How to add .aar dependency in library module?

Question

I am having one .aar file of one library module.
I want to use it as a library or dependency in my other project's library module.
How do I do it?

I tried options provided at below links:
http://kevinpelgrims.com/blog/2014/05/18/reference-a-local-aar-in-your-android-project/

It works only if I add .aar reference in my project's application module. But not working in library module.

Thanks.

Ulla

please provide your build.gradle – Inductee

Possible duplicate of Adding local .aar files to my gradle build – Symphony

allprojects { repositories { jcenter() flatDir { dirs 'libs' } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.android.support:appcompat-v7:23.1.0' compile 'com.android.support:recyclerview-v7:23.0.1' compile(name:'mylibmodule', ext:'aar') } – Ulla

@Ulla check above link . – Immix

Answer 1

Follow this setting and you will able to add .aar dependency to library module

build.gradle (Project: ....)

allprojects {
    repositories {
        jcenter()
        mavenCentral()
        flatDir {
            dirs 'libs'
            dirs project(':library_module').file('libs')
        }
    }
}

build.gradle (Module: app)

dependencies {
    ...
    compile project(':library_module')
}

build.gradle (Module: library_module)

dependencies {
    ...
    compile(name:'aar_file_name', ext:'aar')
}

settings.gradle (Project Settings)

include ':app', ':library_module'

Aurthur

dirs project(':library_module').file('libs') do the job – Rosena

@Android, I am sorry since I answer it for a long time so I am not sure about the change. If you found the way for solving it, hope you can correct me. Thank you so much – Aurthur

No issue @PhanVanLinh – Bruno

After lot of struggle, this answer help me to fix the issue.Thank you Phan Van Linh. – Carlin

Answer 2

In all modules (library or application) where you need the aar file you have to add in your build.gradle the repository:

repositories {
    flatDir {
        dirs 'libs'
    }
}

and add the dependency:

dependencies {
   compile(name:'nameOfYourAARFileWithoutExtension', ext:'aar')
 }

You can use the top-level file to add the repositories, but you can't add the dependencies in the top-level file.
Pay attention to the relative path of the libs folder that you are using in the module.

Abbotson

I want library with resources. – Ulla

What does it mean? The aar has the resources – Abbotson

@Ulla You have to add the dependencies in your modules, not in your top-level file. Reading your comment you are adding the dependencies in the wrong file – Abbotson

Answer 3

Sorry process involves 10 steps but these are super simple and easy.

1- New->Module

2- Select import .jar/aar package

3- Select your .aar file from location

4- We can see module is added but not configured with app module yet.

5- Go to Project Structure

6- Current project structure is like this one

7- Go to app module and press '+' icon

8- Select 3rd option Module dependency

9- Select newly added .arr module

10- you can see the new module attached with app module. Now click apply.

you can see we are good to go.

Boilermaker

I Miss this steps in Arctic Fox , If You find then please let me know :( – Dogmatic

The dialog in step 2 is not available anymore in Chipmunk... – Struggle

Answer 4

I did it a bit differently than others have posted here...

My main goal was to create a library module that contained all the jar's and aar's that I would need. My main project would then depend on this library module - I only wanted a single line in the main project's build.gradle to link this dependency.

1. Add a new library module to the project: File -> New -> New Module -> Android Library

2. within the library module, open the build.gradle and add:

// so that the library project can locate the aar in /libs
repositories {
    flatDir {
        dirs 'libs'
    }
}

dependencies {
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation fileTree(include: ['*.aar'], dir: 'libs')
}

now you can pop all the jar's and aar's into the /libs folder of your library module. Bonus: whatever the library name is doesn't matter, it's automatically discovered

Tart

I was trying the same thing but this didn't work for me. it looks at app/libs directory instead – Masao

I can't find the answer to this. There's hundreds of answers just like this one but none of them seem to work for me. Error is Direct local .aar file dependencies are not supported when building an AAR. The resulting AAR would be broken because the classes and Android resources from any local .aar file dependencies would not be packaged in the resulting A AR. – Metzler

@DanielWilson I'm facing the same issue, do you find any solution? – Charterhouse

@WellingtonYogui see this answer: https://mcmap.net/q/49387/-error-building-android-library-direct-local-aar-file-dependencies-are-not-supported – Metzler

Answer 5

1. File -> New Module -> Import .JAR/.AAR
2. import the .AAR file.
3. in library module build.gradle add the dependency dependencies{compile project(':Name-Of-Your-Module-aar')}

http://tools.android.com/tech-docs/new-build-system/tips#TOC-Handling-transitive-dependencies-for-local-artifacts-jars-and-aar-

Deration

I was able to work through my problem following these steps. The settings.gradle and build.gradle files are automatically updated, leaving me to only implement step # 3. Thank you! – Backstay

Answer 6

The easiest way will be to copy your aar file to the library module's libs folder. and in the app level build.gradle implement the dependency like below

implementation files('libs/aar_file_name.aar')

Hampson

Answer 7

Under dependencies in the module's build.gradle add the associated .aar files with

compileOnly files('libs/api-release.aar')

And then in the importing project's app/build.gradle add the .aar files with

implementation files('../../node_modules/react-native-misnap/android/libs/api-release.aar')

Stgermain