我开发了一个在许多模块中使用Enums的android应用程序。现在，我试图保护我的应用程序不受逆向工程的影响，为此目的，我在我的应用程序中启用了proguard，但问题是在启用proguard之后，无论我在哪里使用Enums，我的应用程序崩溃。 我创建了以下类来定义所有枚举
package app.mypackagename.utils;
import android.content.Context;
public class EnumUtils {
public static enum AppDomain {
LIVE, STAGING, MOCK
}
public static enum UserRole {
CUSTOMER, ADMIN;
}
public static enum Module {
REGISTRATION, PRODUCT
}
}
在模型类“ User”中使用枚举“ UserRole”
package app.mypackagename.flavors.models;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
import app.mypackagename.utils.EnumUtils;
public class User {
@SerializedName("sulLevelcode")
public String sulLevelcode;
public EnumUtils.UserRole userRole = null;
}
成功登录后，我正在使用以下代码检查用户角色
Gson gson = new Gson();
Type listType = new TypeToken<User>() {
}.getType();
onlineUser = ((User) gson.fromJson(taskItem.getRawResponse(),
listType));
onlineUser.userID = userId;
if (onlineUser.sulLevelcode.equalsIgnoreCase(Constants.LEVEL_CODE_CUSTOMER)) {
onlineUser.userRole = EnumUtils.UserRole.CUSTOMER;
}
但是应用程序总是在访问Enum值时崩溃。
下面是崩溃跟踪
java.lang.AssertionError: java.lang.NoSuchFieldException: CUSTOMER
at b.b.c.b.a.ja$a.<init>(:808)
at b.b.c.b.a.V.a(:834)
at b.b.c.p.a(:423)
at b.b.c.b.a.p.a(:115)
at b.b.c.b.a.p.a(:164)
at b.b.c.b.a.p.a(:100)
at b.b.c.p.a(:423)
at b.b.c.p.a(:886)
at b.b.c.p.a(:852)
at b.b.c.p.a(:801)
at app.mypackagename.activities.k.a(:355)
at app.mypackagename.f.c.a(:442)
at app.mypackagename.f.c.a(:43)
at app.mypackagename.f.b.a(:288)
at app.mypackagename.f.b.a(:271)
at b.c.a.b.m.c(:107)
at b.c.a.b.m.b(:141)
at b.c.a.b.m.a(:128)
at b.c.b.A.a(:456)
at b.c.a.b.m.c(:107)
at b.c.a.b.m.b(:141)
at b.c.a.b.m.a(:128)
at b.c.b.r.run(:246)
at b.c.a.y$d.run(:60)
at android.os.Handler.handleCallback(Handler.java:761)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6577)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:986)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:876)
Caused by: java.lang.NoSuchFieldException: CUSTOMER
at java.lang.Class.getField(Class.java:1549)
at b.b.c.b.a.ja$a.<init>(:797)
at b.b.c.b.a.V.a(:834)
at b.b.c.p.a(:423)
at b.b.c.b.a.p.a(:115)
at b.b.c.b.a.p.a(:164)
at b.b.c.b.a.p.a(:100)
at b.b.c.p.a(:423)
at b.b.c.p.a(:886)
at b.b.c.p.a(:852)
at b.b.c.p.a(:801)
at app.mypackagename.activities.k.a(:355)
at app.mypackagename.f.c.a(:442)
at app.mypackagename.f.c.a(:43)
at app.mypackagename.f.b.a(:288)
at app.mypackagename.f.b.a(:271)
at b.c.a.b.m.c(:107)
at b.c.a.b.m.b(:141)
at b.c.a.b.m.a(:128)
at b.c.b.A.a(:456)
at b.c.a.b.m.c(:107)
at b.c.a.b.m.b(:141)
at b.c.a.b.m.a(:128)
at b.c.b.r.run(:246)
at b.c.a.y$d.run(:60)
at android.os.Handler.handleCallback(Handler.java:761)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:156)
at android.app.ActivityThread.main(ActivityThread.java:6577)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:986)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:876)
下面是我的proguard规则文件
# Add project specific ProGuard rules here.
# You can control the set of applied configuration files using the
# proguardFiles setting in build.gradle.
#
# For more details, see
# http://developer.android.com/guide/developing/tools/proguard.html
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
# public *;
#}
# Uncomment this to preserve the line number information for
# debugging stack traces.
#-keepattributes SourceFile,LineNumberTable
# If you keep the line number information, uncomment this to
# hide the original source file name.
#-renamesourcefileattribute SourceFile
-dontwarn com.alcorlink.**
-dontwarn com.google.android.**
-dontwarn androidx.media.**
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep class app.app.mypackagename.utils.EnumUtils { *; }
##---------------Begin: proguard configuration for Gson ----------
# Gson uses generic type information stored in a class file when working with fields. Proguard
# removes such information by default, so configure it to keep all of it.
-keepattributes Signature
# For using GSON @Expose annotation
-keepattributes *Annotation*
# Gson specific classes
-dontwarn sun.misc.**
#-keep class com.google.gson.stream.** { *; }
# Application classes that will be serialized/deserialized over Gson
-keep class app.mypackagename.flavors.models.User.** { <fields>; }
# Prevent proguard from stripping interface information from TypeAdapterFactory,
# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
-keep class * implements com.google.gson.TypeAdapterFactory
-keep class * implements com.google.gson.JsonSerializer
-keep class * implements com.google.gson.JsonDeserializer
# Prevent R8 from leaving Data object members always null
-keepclassmembers,allowobfuscation class * {
@com.google.gson.annotations.SerializedName <fields>;
}
##---------------End: proguard configuration for Gson ----------
我已经尝试了Stack Overflow上几乎所有可用的解决方案，但无法解决此问题。
一些我尝试过的方式
--keep class app.mypackagename.utils.EnumUtils{ *; }
-keep class app.mypackagename.flavors.models.User.** { *; }
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keepclassmembers enum * { *; }
-keepclassmembers enum app.mypackagename.** { *; }
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep public enum app.mypackagename.utils.EnumUtils** {
**[] $VALUES;
public *;
}
-keepattributes AppDomain
-keepattributes UserRole
有人可以帮我这个忙吗？任何帮助将不胜感激。
答案 0 :(得分：0)
我遇到了同样的问题，但是将这一行添加到我的proguard-rules.pro中是可行的-
-keep class app.mypackagename.constants.* { <fields>; }.
其中“ app.mypackagename.constants”是我所有枚举所在的包。