Androidx migration: NoClassDefFoundError

Question

I am getting this error after migrating to AndroidX.

java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/aidl/BaseStub; at com.android.installreferrer.api.InstallReferrerClientImpl.startConnection(InstallReferrerClientImpl.java:133) at com.appsflyer.internal.i.ˏ(:30) at com.appsflyer.AppsFlyerLibCore.init(:808) at com.netcore.sales.smartech.NetcoreSalesDemo.onCreate(NetcoreSalesDemo.java:77) at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1182) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:6460) at android.app.ActivityThread.access$1300(ActivityThread.java:219) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1859) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7356) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

Answer 1

I started having the same error when I upgraded com.android.installreferrer to version 1.1. Downgrading back to version 1.0 solved the problem.