我正在使用Android Studio和Proguard构建一个Android应用程序,我的项目中包含一个库jar(na.jar)。由于来自na.jar的某些类在构建过程中给我带来了错误,因此我想跳过对该库进行混淆和预验证。因此,在我的proguard配置文件中,我有以下选项:
-dontpreverify
# com.na, org.json are packages in na.jar, don't obfuscate the code in these packages
-keep class com.na.** { *; }
-keep interface com.na.** { *; }
-keep class org.json.** { *; }
-keep interface org.json.** { *; }
然而,在构建过程中,我仍然遇到与na.jar中错误类相关的以下错误。
Caused by: java.io.IOException: Can't read [C:\StudioProjects\PBActivity\pBActivity\libs\na.jar(;;;;;;!META-INF/MANIFEST.MF)] (Can't process class [com/na/util/BinConverter.class] (256))
at proguard.InputReader.readInput(InputReader.java:188)
at proguard.InputReader.readInput(InputReader.java:158)
at proguard.InputReader.readInput(InputReader.java:136)
at proguard.InputReader.execute(InputReader.java:66)
at proguard.ProGuard.readInput(ProGuard.java:207)
at proguard.ProGuard.execute(ProGuard.java:81)
at proguard.gradle.ProGuardTask.proguard(ProGuardTask.java:1074)
at com.android.build.gradle.tasks.AndroidProGuardTask.proguard(AndroidProGuardTask.java:87)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:63)
... 62 more
Caused by: java.io.IOException: Can't process class [com/na/util/BinConverter.class] (256)
at proguard.io.ClassReader.read(ClassReader.java:112)
at proguard.io.FilteredDataEntryReader.read(FilteredDataEntryReader.java:87)
at proguard.io.FilteredDataEntryReader.read(FilteredDataEntryReader.java:87)
at proguard.io.FilteredDataEntryReader.read(FilteredDataEntryReader.java:87)
at proguard.io.JarReader.read(JarReader.java:65)
at proguard.io.DirectoryPump.readFiles(DirectoryPump.java:65)
at proguard.io.DirectoryPump.pumpDataEntries(DirectoryPump.java:53)
at proguard.InputReader.readInput(InputReader.java:184)
... 70 more
Caused by: java.lang.ArrayIndexOutOfBoundsException: 256
at proguard.classfile.ProgramClass.getString(ProgramClass.java:116)
at proguard.classfile.io.ProgramClassReader.createAttribute(ProgramClassReader.java:990)
at proguard.classfile.io.ProgramClassReader.visitProgramMethod(ProgramClassReader.java:206)
at proguard.classfile.io.ProgramClassReader.visitProgramClass(ProgramClassReader.java:149)
at proguard.classfile.ProgramClass.accept(ProgramClass.java:358)
at proguard.io.ClassReader.read(ClassReader.java:91)
... 77 more
即使跳过混淆,Proguard仍会读取类和JAR文件吗?我是第一次使用Proguard构建Android应用程序。
更新 #1
-dontpreverify
-dontoptimize
-dontshrink
-keep class com.na.** { *; }
-keep interface com.na.** { *; }
-keep class org.json.** { *; }
-keep interface org.json.** { *; }