<script>document.body.scrollTop = 176;</script>

Generally the easiest way to accomplish the correct layout is to create HTML elements that "contain" the top and bottom screens. Here's an example: 

<html>
  <head>
    <meta name="viewport" content="width=240">
    <style>
      body { margin: 0px; }
      #topscreen, #bottomscreen { width: 240px; height: 176px; }
    </style>
  </head>
  <body>
    <div id="topscreen">Top Screen</div>
    <div id="bottomscreen">Bottom Screen</div>
  </body>
</html>

This scheme allows the page to be easily manipulated through JavaScript.

Detect User Agent

To detect if the user agent is Nintendo DSi Browser : 

<script type="text/javascript">
     window.onload=function() 
     {
         if (navigator.userAgent.indexOf('Nintendo DSi') == -1) //If the UserAgent is not "Nintendo DSi"
         {
               location.replace('http://www.dsibrew.org'); //Redirect to an other page
         }
     }
</script>

Key Codes

Code Button
13 A
37 Left
38 Up
39 Right
40 Down

Notes :

  • Only A, Up, and Down normally emit codes
  • Left and Right can be read only if L or R are held
  • Holding L or R disables the A button

Example Sites

See also

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