Proguard和Scoreloop

Question

我正在尝试在Android Projet上使用Proguard，并在运行时在Scoreloop（版本3.0.3）库中保持相同的错误...

我在project.properties文件中定义了proguard配置文件，如下所示：

proguard.config=${sdk.dir}/tools/proguard/proguard-android-optimize.txt:proguard-project.txt
proguard.enabled=true

这是我的proguard-project.txt文件（包含所有内容，以防万一我在某处做错了...）：

# ####### #
# Project #
# ####### #
-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


# ##### #
# AdMob #
# ##### #
-keep public class com.google.ads.** {*;}
-keep public class com.google.gson.** {*;}


# #### #
# ACRA #
# #### #
# we need line numbers in our stack traces otherwise they are pretty useless
-renamesourcefileattribute SourceFile
-keepattributes SourceFile,LineNumberTable

# ACRA needs "annotations" so add this... 
-keepattributes *Annotation*

# keep this class so that logging will show 'ACRA' and not a obfuscated name like 'a'.
# Note: if you are removing log messages elsewhere in this file then this isn't necessary
-keep class org.acra.ACRA {*;}

# keep this around for some enums and classes that ACRA needs
-keep class org.acra.ReportingInteractionMode {*;}
#-keep class org.acra.ReportField {*;}
-keepnames class org.acra.ReportField {*;}

# keep this otherwise it is removed by ProGuard
-keep public class org.acra.ErrorReporter {
    public void addCustomData(java.lang.String,java.lang.String);
}
-keep public class org.acra.ErrorReporter {
    public org.acra.ErrorReporter$ReportsSenderWorker handleSilentException(java.lang.Throwable);
}


# ######### #
# Scoreloop #
# ######### #
-dontwarn com.scoreloop.client.android.core.paymentprovider.**
-keep class com.scoreloop.client.android.core.paymentprovider.fortumo.FortumoPaymentProviderController {*;}
-keep class com.scoreloop.client.android.core.paymentprovider.fortumo.FortumoPaymentProvider {*;}
-keep class com.scoreloop.client.android.core.paymentprovider.paypalx.PayPalXPaymentProviderController {*;}
-dontwarn com.scoreloop.client.android.core.ui.WebViewDialog
-keep class com.scoreloop.client.android.core.ui.WebViewDialog {*;}
-keep class com.facebook.android.** {*;}


# ############## #
# In-App Billing #
# ############## #
# -keep class com.android.vending.billing.**


# ####### #
# OrmLite #
# ####### #
# OrmLite uses reflection
-keep class com.j256.**
-keepclassmembers class com.j256.** { *; }
-keep enum com.j256.**
-keepclassmembers enum com.j256.** { *; }
-keep interface com.j256.**
-keepclassmembers interface com.j256.** { *; }

我在运行时遇到此错误：

Caused by: java.lang.IllegalArgumentException: java.lang.NoSuchMethodException: <init> [class com.scoreloop.client.android.core.b.aw]
    at com.scoreloop.client.android.core.b.j.a(SourceFile:692)
    at com.scoreloop.client.android.core.b.j.<init>(SourceFile:368)
    at com.sofresh.games.megaflux.MegaFluxApplication.onCreate(SourceFile:106)
    at com.sofresh.games.megaflux.MegaFluxApplication_.onCreate(SourceFile:19)
    at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1000)
    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4391)
    ... 10 more
 Caused by: java.lang.NoSuchMethodException: <init> [class com.scoreloop.client.android.core.b.aw]
    at java.lang.Class.getConstructorOrMethod(Class.java:460)
    at java.lang.Class.getConstructor(Class.java:431)
    at com.scoreloop.client.android.core.b.j.a(SourceFile:684)

从文件mapping.txt中，我发现了有关有问题的类和调用的信息：

com.scoreloop.client.android.core.model.Client -> com.scoreloop.client.android.core.b.j:
    java.util.Map a -> a
    com.scoreloop.client.android.core.model.ClientObserver b -> b
    com.scoreloop.client.android.core.model.Session c -> c
    103:104:boolean a(java.util.Properties,java.lang.String,boolean) -> a
    155:178:java.util.Properties a(android.content.Context) -> a
    182:185:void a(java.util.Properties,java.lang.String) -> a
    188:194:void a(java.util.Properties,java.lang.String,java.lang.String) -> a
    198:232:void a(android.content.Context,java.lang.String) -> a
    380:387:void a(java.util.Properties) -> a
    638:640:int b(java.util.Properties,java.lang.String) -> b
    684:692:void a(java.lang.Class) -> a
    708:711:void a$2a1b557e(com.scoreloop.client.android.core.model.Session) -> a
    715:718:boolean a(com.scoreloop.client.android.core.model.Session) -> b
    722:723:void b(android.content.Context) -> b
[...]
com.scoreloop.client.android.core.model.Session -> com.scoreloop.client.android.core.b.aw:
[...]

所以我以为错误表明无法找到进行Session的Client的构造函数。 我尝试将以下内容添加到我的proguard conf中：

-keep class com.scoreloop.client.android.core.model.** {*;}
-keepclassmembers class com.scoreloop.client.android.core.model.**

运气不好，现在我得到这个错误：

Caused by: java.lang.IllegalArgumentException: java.lang.NoSuchMethodException: <init> [class com.scoreloop.client.android.core.model.Session]
    at com.scoreloop.client.android.core.model.Client.a(SourceFile:692)
    at com.scoreloop.client.android.core.model.Client.a(SourceFile:605)
    at com.scoreloop.client.android.core.model.Client.<init>(SourceFile:368)
    at com.blabla.MyApplication.onCreate(SourceFile:106)
    at com.blabla.MyApplication_.onCreate(SourceFile:19)
    at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1000)
    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4391)
    ... 10 more
 Caused by: java.lang.NoSuchMethodException: <init> [class com.scoreloop.client.android.core.model.Session]
    at java.lang.Class.getConstructorOrMethod(Class.java:460)
    at java.lang.Class.getConstructor(Class.java:431)
    at com.scoreloop.client.android.core.model.Client.a(SourceFile:684)

现在，我对下一步的尝试感到迷茫...对这个错误有任何想法和启示吗？

Answer 1

在获得Scoreloop支持人员的响应并进行了一些测试之后，这是Scoreloop的ProGuard配置：

# ######### #
# Scoreloop #
# ######### #
-dontwarn com.scoreloop.client.android.core.paymentprovider.**
-keep class com.scoreloop.client.android.core.paymentprovider.fortumo.FortumoPaymentProviderController {*;}
-keep class com.scoreloop.client.android.core.paymentprovider.fortumo.FortumoPaymentProvider {*;}
-keep class com.scoreloop.client.android.core.paymentprovider.paypalx.PayPalXPaymentProviderController {*;}
-dontwarn com.scoreloop.client.android.core.ui.WebViewDialog
-keep class com.scoreloop.client.android.core.ui.WebViewDialog {*;}
-keep class com.facebook.android.** {*;}
-keep class com.scoreloop.client.android.core.** { *; }

Answer 2

该代码执行反射并且找不到构造函数，因此您确实必须确保将其保留。 您的-keep选项将保留指定包及其子包中的所有类/字段/方法：

-keep class com.scoreloop.client.android.core.model.** {*;}

但是，代码可能正在尝试在此程序包之外查找类的构造函数-不幸的是，堆栈跟踪无法说明。 您必须弄清楚这是哪个类（或一组类），然后保留其构造函数。

请注意，您的-keepclassmembers选项不执行任何操作（因为它未指定任何类成员），但这不是必需的。