libs/com-getbase-floatingactionbutton-1-10-0-exploded-aar/proguard.txt

   1 # keep getters/setters in RotatingDrawable so that animations can still work.
   2 -keepclassmembers class com.getbase.floatingactionbutton.FloatingActionsMenu$RotatingDrawable {
   3    void set*(***);
   4    *** get*();
   5 }