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Uncaught translation SimException: dx.rop.cst.CstInterfaceMethodRef cannot be attributed to com.android.dx.rop.cst.CstMethodRef (Proguard)

My team, and I'm trying to resolve this exception, which we get when we try to Proguard our Android application before switching to beta.

The exception is:

Error:Uncaught translation error: com.android.dx.cf.code.SimException: com.android.dx.rop.cst.CstInterfaceMethodRef cannot be cast to com.android.dx.rop.cst.CstMethodRef Possible causes for this unexpected error include:<ul><li>Gradle dependency cache may be corrupt (this sometimes occurs after a network connection timeout.) <a href="syncProject">Re-download dependencies and sync project (requires network)</a></li><li>The state of a Gradle build process (daemon) may be corrupt. Stopping all Gradle daemons may solve this problem. <a href="stopGradleDaemons">Stop Gradle build processes (requires restart)</a></li><li>Your project may be using a third-party plugin which is not compatible with the other plugins in the project or the version of Gradle requested by the project.</li></ul>In the case of corrupt Gradle processes, you can also try closing the IDE and then killing all Java processes.

We are trying to track where this error occurs during Proguarding, but are not very familiar with Proguard to know how to find where the crashes occur.

Is there any way to see where this translation error occurs? If I knew that / where an exceptional exception was in my code, perhaps I could fix it. There are online links where Google Play Services can cause problems in other sdks, but we have already used the dependency tool and found that it is correctly linked to 8.4.0 in all sdks.

Our application also uses the multiDexEnabled true flag.

Here is our proguard file:

 # Add project specific ProGuard rules here. # By default, the flags in this file are appended to flags specified # in /development/adt-bundle-mac/sdk/tools/proguard/proguard-android.txt # You can edit the include path and order by changing the proguardFiles # directive in build.gradle. # # For more details, see # http://developer.android.com/guide/developing/tools/proguard.html # Add any project specific keep options here: # If your project uses WebView with JS, uncomment the following # and specify the fully qualified class name to the JavaScript interface # class: #-keepclassmembers class fqcn.of.javascript.interface.for.webview { # public *; #} # (1)Annotations and signatures -keepattributes *Annotation*,EnclosingMethod,Signature,InnerClasses -keepnames class com.fasterxml.jackson.** { *; } # (2)Simple XML -keep public class org.simpleframework.**{ *; } -keepclasseswithmembernames class javax.xml.stream.** { *; } ### Simple XML SERIALIZER SETTINGS -keepclassmembers,allowobfuscation class * { @org.simpleframework.xml.* <fields>; @org.simpleframework.xml.* <init>(...); } -keep class javax.xml.stream.**{ *; } -keep class org.simpleframework.xml.**{ *; } # Ignore warnings: We are not using DOM model #-dontwarn com.fasterxml.jackson.databind.ext.DOMSerializer -dontwarn com.fasterxml.jackson.databind.ext.* -dontwarn org.apache.http.** # Keep the pojos used by GSON or Jackson -keep class com.futurice.project.models.pojo.** { *; } # Keep Jackson stuff -dontwarn org.codehaus.** -dontwarn com.bea.xml.stream.** -dontwarn com.google.android.gms.* -dontwarn javax.xml.stream.* -dontwarn javax.annotation.** -dontwarn sun.misc.Unsafe -dontwarn com.google.j2objc.annotations.Weak -dontwarn java.lang.ClassValue -dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement -dontwarn okio.* -dontwarn org.apache.** -dontwarn org.simpleframework.xml.stream.* -dontwarn rx.internal.util.unsafe.* # Keep leakcanary stuff -dontwarn com.squareup.haha.** -dontwarn com.squareup.leakcanary.** # Marshmallow removed Notification.setLatestEventInfo() -dontwarn android.app.Notification # warnings -dontwarn butterknife.internal.* -dontwarn com.conviva.streamerProxies.* -dontwarn com.anvato.** -dontwarn com.apptentive.android.sdk.** -dontwarn com.comscore.instrumentation.** -dontwarn com.squareup.okhttp.** -dontwarn com.urbanairship.json.** -dontwarn tv.freewheel.renderers.html.* # notes -dontnote com.android.vending.** -dontnote com.anvato.** -dontnote com.conviva.** -dontnote com.facebook.stetho.inspector.** -dontnote com.google.android.gms.** -dontnote com.google.gson.internal.** -dontnote com.google.vending.** -dontnote com.squareup.okhttp.** -dontnote com.urbanairship.** -dontnote tv.freewheel.extension.medialets.** -dontnote org.apache.** -dontnote org.json.** #Note: duplicate definition of library class -dontnote android.net.http.** # For RxJava: -dontwarn org.mockito.** -dontwarn org.junit.** -dontwarn org.robolectric.** -dontwarn rx.md.internal.schedulers.NewThreadWorker #-ignorewarnings -keep public class * extends android.app.Application -keep public class * extends android.app.Service -keep public class * extends android.content.BroadcastReceiver #-keep public class * extends android.content.ContentProvider #-keep public class * extends android.app.backup.BackupAgentHelper -keep public class * extends android.preference.Preference ##-keep public class com.android.vending.licensing.ILicensingService #-keep public class com.fasterxml.jackson.databind.ObjectMapper -keepclasseswithmembernames class * { native <methods>; } -keepclasseswithmembernames class * { public <init>(android.content.Context, android.util.AttributeSet); } -keepclasseswithmembernames class * { public <init>(android.content.Context, android.util.AttributeSet, int); } #-keepclasseswithmembernames class * { # public onStart(); #} -keep public class com.fasterxml.jackson.** { public void set*(***); public *** get*(); } -keepclassmembers enum * { public static **[] values(); public static ** valueOf(java.lang.String); } -keep class * implements android.os.Parcelable { public static final android.os.Parcelable$Creator *; public void set*(***); public *** get*(); } -keep class * { public void *(android.view.View); }

If you need more information, please let me know, and I will be happy to provide, this is currently blocking our ability to publish a beta version.

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2 answers

So, for us it seems that the solution should remove:

 -keep class * { public void *(android.view.View); }

from Proguard, since there should be some conflict when using this with various libraries. I hope this helps others who are facing this problem as we are stuck for 6 days on it.

It should be noted that you should explicitly add your links to click handlers or at least reduce it, see the source of this rule here: Android Proguard - how to save only onClick handlers refers to XML layouts

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I am also struggling with this error after adding CreativeSDK. Adding here if this helps someone in the future. Exact error:

Open source conversion error: com.android.dx.cf.code.SimException: com.android.dx.rop.cst.CstMethodRef could not be added to com.android.dx.rop.cst.CstInterfaceMethodRef

and in my case the solution was to remove

 -keep class retrofit.** { *; }

from Proguard

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