W3C home > Mailing lists > Public > public-bpwg@w3.org > February 2008

Re: Suggested BP for BP2

From: Paul Walsh <paul@segala.com>
Date: Thu, 21 Feb 2008 18:06:23 +0000
Message-Id: <970984E5-67F9-414D-B435-AEFF8D1176BA@segala.com>
Cc: "Jo Rabin" <jrabin@mtld.mobi>, "MWI BPWG Public" <public-bpwg@w3.org>
To: Sean Owen <srowen@google.com>

I like it Sean. I'm not so sure about referencing Apple's Web site  
though. As much as I love apple (I own just about everything you can  
imagine), they're not exactly follow open standards in the  
traditional sense of the word.

What do you think?

Cheers
Paul

On 21 Feb 2008, at 15:24, Sean Owen wrote:

> In this spirit, let me also name a resource from Apple that I think is
> in the spirit of what we're trying to produce, and should probably be
> referenced:
>
> http://developer.apple.com/iphone/devcenter/designingcontent.html
>
> Some general principles that this suggests that seem more broadly
> applicable to whatever-it-is-we're-writing-about include:
>
>
> Designing for a pointer. The browser may have a pointer of some kind
> which loosens some restrictions on designing inputs for mobile
> devices, which historically haven't had this.
>
>
> Designing for touch. ... and that pointer may be someone's finger.
> Clickable elements need to be large enough to tap with a finger tip
> without hitting other elements. Buttons should be large or have a dead
> zone around them that makes it difficult to accidentally miss an input
> and click something else.
>
>
> Stick to standards. We probably want to reiterate that correctly
> following standards is always good. Validate your markup, etc.
> Further, we recommend sticking to.. XHTML 1.x, CSS 2? while on this
> topic can we recommend sticking to not only GIF and JPG, but PNG too?
>
>
> If applicable, use media selectors to target advanced mobile devices.
> I'm thinking of noting that this can be used to target a small-ish
> screen, as Apple suggests:
> <link media="only screen and (max-device-width: 480px)"
> href="small-device.css" type="text/css" rel="stylesheet" />
>
>
> Set a viewport size. Again cribbing from Apple, this is probably one
> of the biggest BPs in my mind for writing for advanced mobile devices:
> <meta name="viewport" content="width = 320" />
> <meta name="viewport" content="initial-scale=2.3, user-scalable=no" />
>
>
> Embed video properly (??). I am not sure if there is a BP here but
> Apple is noting a recommended way to embed video:
> <embed src="poster.jpg" href="movie.m4v" type="video/x-m4v"
> target="myself" scale="1" ...>
>
>
> Before I write up more for thought -- does anyone think this is on, or
> off, the right track?
>
>
>
> On Wed, Feb 20, 2008 at 7:04 AM, Jo Rabin <jrabin@mtld.mobi> wrote:
>>
>>
>>
>>
>> Use tel: scheme to take advantage of the telephony capability of  
>> the device.
>>
>>
>>
>> Given that the device is often also a telephone, use of such  
>> schemes help
>> the user to use non Web capabilities in a range of applications  
>> such as
>> listings, contact and so on. Other schemes that may be considered  
>> include
>> sms:, wtai: 
>>
>>
>>
>> Jo
>>
>>

----
Paul Walsh
Segala, CEO

Web site http://segala.com
Blog http://segala.com/blog
Twitter http://twitter.com/PaulWalsh

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Received on Thursday, 21 February 2008 18:07:06 UTC

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