Android ProGuard settings for Facebook

Question

I finally found out why my app crashes built for release. ProGuard was indeed stripping code from my application but i prevented this by manually adding the classes with the

Answer 1

fixed:

-keep class com.facebook.** {
   *;
}

instead of:

-keepattributes Signature
-keep class com.facebook.android.*
-keep class android.webkit.WebViewClient
-keep class * extends android.webkit.WebViewClient
-keepclassmembers class * extends android.webkit.WebViewClient { 
    <methods>; 
}

Also be sure to check your hash key in your facebook app settings.

Answer 2

In my case your solution

-keep class com.facebook.** {
   *;
}

works, but I had to keep

-keepattributes Signature

In order to get everything working.