Android facebook applicationId cannot be null

Question

I\'ve been following the following tutorial to integrate my app with Facebook. Facebook tutorial

I\'ve followed everything on the tutorial, but I\'ve been getting

Answer 1

The problem is that the id is being converted to integer: https://code.google.com/p/android/issues/detail?id=78839

In my case the facebook_app_id was being set from the build.gradle file per flavor.

The solution was to wrap the id with ":

flavor.resValue "string", "facebook_app_id", "\"1111111111111\""

or if you would rather avoid escaping:

flavor.resValue "string", "facebook_app_id", '"1111111111111"'