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I created a Library project with HealthConnect SDK extending its functionality. I made a Host App that consumes that Library and accesses the features of the Library i.e. HealthConnect calls.

The structure looks like this:-

MY-LIBRARY

  • Retrofit dependencies
    
  • Google & HealthConnect dependencies
    
  • Gson & Core Android dependencies
    

HOST APP

  • MY-LIBRARY
    
  • Retrofit dependencies
    
  • Core Android dependencies
    

When I add the library as: implementation project(:MY-LIBRARY) -> Everything works as expected. [Happy Path - Imported Library as Module in the Host App Project]

But, I generated .aar and published it in Artifactory. When I try to import it in any of the below-mentioned ways, it doesn't work.

  1. api fileTree(include: ['*.aar'], dir:'libs')

    implementation files('libs/MY LIBRARY.aar') Note: Kept .aar local to the project in the libs folder, tried all combinations of 'api' or 'implementation'

  2. api or implementation 'GROUPID:ARTIFACTORYID:VERSION@aar' -> Artifactory path of Library

  3. api or implementation (group:'xxx', name:'yyy', version:'1.0', ext:'aar') Note: Also used {transitive true}

Error while accessing the HealthConnect feature is:-

java.lang.NoClassDefFoundError: Failed resolution of: Landroidx/health/connect/client/PermissionController;

Caused by: java.lang.ClassNotFoundException: Didn't find class "androidx.health.connect.client.PermissionController" 
on path: DexPathList[[dex file"/data/data/package_name/code_cache/.overlay/base.apk/classes3.dex", 
zip file "/data/app/~~K9odobuULb_uTuhBvixTqA==/ package_name -BJWmNflOHQmZ1OLX-qGA4Q==/base.apk"],
nativeLibraryDirectories=[/data/app/~~K9odobuULb_uTuhBvixTqA==/ package_name -BJWmNflOHQmZ1OLX-qGA4Q==/lib/arm64, /system/lib64, /system_ext/lib64]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:259)
at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
at android.app.Activity.performCreate(Activity.java:8305) 
at android.app.Activity.performCreate(Activity.java:8284) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1417) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3626) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3782) 
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:101) 
atandroid.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) 
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2307) 
at android.os.Handler.dispatchMessage(Handler.java:106) 
at android.os.Looper.loopOnce(Looper.java:201) 
at android.os.Looper.loop(Looper.java:288) 
at android.app.ActivityThread.main(ActivityThread.java:7872) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936) 

Appoorva Faldu
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