Lint fails the build with Security error "WrongConstant: Incorrect constant". IntDef annotation

Question

In my Result class I annotated with @IntDef first integer parameter in newInstance() method like this:

public class Result {
    public static final int SUCCESS = 0;
    public static final int FAIL = 1;
    public static final int UNKNOWN = 2;

    // ...

    private Result(@Status int status, Uri uri) {
        mStatus = status;
        mUri = uri;
    }

    public static Result newInstance(@Status int status, Uri uri) {
        return new Result(status, uri);
    }

    @Retention(RetentionPolicy.SOURCE)
    @IntDef({ SUCCESS, FAIL, UNKNOWN })
    @interface Status {}
}

Next, in my Utils class I invoke that method and pass correct constant as parameter. I ensure that I use specific set of constants like this:

public static Result foo() {
    // ...
    return Result.newInstance(Result.SUCCESS, contentUri); // line 45
}

But lint fails the build with Security error

"WrongConstant: Incorrect constant"

../../src/main/java/my/package/Utils.java:45: Must be one of: 0, 1, 2

I know that this error can be simply suppressed. But I'd like to know what's wrong with my code? Or maybe it's another issue?

Answer 1

I had a similar issue with a @StringDef constant. I guess this particular Lint check has some issues.

In the meantime, you can use the @SuppressLint annotation as a workaround:

public static Result foo() {
    // ...
    @SuppressLint("WrongConstant")
    return Result.newInstance(Result.SUCCESS, contentUri);
}

---

Edit: This issue seems to be fixed with gradle plugin version 1.4.0-beta1
Issue 182179 - android - Lint gives erroneous @StringDef errors in androidTests