-keep public class org.matheclipse.core.** {*; }

-keep interface org.matheclipse.core.interfaces.IPattern

-keep interface android.webkit.SafeBrowsingResponse

-keep interface android.webkit.RenderProcessGoneDetail

-keep interface org.apache.** {*;}

-keep class android.webkit.SafeBrowsingResponse

-keep class android.webkit.RenderProcessGoneDetail

-keep class org.apache.** {*;}

#posibly solution for

-keep class * extends android.app.Application