「proguard.cfg」ファイルをいじる必要があるかもしれません。
これは、IntelliJ IDE で Scala 2.10 と Android を使用するプロジェクトから使用したものです (パッケージ名に合わせて最初のオプションを変更します)。
##
## Keep classes of named package
##
-keep public class **.keithpinson.**
## ## ## ## ## ## ## ## ## ## ## ## ##
##
## RELEASE ONLY
##
##-optimizationpasses 3
##-overloadaggressively
##-repackageclasses ''
##-allowaccessmodification
##-optimizations !code/simplification/arithmetic
## ,!field/*,!class/merging/*,!code/allocation/variable
##-keepattributes *Annotation*
##
## DEBUG ONLY
##
-dontobfuscate
-dontoptimize
-keepattributes Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,*Annotation*,EnclosingMethod
## -printmapping mapping.txt
##
## ALL VERSIONS
##
-dontpreverify
-dontskipnonpubliclibraryclasses
-dontskipnonpubliclibraryclassmembers
-dontusemixedcaseclassnames
## Keep Limited Serializable Capability
##-keepclassmembers class * implements java.io.Serializable {
## static long serialVersionUID;
## private void writeObject(java.io.ObjectOutputStream);
## private void readObject(java.io.ObjectInputStream);
## java.lang.Object writeReplace();
## java.lang.Object readResolve();
##}
## Keep All Serializable Capability
##-keep class * implements java.io.Serializable { *; }"
##
## ANDROID SETTINGS
##
-dontwarn com.google.common.collect.MinMaxPriorityQueue
-dontwarn com.google.common.primitives.UnsignedBytes$*
-dontnote android.app.backup.BackupAgentHelper
-dontnote com.android.vending.licensing.ILicensingService
-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep public class * extends android.app.backup.BackupAgentHelper
-keep public class * extends android.preference.Preference
-keep public class com.android.vending.licensing.ILicensingService
-keepclasseswithmembernames class * {
native <methods>;
}
-keep public class * extends android.view.View {
public <init>(android.content.Context);
public <init>(android.content.Context, android.util.AttributeSet);
public <init>(android.content.Context, android.util.AttributeSet, int);
public void set*(...);
}
-keepclasseswithmembers class * {
public <init>(android.content.Context, android.util.AttributeSet);
}
-keepclasseswithmembers class * {
public <init>(android.content.Context, android.util.AttributeSet, int);
}
-keepclassmembers class * extends android.app.Activity {
public void *(android.view.View);
}
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}
# R classes may be built out of sequence so don't proguard them
-keep public class **.R { *; }
-keepclassmembers class **.R$* {
public static <fields>;
}
# Removes all calls to Log. Delete the methods you want to keep.
-assumenosideeffects class android.util.Log {
public static int v(...);
#public static int d(...);
public static int i(...);
#public static int w(...);
#public static int e(...);
#public static int wtf(...);
}
## Fixes ==> Warning: ... can't find referenced class javax.xml.stream.events.XMLEvent
## -dontwarn javax.xml.**
## If using Guice
## -keep class com.google.common.base.Finalizable* {
## <fields>;
## <methods>;
## }
##
## -keep class com.google.common.base.internal.Finalizer {
## <fields>;
## <methods>;
## }
##
## SCALA SETTINGS
##
-dontwarn **$$anonfun$*
-dontwarn scala.android.**
-dontwarn scala.beans.ScalaBeanInfo
-dontwarn scala.collection.generic.GenTraversableFactory
-dontwarn scala.collection.immutable.RedBlack$Empty
-dontwarn scala.concurrent.forkjoin.**
-dontwarn scala.reflect.**
-dontwarn scala.sys.process.**
-dontwarn scala.tools.**,plugintemplate.**
#(org.xml.sax.EntityResolver)Class.forName(variable).newInstance()
-dontnote org.xml.sax.EntityResolver
#(org.apache.james.mime4j.storage.StorageProvider)Class.forName(variable).newInstance()
-dontnote org.apache.james.mime4j.storage.DefaultStorageProvider
-dontnote scala.android.app.Activity
## Keep All Scala Classes
##-keep class scala.** { *; }
-keep class scala.android.package**
-keep class * extends scala.android.app.Activity
## Fixes ==> Warning: ... can't find referenced class sun.misc.Unsafe
-libraryjars libs/jsr305-2.0.1.jar
-dontwarn sun.misc.Unsafe
-keep class * extends scala.runtime.MethodCache {
public <methods>;
}
-keepclassmembers class * {
** MODULE$;
}
-keepclassmembernames class scala.concurrent.forkjoin.ForkJoinPool {
long eventCount;
int workerCounts;
int runControl;
scala.concurrent.forkjoin.ForkJoinPool$WaitQueueNode syncStack;
scala.concurrent.forkjoin.ForkJoinPool$WaitQueueNode spareStack;
}
-keepclassmembernames class scala.concurrent.forkjoin.ForkJoinWorkerThread {
int base;
int sp;
int runState;
}
-keepclassmembernames class scala.concurrent.forkjoin.ForkJoinTask {
int status;
}
-keepclassmembernames class scala.concurrent.forkjoin.LinkedTransferQueue {
scala.concurrent.forkjoin.LinkedTransferQueue$PaddedAtomicReference head;
scala.concurrent.forkjoin.LinkedTransferQueue$PaddedAtomicReference tail;
scala.concurrent.forkjoin.LinkedTransferQueue$PaddedAtomicReference cleanMe;
}