Enums and android annotation intDef

Question

I have an enum:

public enum AppEnums {     SERVICE_ERROR,     CONNECTION_ERROR; } 

and I want to use it in an intDef of Android Annotation:

@IntDef({AppEnums.CONNECTION_ERROR, AppEnums.SERVICE_ERROR}) public @interface ServiceErrors { } 

error shows:

incompatible types found, required: 'long'

What I can do with this incompatibility?

I don't want to handle values of AppEnum parameters manually, Enum create values automatically ordinarily. AppEnums.CONNECTION_ERROR.ordinal() return int value of enum parameter but don't work here.

Answer 1

The main idea of IntDef annotation is to use set of int constants like an enum, but without enum. In this case you have to declare all constants manually.

@IntDef({Status.IDLE, Status.PROCESSING, Status.DONE, Status.CANCELLED}) @Retention(RetentionPolicy.SOURCE) @interface Status {     int IDLE = 0;     int PROCESSING = 1;     int DONE = 2;     int CANCELLED = 3; } 

You can see detailed example here.