21

我在我的 android 项目中使用 simplexml,在我混淆代码之前一切正常。然后,错误开始涌入。

部分 XML 如下:

<categories success="true">
  <category id="102" caption="Magazin" parent="0" num_mags="114" >
    <category id="15" caption="Kunst" parent="102" num_mags="13" >
      <category id="17" caption="Design" parent="15" num_mags="10" ></category>
      <category id="18" caption="Haute+Couture" parent="15" num_mags="2" >
...

我有两个类: CategoryItemList:

@Root(name = "categories")
public class CategoryItemList {

    private final List<CategoryItem> mCategoryItems;
    /**
     * Create a new category items list.
     * 
     * @param categoryItems the list of category items
     */
    public CategoryItemList(@ElementList(name = "category", inline = true) final List<CategoryItem> categoryItems) {
        mCategoryItems = categoryItems;
    }
    @ElementList(name = "category", inline = true)
    public List<CategoryItem> getCategoryItems() {
        return mCategoryItems;
    }
}

和类别项目:

@Root(name = "category")
public class CategoryItem {
    private final int mId;
    private final String mCaption;
    private final int mParent;
    private final int mNumberOfMagazines;
    private final ArrayList<CategoryItem> mSubCategoryItems;
    /**
     * Creating a new category item.
     * 
     * @param id the category id
     * @param caption the name of category
     * @param parent the parent category
     * @param numMags the number of magazines from that category
     */
    public CategoryItem(@Attribute(name = "id") final int id,
                        @Attribute(name = "caption") final String caption,
                        @Attribute(name = "parent") final int parent,
                        @Attribute(name = "num_mags") final int numMags,
                        @ElementList(name = "category", inline = true, required = false) final ArrayList<CategoryItem> subCategoryItems) {
        mId = id;
        mCaption = caption;
        mParent = parent;
        mNumberOfMagazines = numMags;
        mSubCategoryItems = subCategoryItems;
    }

    @Attribute(name = "id")
    public int getId() {
        return mId;
    }

    @Attribute(name = "caption")
    public String getCaption() {
        String categoryName = null;

        try {
            categoryName = URLDecoder.decode(mCaption, "UTF-8");
        } catch (final UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return categoryName;
    }

    @Attribute(name = "parent")
    public int getParentId() {
        return mParent;
    }

    @Attribute(name = "num_mags")
    public int getNumbersOfMagazines() {
        return mNumberOfMagazines;
    }

    @ElementList(name = "category", inline = true, required = false)
    public ArrayList<CategoryItem> getSubCategory() {
        return mSubCategoryItems;
    }
}

现在,当我混淆代码时,如果我省略“-keepattributes Annotation ”,我会得到一个 PersistenceException: Constructor not match for class。

如果我包含它,我会在运行时收到“无法确定构造函数参数 1 的泛型类型”异常。
正如你所看到的,名字就在那里,我试图让整个班级都拿着它们,但都无济于事。

如何配置 Proguard 以使用 simplexml?

编辑:我的 proguard.cfg 文件如下:(它有点塞满了我尝试过的所有东西,但这是当前版本)

-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontpreverify
-verbose
-printseeds
-dontoptimize
-keepattributes *Annotation*
-keepattributes EnclosingMethod

-libraryjars <java.home>/lib/rt.jar (javax/xml/stream/** )

-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

-keepclasseswithmembers class * {
    native <methods>;
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet);
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet, int);
}

-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

-keep class * implements android.os.Parcelable {
  public static final android.os.Parcelable$Creator *;
}

-dontwarn android.support.**,de.greenrobot.**,org.simpleframework.xml.**
-keep class com.crittercism.**{ *; }
-keepclassmembernames class com.crittercism.**{ *; }
-keepclasseswithmembers class com.crittercism.**{ *; }

-keep class org.simpleframework.**{ *; }
-keepclassmembernames class org.simpleframework.**{ *; }
-keepclasseswithmembers class org.simpleframework.**{ *; }

-keep class crittercism.android.**
-keepclassmembers public class com.crittercism.*{ *;}

-keep public class database.** {
    public static <fields>;
}

-keep class android.support.**
-keepclasseswithmembers class android.support.** { *;}

-keep class org.simpleframeork.**
-keepclasseswithmembers class org.simpleframeork.** { *;}

-keep class javax.**
-keepclasseswithmembers class javax.** { *;}

-keep class com.test.category.**
-keepclassmembernames class com.test.category.** { *; }
-keepclasseswithmembers class com.test.category.** { *;}

-keep class com.test.download.**
-keepclassmembernames class com.test.download.** { *; } 
-keepclasseswithmembers class com.test.download.** { *;}

