On Thu, Jan 19, 2012 at 11:14 AM, petter <[email protected]> wrote:
> How can I get a user-defined sysproperty in an Android app?
There is no such concept in Android.
> In a plain Java app I can do something like:
>
> <target name="run" depends="git.revision">
> <java classname="main" fork="true">
> <sysproperty key="git.revision" value="${git.revision}"/>
> </java>
> </target>
>
> And in main.java I do:
>
> String gitSha1 = System.getProperty("git.revision");
>
> But how can I do this in an Android App?
You don't, because you aren't in control of the VM.
> I can get predefined system
> properties like "java.specification.vendor" etc. but I don't know how
> to attach my userdefined sysproperty to the dex generation.
You don't, because "userdefined sysproperty" has nothing to do with
"dex generation" any more than it does "stock Java VM bytecode
generation". As you note, in standard Java, you are defining system
properties via command-line arguments -- there are no command-line
arguments for SDK apps.
> I can also get around this by generating a source file containting the
> properties, but I was hoping for a more suitable method.
You could generate a resource file containing the properties (e.g., an
XML resource).
Or, generate an asset file containing the properties.
Or, drop the properties entirely.
--
Mark Murphy (a Commons Guy)
http://commonsware.com | http://github.com/commonsguy
http://commonsware.com/blog | http://twitter.com/commonsguy
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