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How do I determine the revision number of an Android build?

Answer 1

+1 A:

I'm not sure which revision you're reffering to, but the revision you set in your manifest file you can get with the following code:

paramContext is your Context object

    PackageManager localPackageManager = paramContext.getPackageManager();
    PackageInfo localPackageInfo = localPackageManager.getPackageInfo(paramContext.getPackageName(), 0);
    String version = localPackageInfo.versionName;

If you want to extract the build version, use this code:

String version = Build.VERSION.RELEASE;

Roflcoptr 2010-05-25 07:41:30

I guess you only read the title, and not the actual question? I am referring to Android versions and revision. The first part of your answer does me no good. The RELEASE string you point to contains the name of the release, and is basically undocumented. So thanks for replying, but my question remains unanswered.

hermo 2010-05-25 13:45:28

Have you ever tested my answer before complaing about it? It's not my problem that it is not well documented.I installed only for you revision1 of android 2.1 and then Build.VERSION.RELEASE returns 2.1. Then i installed revision2 of android2.1 and then Build.VERSION.RELEASE returned: 2.1-update1

Roflcoptr 2010-05-25 14:51:39

edit/add: So it should be clearly possible to distinguish different revisions of the same version.

Roflcoptr 2010-05-26 00:04:21

Sorry if I sounded a bit grumpy, didn't mean to complain about your answer but the first part of it had nothing to do with the question. I agree it should be possible to do it, but the question is still: how to do it.

hermo 2010-05-27 02:42:38

The RELEASE string being undocumented (which I never said was your fault BTW:) means I don't know what value it will have in coming revisions, I can only guess. And to know what values it has in existing revisions I have to check all of them. As a software developer I wouldn't call this an acceptable solution, so I will hold out a bit longer hoping there is a better answer, or that someone can convince me that there is no other solution. Cheers.

hermo 2010-05-27 02:43:00

yes ok. then i'll hope someone will find a better solution. I thought you were only concerned about 2.1 and 2.2.

Roflcoptr 2010-05-27 07:38:53

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How do I determine the revision number of an Android build?

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