Monday, December 10, 2012

What is an Android ID?

Every Android must have an Android ID (a.k.a. package name) which is a unique ID to identify your App on Google Play Store. Once your App is published, this ID cannot be modified.

For example, the Android ID of "Publish5 Test Client", our demo app on Google Play Store, is "", and the URL of  corresponding listing is

It is important that this Android ID is unique and related to your website URL, that is why Publish5 will generate your the initial Android ID based on the URL of your website. In most cases, you do not need to change this initial Android ID.

If you would like to modify your Android ID when you first design your App, please be aware of the following restrictions:

  • All letters should be in lower case
  • The convention is to use the reverse of your domain names, e.g.
  • The first character cannot be a digit, e.g. will be come "" or ""
  • The name should not contain hyphen or other special characters

Further Reference:

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