Facing Build issue

Question

Severity Code Description Project File Line Suppression State
Error Error in obj\Debug\120\lp\111\jl\bin\classes.jar:com/google/android/gms/measurement/AppMeasurement$ConditionalUserProperty.class:
Type com.google.android.gms.measurement.AppMeasurement$ConditionalUserProperty is defined multiple times: obj\Debug\120\lp\111\jl\bin\classes.jar:com/google/android/gms/measurement/AppMeasurement$ConditionalUserProperty.class, obj\Debug\120\lp\81\jl\classes.jar:com/google/android/gms/measurement/AppMeasurement$ConditionalUserProperty.class
Compilation failed
java.lang.RuntimeException: com.android.tools.r8.CompilationFailedException: Compilation failed to complete, origin: obj\Debug\120\lp\111\jl\bin\classes.jar
com/google/android/gms/measurement/AppMeasurement$ConditionalUserProperty.class
at com.android.tools.r8.internal.Bj.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:98)
at com.android.tools.r8.R8.main(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:4)
Caused by: com.android.tools.r8.CompilationFailedException: Compilation failed to complete, origin: obj\Debug\120\lp\111\jl\bin\classes.jar:com/google/android/gms/measurement/AppMeasurement$ConditionalUserProperty.class
at Version.fakeStackEntry(Version_3.3.28.java:0)
at com.android.tools.r8.internal.Bj.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:75)
at com.android.tools.r8.internal.Bj.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:28)
at com.android.tools.r8.internal.Bj.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:27)
at com.android.tools.r8.R8.b(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:1133)
at com.android.tools.r8.R8.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:2212)
at com.android.tools.r8.internal.Bj.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:85)
... 1 more
Caused by: com.android.tools.r8.internal.f: Type com.google.android.gms.measurement.AppMeasurement$ConditionalUserProperty is defined multiple times: obj\Debug\120\lp\111\jl\bin\classes.jar:com/google/android/gms/measurement/AppMeasurement$ConditionalUserProperty.class, obj\Debug\120\lp\81\jl\classes.jar:com/google/android/gms/measurement/AppMeasurement$ConditionalUserProperty.class
at com.android.tools.r8.internal.DT.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:14)
at com.android.tools.r8.internal.DT.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:22)
at com.android.tools.r8.internal.CN.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:33)
at com.android.tools.r8.internal.CN.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:10)
at java.base/java.util.concurrent.ConcurrentHashMap.merge(ConcurrentHashMap.java:2048)
at com.android.tools.r8.internal.CN.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:6)
at com.android.tools.r8.graph.B2$a.e(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:4)
at com.android.tools.r8.dex.b.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:105)
at com.android.tools.r8.dex.b.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:28)
at com.android.tools.r8.R8.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:902)
at com.android.tools.r8.R8.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:2211)
at com.android.tools.r8.internal.Bj.a(R8_3.3.28_2aaf796388b4e9f6bed752d926eca110512a53a3f09a8d755196089c1cfdf799:24)
... 4 more
Directory 'obj\Debug\120\lp\111' is from 'Xamarin.GooglePlayServices.Measurement.Impl.dll'. ADWDiabetes.Android

Answer 1

Hello,

This should be due to a nuget package conflict between Firebase and Google Analytics.

This issue D8 fails during Xamarin Android build with latest Xamarin.GooglePlayServices libraries #5237 could be helpful for you.

Best Regards,

Alec Liu.

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