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

Actually you do not have to use flavor codes in gradle...

if you have number longer than 4 Bytes, you should this code in strings.xml

Note: Attention this quotation mark (")

"1111111111111"