Thank you, I think I'll give it a miss in that case until its fixed for older API's, as I want to make the application available to a wider audience.

On 20/06/2011 6:36 PM, Tor Norbye wrote:
On Mon, Jun 20, 2011 at 10:26 AM, Simon Platten
<simonaplat...@googlemail.com>  wrote:
According to the Android link I posted earlier, this functionality has been
available since version 1 of the API.  My target is currently set for
Android 2.1

http://developer.android.com/reference/android/widget/TabWidget.html

Top right, "Since: API Level 1"
Note that the Rendering Target is not the same as the project SDK
target. You can have your project targeted at say Android 2.1, but
still -render- the page with Android 3.0. The rendering target is a
tool-specific thing which lets you choose which version of Android you
want us to render your layout with, regardless of what the -minimum-
version of your project is set to.

The layout editor uses a "layout library" to render the layout for any
given SDK, and that's what the rendering-target is really selecting.
There is a separate version of this layout library, one for each
version of the SDK.

TabHosts were not handled correctly by the layout library until
recently; it was fixed in the 3.0 version, and that fix is being
-backported- to earlier versions.

For now, you're going to get much more accurate (WYSIWYG) layouts if
you use the latest version of the rendering library possible. The best
versions are the preview bits released at
http://tools.android.com/download/ (the latest bits also require the
ADT 12 preview version). If you want to stick with the official bits,
you can use ADT 11 but make sure you pick Android 3.0 or Android 3.1
as the rendering target. As soon as the new layout library ports are
done this will work with older rendering targets as well.

-- Tor


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