Create aar file in Android Studio

Question

I d like to create an aar file for my library in Android Studio  i would ve gone with a jar option but my library has resources   Any idea how to create an aar file from a library

User · Answer

To create AAR while creating follow below steps  File- gt New- gt New Module- gt Android Library and create  To generate AAR Go to gradle at top right pane in android studio follow below steps  Gradle- gt Drop down library name - gt  tasks- gt  build- gt  assemble or assemble release AAR will be generated in build outputs aar  But if we want AAR to get generated in specific folder in project directory with name you want  modify your app level build gradle like below defaultConfig       minSdkVersion 26     targetSdkVersion 28     versionCode System getenv  quot BUILD NUMBER quot   as Integer    1     versionName  quot 0 0   versionCode  quot        libraryVariants all   variant - gt           variant outputs all   output - gt              outputFileName    quot              release  quot      quot your recommended name aar quot                      Now it will create folder with name  quot release quot  in project directory which will be having AAR  To import  quot aar quot  into project check below link  How to manually include external aar package using new Gradle Android Build System

User · Answer

Finally got the solution here - https   stackoverflow com a 49663101 9640177  implementation files  libs aar-file aar    Edit I had one more complication - I had set minifyEnabled true for the library module

User · Answer

If your library is set up as an Android library  i e  it uses the apply plugin   com android library  statement in its build gradle file   it will output an  aar when it s built  It will show up in the build outputs aar  directory in your module s directory   You can choose the  Android Library  type in File   New Module to create a new Android Library

User · Answer

Retrieve exported  aar file from local builds  If you have a module defined as an android library project you ll get  aar files for all build flavors  debug and release by default  in the build outputs aar  directory of that project    your-library-project      - build          - outputs              - aar                  - appframework-debug aar                  - appframework-release aar   If these files don t exist start a build with  gradlew assemble   for macOS users    gradlew assemble   Library project details  A library project has a build gradle file containing apply plugin  com android library  For reference of this library packaged as an  aar file you ll have to define some properties like package and version    Example build gradle file for library  this example includes obfuscation in release    apply plugin   com android library   android       compileSdkVersion 21     buildToolsVersion  21 1 0       defaultConfig           minSdkVersion 9         targetSdkVersion 21         versionCode 1         versionName  0 1 0            buildTypes           release               minifyEnabled true             proguardFiles getDefaultProguardFile  proguard-android txt     proguard-rules pro                      Reference  aar file in your project  In your app project you can drop this  aar file in the libs folder and update the build gradle file to reference this library using the below example   apply plugin   com android application   repositories       mavenCentral       flatDir           dirs  libs    this way we can find the  aar file in libs folder          android       compileSdkVersion 21     buildToolsVersion  21 0 0       defaultConfig            minSdkVersion 14         targetSdkVersion 20         versionCode 4         versionName  0 4 0           applicationId  yourdomain yourpackage             buildTypes           release               minifyEnabled true             proguardFiles getDefaultProguardFile  proguard-android txt     proguard-rules pro                    debug               minifyEnabled false                    dependencies       compile  be hcpl android appframework appframework 0 1 0 aar      Alternative options for referencing local dependency files in gradle can be found at  http   kevinpelgrims com blog 2014 05 18 reference-a-local-aar-in-your-android-project   Sharing dependencies using maven  If you need to share these  aar files within your organization check out maven  A nice write up on this topic can be found at  https   web archive org web 20141002122437 http   blog glassdiary com post 67134169807 how-to-share-android-archive-library-aar-across  About the  aar file format  An aar file is just a  zip with an alternative extension and specific content  For details check this link about the aar format

User · Answer

btw  aar doesn t have transitive dependency  you need a parameter to turn it on  Transitive dependencies not resolved for aar library using gradle

User · Answer

just like user hcpl said but if you want to not worry about the version of the library you can do this   dependencies       compile name  mylibrary   ext  aar       as its kind of annoying to have to update the version everytime  Also it makes the not worrying about the name space easier this way

User · Answer

After following the first and second steps mentioned in the hcpl s answer in the same thread  we added      aar    dir   libs  in the our-android-app-project-based-on-gradle app build gradle file as shown below        dependencies          implementation fileTree include      jar      aar    dir   libs          Our gradle version is com android tools build gradle 3 2 1

[android] Create aar file in Android Studio

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