Posts tagged ‘pocketpc’

Mobile development – a WiFi signal strength indicator

Here is one more windows mobile taskbar addon. I have seen many people are interested in these small widgets. This one shows the signal strength of the current associated access point in your taskbar.

The code is the same as with the other taskbaraddons you find here, only the code for wireless signal strength has been added. Oh, yes, and this addon uses small bitmaps to show the signal strength.

To get the signal strength I use part of PeekPocket code submission at CodeProject. I only need the name of the first wireless adapter.

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The Pocket or Mobile Internet Explorer

Unfortunately, there is no in depth information about the Pocket or Mobile Internet Explorer (PIE) comaptibility. So I can only give some suggestions. But I hope this informations will help you getting started and don’t run into trouble.First, although M$ states, that PIE is compatible to Internet Explorer 4.1, 5.0, 5.5 or 6.0, depending on the OS level you run on a windows ce based device, this is only a general statement:

Pocket Internet Explorer has been updated to support the following:

HTML 4.01
Extensible HTML (XHTML)
Cascading style sheets
Microsoft Jscript® version 5.5
Enhanced scripting and Document Object Model support
Wireless Markup Language (WML) 2.0 (XHTML + WML 1.x)
Internet Protocol version 6 (IPv6) in IPv4/IPv6 mixed-mode environments
New extensible imaging library

From TechEd powerpoint

HTML 3.2 Compliant
JavaScript 1.1 compliant
XML Object Model
Active X support (no download!)
HTML 3.2-based object model
   Not the IE4 OM
Core script support:
   Scripting against FORM elements
   Scripting against the XML OM<
Not supported:
   Dynamic frameset creation
   Dynamic script generation

If you try some more special functions of the desktop IE versions, you will find the limits very fast. In example, the OnKey() event is not supported in any of the actual CE OS versions (<=6). XML Dataislands support is very limitted.

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