I'm also very interested in this. At one point Xav said "We should support
this" but I'm not sure if a bug was ever filed to track it.

When I get back to a computer I'll look it up and send with more info. I
also have a workaround for this that you can use temporarily.
On Nov 16, 2014 10:25 PM, "Kiran Rao" <[email protected]> wrote:

> Bump! Any ideas on this? Or perhaps this is not the right forum for this
> question?
>
> On Thursday, 13 November 2014 18:37:03 UTC+5:30, Kiran Rao wrote:
>>
>> I am developing an annotation processor using Android Studio. My project
>> has three modules:
>>
>> *anno-api*- This contains that API - i.e, just defines the annotations
>> and some constants
>> *anno-processor* - This has a compile dependency on anno-api and it
>> contains the class extending AbstractProcessor
>> *sample* - This demonstrates how to use the annotations.
>>
>> The setup is working just fine. Now, I want to do better validation in my
>> Annotation Processor. For this, both anno-api and anno-processor need to
>> have access to the Android API.
>> For example, consider this annotation. It has a method of type Class but
>> I want to restrict this to just sub-classes of Activity.
>>
>> @Retention(RetentionPolicy.SOURCE)
>> @Target(ElementType.TYPE)
>> public @interface AwesomeActivity {
>>     Class<? extends android.app.Activity> base();
>> }
>>
>> How do I go about doing this? *How do I tell anno-api and anno-processor
>> to depend on Android classes?*
>>
>> Here are the things I tried:
>>
>> 1) I tried making both anno-api and anno-processor as Android Library
>> projects.
>> 2) I tried adding android.jar in the lib/ folder of the anno-api project
>> and adding a dependency to the JAR file in build.gradle.
>>
>> In both cases the I end up with compile errors in my Annotation
>> Processor. Basically it refuses to recognize the javax.annotation.* and
>> other such classes. I suspect that at this point, only the classes present
>> in android.jar are recognized.
>>
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