android - how to keep enum from proguard

Question

In my proguard, I have the following to keep public enums from being obfuscated.

-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

My question is, does this also keep the public enum Currency in a class like this?

public class Foo {
    public enum **Currency** {PENNY, NICKLE, DIME, QUARTER};

    ...
}

If not, what do I have to add separately?

Adding the following doesn't seem to help.

-keepattributes InnerClasses

Any advice? Thanks

For Kotlin: Add the following line inside the 'proguard-rules.pro' file. -keepnames class your.package.EnumName — eyeslave, Jul 10 '20 at 19:31

score 23 · Answer 1 · edited May 23 '17 at 12:00

23

You could try

-keep public enum com.stuff.TheEnclosingClass$** {
    **[] $VALUES;
    public *;
}

As shown on this answer Proguard won't keep a class member's enums

Just don't forget to put

-keepattributes InnerClasses

edited May 23 '17 at 12:00

Community

1
1

answered Feb 15 '14 at 01:33

Gabriel Falcone

678
5
17

score 6 · Answer 2 · answered Oct 03 '13 at 12:32

6

Can you try to tell proguard to keep the specific class:

-keep class com.xxx.Foo { *; }

answered Oct 03 '13 at 12:32

Szymon

42,577
16
96
114

score 4 · Answer 3 · answered Oct 07 '13 at 23:23

The option -keepclassmembers only keeps the class members; in this case the methods values() and valueOf(String) of all enum classes. The wild card * also matches internal classes.

If you for some reason want to preserve the inner class with its original name, you can specify:

-keep class somepackage.Foo$Currency

That should only be necessary if your application accesses the class through reflection.

score 3 · Answer 4 · answered Aug 01 '19 at 08:28

3

If you want to safe enum names and all fields, methods for it:

-keep enum * { *; }

answered Aug 01 '19 at 08:28

Maxim Petlyuk

1,014
14
20

android - how to keep enum from proguard

4 Answers4