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I have an app on Google Play whose java package name has the last part in mixed-case.. I was looking to remove an Android Lint warning (see this question) and Jens made me notice that Java naming conventions say that you should use only lowercase letters for java package names, and maybe this is what causes the warning.. My app works correctly, but I'd like to change the package name to lowercase, to comply with java naming conventions.. If I change the name of the package to only-lowercase, will I break the correct behavior of Google Play? I.e., if I release a new version of the app with the new package name Android will not recognize it as the same app installed on devices and it will appear as a completely different app? Do you suggest me simply to ignore this mistake and remember to comply with naming conventions in my next project or could I have problems (worse than simple Lint warnings) with the mixed-case package name?
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We recommend you always put a name on the package, preferably the correct name, to avoid misdelivery, failed delivery attempts, lost packages, or similar.
The package name should match the GitHub repository name and is case-sensitive.
It shouldn't matter. In case you still wish to change, you have to unpublish your app and publish it as a new app. This is because Google identifies your app through you bundle ID, or package name as it is called. So you cannot repeat 2 package names.
Package names are written in all lower case to avoid conflict with the names of classes or interfaces. Companies use their reversed Internet domain name to begin their package names—for example, com.
Once you publish your application under its manifest package name, this is the unique identity of the application forever more. Switching to a different name results in an entirely new application, one that can’t be installed as an update to the existing application.
Its not possible to change it . Please read http://android-developers.blogspot.in/2011/06/things-that-cannot-change.html
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