Authentication failed. The user has canceled the authentication or the provider refused the connection

i used Facebook login in this website lesoccas.com based on osclass script and 

HybridAuth plugin and i got this message 

Authentication failed. The user has canceled the authentication or the provider refused the connection

and after many try , my problem was app setting in facebook


How to change the launcher logo of an app in Android Studio?

  1. Expand the project root folder in the Project View
  2. Right Click on the app folder
  3. In the Context Menu go to New->Image Asset
  4. In the pop up that appears select the the new logo you would like to have(image/clip art/text).
That is it! You have a new logo for you app now.