我正在为我的 Android 项目设置 ProGuard。我的项目也使用GSON。
我研究了 ProGuard 配置与 GSON 和 Android 的兼容性,并发现了 google-gson 提供的这个示例https://code.google.com/p/google-gson/source/browse/trunk/examples/android-proguard-example/proguard.cfg.
ProGuard 配置复制如下:
##---------------Begin: proguard configuration common for all Android apps ----------
-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontskipnonpubliclibraryclassmembers
-dontpreverify
-verbose
-dump class_files.txt
-printseeds seeds.txt
-printusage unused.txt
-printmapping mapping.txt
-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
-allowaccessmodification
-keepattributes *Annotation*
-renamesourcefileattribute SourceFile
-keepattributes SourceFile,LineNumberTable
-repackageclasses ''
-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
-dontnote com.android.vending.licensing.ILicensingService
# Explicitly preserve all serialization members. The Serializable interface
# is only a marker interface, so it wouldn't save them.
-keepclassmembers class * implements java.io.Serializable {
static final long serialVersionUID;
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();
}
# Preserve all native method names and the names of their classes.
-keepclasseswithmembernames class * {
native <methods>;
}
-keepclasseswithmembernames class * {
public <init>(android.content.Context, android.util.AttributeSet);
}
-keepclasseswithmembernames class * {
public <init>(android.content.Context, android.util.AttributeSet, int);
}
# Preserve static fields of inner classes of R classes that might be accessed
# through introspection.
-keepclassmembers class **.R$* {
public static <fields>;
}
# Preserve the special static methods that are required in all enumeration classes.
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep public class * {
public protected *;
}
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}
##---------------End: proguard configuration common for all Android apps ----------
##---------------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
-keep class sun.misc.Unsafe { *; }
#-keep class com.google.gson.stream.** { *; }
# Application classes that will be serialized/deserialized over Gson
-keep class com.google.gson.examples.android.model.** { *; }
##---------------End: proguard configuration for Gson ----------
问题:
我看到这个文件自2011年以来就没有更新过,是否仍然建议使用?我问这个问题是因为 Android/GSON 从那时起已经发生了很大的变化,所以我不知道上面的内容有多少是不必要的或不正确的。
如果不推荐,Android 中是否有新的 GSON 推荐 ProGuard 配置?
我认为默认情况下,您拥有的大部分设置已经包含在 Android SDK 中。
因此,您可以删除其中的大部分内容,只保留专门用于 GSON 的部分。
我正在 Eclipse 中使用 Android SDK Tools 22.6.3 以及附带的 ProGuard 的任何版本进行开发。
这是我用于 GSON 2.2.4 的内容(按照他们的例子):
##---------------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
# Gson specific classes
-keep class sun.misc.Unsafe { *; }
#-keep class com.google.gson.stream.** { *; }
# Application classes that will be serialized/deserialized over Gson
# -keep class mypersonalclass.data.model.** { *; }
它看起来与您所拥有的完全相同,只是我不需要有关注释的行。
你可以看到我注释掉了一些我自己添加的类。如果您序列化/反序列化自己的类,则需要在此处声明它们以代替对mypersonalclass.data.model
。这非常重要,因为您不希望 ProGuard 混淆 GSON 用于序列化的字段或类名称。
我总是在那里留下这些类型的注释,所以我知道如何配置下一个库或应用程序。
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