-keep class org.simpleframework.**{ *; } 
-keep class org.simpleframework.xml.**{ *; } 
-keep class org.simpleframework.xml.core.**{ *; } 
-keep class org.simpleframework.xml.util.**{ *; }
-keep class org.simpleframework.xml.stream.**{ *; }

-keepclassmembers class * implements java.io.Serializable {
    private static final java.io.ObjectStreamField[] serialPersistentFields;
    private void writeObject(java.io.ObjectOutputStream);
    private void readObject(java.io.ObjectInputStream);
    java.lang.Object writeReplace();
    java.lang.Object readResolve();
}
4

7 回答 7

7

您已经发现保留注释是一个好主意。您也可以尝试将类型参数添加到 @ElementList 注释 - 显然泛型类型擦除存在问题,simplexml 需要有关列表中元素类型的额外提示

你也可以玩弄 -keepattributes Signature, *Annotation*:

在 JDK 5.0 及更高版本中编译时,需要“Signature”属性才能访问泛型类型。

于 2012-09-06T08:14:46.933 回答
7

使用 SimpleXML 库并混淆代码时的问题如下:

  1. 您必须保留实体的“注释”和“签名”

    @Attribute(name = "retcode", required = true) 私有字符串 _retcode;

  2. 您必须保留 SimpleXML 库

  3. 您必须防止某些代码块被删除,例如,如果不使用实体的构造函数,proguard 将删除它,但该方法可以在 Simple XML Library 内部使用

proguard.cfg 文件可能是这样的:

# The following line may be different
-libraryjars <java.home>/lib/rt.jar(java/**,javax/**)

-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontpreverify
-verbose
# (3)Not remove unused code
-dontshrink

-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*

-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
-keep public class com.android.vending.licensing.ILicensingService
# (2)Simple XML
-keep public class org.simpleframework.**{ *; } 
-keep class org.simpleframework.xml.**{ *; } 
-keep class org.simpleframework.xml.core.**{ *; } 
-keep class org.simpleframework.xml.util.**{ *; }
# (1)Annotations and signatures
-keepattributes *Annotation*
-keepattributes Signature

-keepclasseswithmembernames class * {
    native <methods>;
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet);
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet, int);
}

-keepclassmembers class * extends android.app.Activity {
   public void *(android.view.View);
}

-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

-keep class * implements android.os.Parcelable {
  public static final android.os.Parcelable$Creator *;
}

我在自己的项目中使用它并且它有效;)

于 2013-01-22T11:59:01.623 回答
4

使用来自项目 Subversion 存储库的官方版本。

https://simple.svn.sourceforge.net/svnroot/simple/trunk/download/stream/proguard.pro

于 2013-03-05T10:03:21.717 回答
2

在 Eclipse 中右键单击您的项目。转到 android -> 运行 Lint。

Lint有能力检查 proguard 错误配置,并且可能会发现并解释您的错误。

于 2012-08-31T20:25:50.783 回答
2

我不断收到以下错误:

can't find referenced class javax.xml.stream.XMLEventReader

can't find referenced class javax.xml.stream.events.XMLEvent

这是因为它们是 Java 运行时 ( rt.jar) 的一部分,而不是 Android 运行时 ( android.jar) 的一部分,所以 ProGuard 会发出警告,说某些东西可能会被破坏。这实际上不是问题,因此我们可以执行以下操作:

-dontwarn javax.xml.stream.events.**

资源

结合zmicer的回答,我得到以下

-dontwarn javax.xml.stream.events.**

-keep public class org.simpleframework.** { *; }
-keep class org.simpleframework.xml.** { *; }
-keep class org.simpleframework.xml.core.** { *; }
-keep class org.simpleframework.xml.util.** { *; }

-keepattributes ElementList, Root

-keepclassmembers class * {
    @org.simpleframework.xml.* *;
}
于 2016-01-25T10:55:08.453 回答
1

尝试将此添加到您的 proguard 文件中:

-keep public class org.simpleframework.** { *; }
-keep class org.simpleframework.xml.** { *; }
-keep class org.simpleframework.xml.core.** { *; }
-keep class org.simpleframework.xml.util.** { *; }

-keepattributes ElementList, Root

-keepclassmembers class * {
    @org.simpleframework.xml.* *;
}

这为我修好了。

于 2014-05-08T12:31:44.713 回答
1

proguard 文件的这个确切添加对我有用:

-dontwarn javax.xml.stream.**

-keep public class org.simpleframework.** { *; }
-keep class org.simpleframework.xml.** { *; }
-keep class org.simpleframework.xml.core.** { *; }
-keep class org.simpleframework.xml.util.** { *; }

-keepattributes ElementList, Root

-keepclassmembers class * {
    @org.simpleframework.xml.* *;
}
于 2017-05-24T08:06:49.757 回答