Android极光推送jPush混淆解决方案终极篇

今天在做混淆时，极光推送报错了，错误如下：(下面错误代码从别的文章摘录而来，因为已经解决，就不再显示我自己的错误信息了，基本是一致的，除了时间。)

<span style="font-size:18px;">[2013-09-23 20:30:59 - TEST] Proguard returned with error code 1. See console 
[2013-09-23 20:30:59 - TEST] Note: there were 105 duplicate class definitions. 
[2013-09-23 20:30:59 - TEST] Unexpected error while computing stack sizes: 
[2013-09-23 20:30:59 - TEST]   Class       = [cn/jpush/android/api/InstrumentedActivity] 
[2013-09-23 20:30:59 - TEST]   Method      = [<clinit>()V] 
[2013-09-23 20:30:59 - TEST]   Exception   = [java.lang.IllegalArgumentException] (Stack size becomes negative after instruction [12] invokevirtual #57 in [cn/jpush/android/api/InstrumentedActivity.<clinit>()V]) 
[2013-09-23 20:30:59 - TEST] Unexpected error while editing code: 
[2013-09-23 20:30:59 - TEST]   Class       = [cn/jpush/android/api/InstrumentedActivity] 
[2013-09-23 20:30:59 - TEST]   Method      = [<clinit>()V] 
[2013-09-23 20:30:59 - TEST]   Exception   = [java.lang.IllegalArgumentException] (Stack size becomes negative after instruction [12] invokevirtual #57 in [cn/jpush/android/api/InstrumentedActivity.<clinit>()V]) 
[2013-09-23 20:30:59 - TEST] java.lang.IllegalArgumentException: Stack size becomes negative after instruction [12] invokevirtual #57 in [cn/jpush/android/api/InstrumentedActivity.<clinit>()V] 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.attribute.visitor.StackSizeComputer.evaluateInstructionBlock(StackSizeComputer.java:334) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.attribute.visitor.StackSizeComputer.visitBranchInstruction(StackSizeComputer.java:197) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.instruction.BranchInstruction.accept(BranchInstruction.java:140) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.attribute.visitor.StackSizeComputer.evaluateInstructionBlock(StackSizeComputer.java:355) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.attribute.visitor.StackSizeComputer.visitCodeAttribute0(StackSizeComputer.java:153) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.attribute.visitor.StackSizeComputer.visitCodeAttribute(StackSizeComputer.java:110) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.editor.StackSizeUpdater.visitCodeAttribute(StackSizeUpdater.java:49) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.editor.CodeAttributeEditor.visitCodeAttribute0(CodeAttributeEditor.java:376) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.editor.CodeAttributeEditor.visitCodeAttribute(CodeAttributeEditor.java:311) 
[2013-09-23 20:30:59 - TEST]     at proguard.optimize.DuplicateInitializerInvocationFixer.visitCodeAttribute(DuplicateInitializerInvocationFixer.java:92) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.attribute.CodeAttribute.accept(CodeAttribute.java:101) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.ProgramMethod.attributesAccept(ProgramMethod.java:79) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.attribute.visitor.AllAttributeVisitor.visitProgramMember(AllAttributeVisitor.java:95) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.util.SimplifiedVisitor.visitProgramMethod(SimplifiedVisitor.java:91) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.ProgramMethod.accept(ProgramMethod.java:71) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.ProgramClass.methodsAccept(ProgramClass.java:504) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.visitor.AllMethodVisitor.visitProgramClass(AllMethodVisitor.java:47) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.ProgramClass.accept(ProgramClass.java:346) 
[2013-09-23 20:30:59 - TEST]     at proguard.classfile.ClassPool.classesAccept(ClassPool.java:116) 
[2013-09-23 20:30:59 - TEST]     at proguard.optimize.Optimizer.execute(Optimizer.java:500) 
[2013-09-23 20:30:59 - TEST]     at proguard.ProGuard.optimize(ProGuard.java:306) 
[2013-09-23 20:30:59 - TEST]     at proguard.ProGuard.execute(ProGuard.java:115) 
[2013-09-23 20:30:59 - TEST]     at proguard.ProGuard.main(ProGuard.java:492) </span>

网上百度各种解决方案，尝试N次后仍然无效，最后同事把他的混淆文件发来全部替换，而不单纯是一个jar文件，最后完美解决。

下面简单把解决方案说一下吧：

1.在你的proguard.cfg加上代码：如果是使用新版本的ADT 将project.properties的中“# proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt”的“#”注释去掉，然后在proguard-android.txt中配置如下：

-dontwarn cn.jpush.**
-keep class cn.jpush.** { *; }

2.使用 SDK1.3.X 及以后的版本

3.替换D:\adt-bundle-windows-x86-20130729\sdk\tools中的proguard文件夹 点我立即下载最新版混淆文件

如此，便完美解决jPush混淆报错问题了。

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