How to re-sign a Android apk file for testing

In the last days I got some questions about how to resign the apk file you want to test. And here is the answer. First some basic about the signatures in Android development! A signature is needed to identify the author of the Android application. A signature mostly contains information like:

  • First name
  • Last name
  • Name of the organization
  • City
  • State
  • Country Code

For more information please have a look at the Android SDK developer guide http://developer.android.com/guide/publishing/app-signing.html

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