Hi,

I got the same error messages when I tried to use the library provided with 
the v7 compatibility package plus another one:

..\gridlayout_v7\res\values\attrs.xml:22: error: Attribute "orientation" 
has already been defined

I tried both adding the project via ADT and importing it manually into my 
workspace. The former resulted into an empty gridlayout_v7 folder and the 
latter returned the error messages above plus a problem in the generated 
R.java: A closing curly brace is missing at the end of the file to close 
the R class. But I suppose that is a consecutive fault of the errors above?

Also: ADT installs the support package every time I try to add a GridLayout 
to a layout.xml file, even though it should be clearly marked as installed.

I suppose I cannot just use the .jar file provided in the lib package, can 
I? The .xml files in the values folder seem to be responsible for the 
export of some style variables.

Kind regards

Christian Geschkat

On Thursday, 22 March 2012 20:06:16 UTC+1, André Luiz R. Silva wrote:
>
> Someone use GridLayout  (ADT-17) in v7?
>
> Errors:
> [GridLayoutTest] ERROR: In <declare-styleable> GridLayout_Layout, unable 
> to find attribute android:layout_marginEnd
> [GridLayoutTest] ERROR: In <declare-styleable> GridLayout_Layout, unable 
> to find attribute android:layout_marginStart
>
> Use <sdk>/extras/android/support/​v7/gridlayout.
>
> -- 
> *Atenciosamente,
>
> André Luiz R. Silva
> @andreronsilva*
>
> 

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