я имеюMultiDex включен в моем проекте Android. Работало нормально, пока я не попробовал включить proguard. Я могу успешно построить проект, но я получаю исключение при запуске. Не удается найти класс приложения иMainActivity, У меня была такая же проблема до включенияMultiDex, Теперь я думаю, по какой-то причинеMultiDex не работает должным образом сProGuard, Вот что я получаю в logcat -

02-17 19:01:09.749: I/MultiDex(2079): VM with version 2.1.0 has multidex support
02-17 19:01:09.749: I/MultiDex(2079): install
02-17 19:01:09.749: I/MultiDex(2079): VM has multidex support, MultiDex support library is disabled.
02-17 19:01:09.750: I/art(2079): Rejecting re-init on previously-failed class java.lang.Class<android.support.v4.app.FragmentActivity>
02-17 19:01:09.750: I/art(2079): Rejecting re-init on previously-failed class java.lang.Class<android.support.v4.app.FragmentActivity>
02-17 19:01:09.751: I/art(2079): Rejecting re-init on previously-failed class java.lang.Class<mypackage.activities.MainActivity>
02-17 19:01:09.751: I/art(2079): Rejecting re-init on previously-failed class java.lang.Class<mypackage.activities.MainActivity>
02-17 19:01:09.751: D/AndroidRuntime(2079): Shutting down VM
02-17 19:01:09.751: D/AndroidRuntime(2079): --------- beginning of crash 

и после этого остальная часть трассировки стека относится к ClassNotFoundException для MainActivity:

02-17 19:01:09.752: E/AndroidRuntime(2079): FATAL EXCEPTION: main
02-17 19:01:09.752: E/AndroidRuntime(2079): Process: com.mypackage, PID: 2079
02-17 19:01:09.752: E/AndroidRuntime(2079): java.lang.NoClassDefFoundError: Failed resolution of: Lcom/mypackage/activities/MainActivity;
02-17 19:01:09.752: E/AndroidRuntime(2079):     at cmypackage.application.ApplicationContextProvider.onCreate(Unknown Source)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1011)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4518)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at android.app.ActivityThread.access$1500(ActivityThread.java:144)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1339)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at android.os.Handler.dispatchMessage(Handler.java:102)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at android.os.Looper.loop(Looper.java:135)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at android.app.ActivityThread.main(ActivityThread.java:5221)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at java.lang.reflect.Method.invoke(Native Method)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at java.lang.reflect.Method.invoke(Method.java:372)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
02-17 19:01:09.752: E/AndroidRuntime(2079): Caused by: java.lang.ClassNotFoundException: Didn't find class "mypackage.activities.MainActivity" on path: DexPathList[[zip file "/data/app/mypackage-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
02-17 19:01:09.752: E/AndroidRuntime(2079):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
02-17 19:01:09.752: E/AndroidRuntime(2079):     at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
02-17 19:01:09.752: E/AndroidRuntime(2079):     ... 12 more
02-17 19:01:09.752: E/AndroidRuntime(2079):     Suppressed: java.lang.NoClassDefFoundError: mypackage.activities.MainActivity
02-17 19:01:09.752: E/AndroidRuntime(2079):         at dalvik.system.DexFile.defineClassNative(Native Method)
02-17 19:01:09.752: E/AndroidRuntime(2079):         at dalvik.system.DexFile.defineClass(DexFile.java:226)
02-17 19:01:09.752: E/AndroidRuntime(2079):         at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:219)
02-17 19:01:09.752: E/AndroidRuntime(2079):         at dalvik.system.DexPathList.findClass(DexPathList.java:321)
02-17 19:01:09.752: E/AndroidRuntime(2079):         at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
02-17 19:01:09.752: E/AndroidRuntime(2079):         ... 14 more
02-17 19:01:09.752: E/AndroidRuntime(2079):     Suppressed: java.lang.ClassNotFoundException: mypackage.MainActivity
02-17 19:01:09.752: E/AndroidRuntime(2079):         at java.lang.Class.classForName(Native Method)
02-17 19:01:09.752: E/AndroidRuntime(2079):         at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
02-17 19:01:09.752: E/AndroidRuntime(2079):         at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
02-17 19:01:09.752: E/AndroidRuntime(2079):         at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
02-17 19:01:09.752: E/AndroidRuntime(2079):         ... 13 more
02-17 19:01:09.752: E/AndroidRuntime(2079):     Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available

Редактировать- Вот мой файл правил proguard:

-libraryjars libs

# We only want obfuscation
-keepattributes InnerClasses,Signature

-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontpreverify
-dontoptimize
-verbose

# Sdk
-keep public interface com.zendesk.sdk.** { *; }
-keep public class com.zendesk.sdk.** { *; }

# Appcompat and support
#-keep interface android.support.v7.** { *; }
#-keep class android.support.v7.** { *; }
#-keep interface android.support.v4.** { *; }
#-keep class android.support.v4.** { *; }

# Gson
-keep interface com.google.gson.** { *; }
-keep class com.google.gson.** { *; }

# Retrofit
#-keep class com.google.inject.** { *; }
#-keep class org.apache.http.** { *; }
#-keep class org.apache.james.mime4j.** { *; }
#-keep class javax.inject.** { *; }
#-keep class retrofit.** { *; }
#-keep interface retrofit.** { *; }

# Retrofit
-keep class com.squareup.okhttp.** { *; }
-keep interface com.squareup.okhttp.** { *; }
-dontwarn com.squareup.okhttp.**

-dontwarn rx.**
-dontwarn retrofit.**
-dontwarn okio.**
-keep class retrofit.** { *; }
-keepclasseswithmembers class * {
    @retrofit.http.* <methods>;
}

# Jackson
-keepattributes *Annotation*,EnclosingMethod,Signature
-keepnames class com.fasterxml.jackson.** { *; }
 -dontwarn com.fasterxml.jackson.databind.**
 -keep class org.codehaus.** { *; }
 -keepclassmembers public final enum org.codehaus.jackson.annotate.JsonAutoDetect$Visibility {
 public static final org.codehaus.jackson.annotate.JsonAutoDetect$Visibility *; }
-keep public class mypackage.parsers.JacksonParser.** {
  public void set*(***);
  public *** get*();
}

#Picasso
-dontwarn com.squareup.okhttp.**

#-dontwarn javax.management.**
#-dontwarn java.lang.management.**
#-dontwarn org.apache.log4j.**
#-dontwarn org.apache.commons.logging.**
#-dontwarn org.json.*
#-dontwarn org.apache.commons.codec.binary.Base64

#-keep class javax.** {* ; }
#-keep class org.** { *; }

-dontwarn org.mortbay.**
-dontwarn org.slf4j.**
-dontwarn org.apache.log4j.**
-dontwarn org.apache.commons.logging.**
-dontwarn org.apache.commons.codec.binary.**