Proguard的谷歌播放服务的jar [英] Proguard google play services jar

问题描述

我试图混淆谷歌发挥服务罐子使用ProGuard。
我试过proguard的配置文件的两个版本。

I'm trying to obfuscate google play services jar with proguard. I tried two versions of the proguard config file.

1. 首先一个含有

1. First one contains

-keep class ** {
    public protected *;
}

和罐子保持不混乱。它看起来不错。

And the jar stays not obfuscated. It looks ok.

第二个包含

-keep class com.** {
    public protected *;
}

和ProGuard的删除everithing。我得到一个错误：

And proguard deletes everithing. I get an error:

    Error: The output jar is empty. Did you specify the proper '-keep' options?

为什么是空的，作为主要的谷歌播放服务包是com.google.android.gms？

Why is it empty, as the main google play services package is com.google.android.gms?

推荐答案

以下ProGuard的配置缩小了谷歌Play服务的罐子，没有优化或模糊，只保留广告相关的API：

The following ProGuard configuration shrinks the Google Play Services jar, without optimization or obfuscation, keeping only the ads-related API:

-injars  android-sdk/extras/google/google_play_services/libproject/google-play-services_lib/libs/google-play-services.jar
-outjars google-play-services-ads.jar

-libraryjars android-sdk/extras/android/support/v4/android-support-v4.jar
-libraryjars android-sdk/platforms/android-20/android.jar

-verbose
-forceprocessing
-dontoptimize
-dontobfuscate
-dontwarn com.google.**.R
-dontwarn com.google.**.R$*
-dontnote

-keep public class com.google.ads.** {
    public protected *;
}

-keep public class com.google.android.gms.ads.** {
    public protected *;
}

-keep class com.google.android.gms.common.internal.safeparcel.SafeParcelable {
    java.lang.String NULL;
}

它减少了原来的罐子从2819类409类（2.7M至476K）。我没有测试过，结果呢。如果任何移除类由反射访问，它们必须保持在配置以及

It reduces the original jar from 2819 classes to 409 classes (2.7M to 476K). I haven't tested the result yet. If any removed classes are accessed by reflection, they need to be kept in the configuration as well.

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