How to include prebuilt jars using bp in Android P

[Ajay kumar]

Hi 

Added jar file :

this my Android.bp

java_import {

      name: "my-services",

      jars: ["my-services.jar"],

  }

am getting build error :

ninja: error: 'out/target/common/obj/JAVA_LIBRARIES/my-services_intermediates/javalib.jar', needed by 'out/target/product/mydevice/dex_bootjars/system/framework/arm64/boot.art', missing and no known rule to make it

I've added my-services in base.mk under build/make/target/product/ and device/google/mydevice.mk to PRODUCT_PACKAGES.

Thanks

Ajay

[Jovanovic, Zoran]

Hi.


The library doesn't need to be referenced in PRODUCT_PACKAGES, as it seems that it's not what it is. Your jar does however need to be accessible to Soong, e.g. in the 'prebuilts' project that Soong queries for all libraries (less likely) or in a path relative to your app's Android.bp (more likely). For example, copy the jar to your app's 'lib' folder and change


java_import {

name: "my-services",

- jars: ["my-services.jar"],

+ jars: ["lib/my-services.jar"],

}


Next, in your build target, e.g. android_app, refer to the library by its java_import/name ("my-services" in your case) in one of the libraries blocks (depending on how you want it linked). That should be about it. Good luck.


Cheers

Zoran Jovanovic

SW Architect

Sony Mobile Communications Inc.

Lund, Sweden


________________________________
From: android-...@googlegroups.com <android-...@googlegroups.com> on behalf of Ajay kumar <ajayre...@gmail.com>
Sent: Tuesday, November 20, 2018 13:49
To: Android Building
Subject: [android-building] How to include prebuilt jars using bp in Android P

Hi
Added jar file :

this my Android.bp

java_import {
name: "my-services",
jars: ["my-services.jar"],
}


am getting build error :
ninja: error: 'out/target/common/obj/JAVA_LIBRARIES/my-services_intermediates/javalib.jar', needed by 'out/target/product/mydevice/dex_bootjars/system/framework/arm64/boot.art', missing and no known rule to make it

I've added my-services in base.mk<http://base.mk/> under build/make/target/product/ and device/google/mydevice.mk<http://mydevice.mk/> to PRODUCT_PACKAGES.


Thanks
Ajay


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[Ajay kumar]

Hi Zoran,

Thanks for your reply.

Our intention is to include this jar in system/frameworks as like frameworks.jar(which has been built on an engineering environment), it has to be used by a system service in frameworks. can you tell me how this can be achievable ??

Thanks,

Ajay

[Jovanovic, Zoran]

Ah, sorry for misunderstanding.


Put "installable: true" somewhere under "java_library" in your library's blueprint.


Cheers

--

Zoran Jovanovic
SW Architect
Sony Mobile Communications Inc.
Lund, Sweden


________________________________
From: android-...@googlegroups.com <android-...@googlegroups.com> on behalf of Ajay kumar <ajayre...@gmail.com>

Sent: Wednesday, November 28, 2018 08:51
To: Android Building
Subject: [android-building] Re: How to include prebuilt jars using bp in Android P

Hi Zoran,
Thanks for your reply.
Our intention is to include this jar in system/frameworks as like frameworks.jar(which has been built on an engineering environment), it has to be used by a system service in frameworks. can you tell me how this can be achievable ??

Thanks,
Ajay

On Tuesday, November 20, 2018 at 9:02:21 PM UTC+5:30, Ajay kumar wrote:
Hi
Added jar file :

this my Android.bp

java_import {
name: "my-services",
jars: ["my-services.jar"],
}


am getting build error :
ninja: error: 'out/target/common/obj/JAVA_LIBRARIES/my-services_intermediates/javalib.jar', needed by 'out/target/product/mydevice/dex_bootjars/system/framework/arm64/boot.art', missing and no known rule to make it

[Ronny Pau]

I have the same problem too.

I have a prebuilt jar that needs to be brought in, I have tried both java_import and java_library directives and neither works. Ideas?

>>> java_import - seems to only create immediates but doesn't actually bring the the jar to my target directory 

java_import {

      name: "myPrebuiltJar",

      jars: ["myPrebuiltJar.jar"],

  }

>>> java_library - I see some immediates and the jar in my target directory, but callers that makes use of the library do not recognize / cannot import my package (build time error)

java_library {

    name: "myPrebuiltJar",

    srcs: ["myPrebuiltJar.jar"],

    installable: true,

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[Colin Cross]

I'd suggest combining the two:

java_import {

      name: "myPrebuiltJar-prebuilt",

      jars: ["myPrebuiltJar.jar"],

  }

java_library {

    name: "myPrebuiltJar",

    static_libs: ["myPrebuiltJar-prebuilt"],

    installable: true,

}

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[Ronny Pau]

That's one thing I have tried, but I am running into the following problem around "Duplicate path classes.dex found", it seems like the classes.dex from within the JAR is clashing with the one being produced by java_library.

Then I tried to add the "dex_preopt" directive and setting enabled to false, everything builds but the caller still doesn't see the package.

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[Colin Cross]

There is no way to import a jar containing classes.dex files, you need to import a jar containing .class files.