Why does my android app report that it cannot "find" my own class? possibly related to proguard? -
im developing android app, , started using proguard due "# of classes" library contained. in process, have been able add proguard rules , recompile app , "run" it. only each time "run" it, errors out , reports caused by: java.lang.classnotfoundexception: didn't find class "com.mycompany.mymodule.utils" on path: dexpathlist... since proguard has been implemented in order reduce total number of classes, use proguard on every build. dollars donuts problem lies in file - because app ran smoothly before added. have added following lines proguard.pro file in android studio try force resolved: -keepclassmembers class com.mycompany.mymodule -keep public class * extends android.app.activity -keep public class * extends android.app.application -keepclasseswithmembers class com.mycompany.mymodule.** { *; } -keepclasseswithmembers class com.mycompany.mymodule.utils {*;} however, not solve problem. i @ loss because application errors ...