Android - Proguard 和改造 2？

【问题标题】：Android - Proguard and retrofit 2?Android - Proguard 和改造 2？
【发布时间】：2017-04-29 09:19:24
【问题描述】：

我在我的项目中使用Proguard，下面的代码在我的proguard-rules.pro 中：

# Retrofit
-keep class com.google.gson.** { *; }
-keep class com.google.inject.** { *; }
-keep class org.apache.http.** { *; }
-keep class org.apache.james.mime4j.** { *; }
-keep class javax.inject.** { *; }
-keep class javax.xml.stream.** { *; }
-keep class retrofit.** { *; }
-keep class com.google.appengine.** { *; }
-keepattributes *Annotation*
-keepattributes Signature
-dontwarn com.squareup.okhttp.*
-dontwarn rx.**
-dontwarn javax.xml.stream.**
-dontwarn com.google.appengine.**
-dontwarn java.nio.file.**
-dontwarn org.codehaus.**

-dontwarn retrofit2.**
-dontwarn org.codehaus.mojo.**
-keep class retrofit2.** { *; }
-keepattributes Exceptions
-keepattributes RuntimeVisibleAnnotations
-keepattributes RuntimeInvisibleAnnotations
-keepattributes RuntimeVisibleParameterAnnotations
-keepattributes RuntimeInvisibleParameterAnnotations

-keepattributes EnclosingMethod
-keepclasseswithmembers class * {
    @retrofit2.http.* <methods>;
}
-keepclasseswithmembers interface * {
    @retrofit2.* <methods>;
}
# Platform calls Class.forName on types which do not exist on Android to determine platform.
-dontnote retrofit2.Platform
# Platform used when running on RoboVM on iOS. Will not be used at runtime.
-dontnote retrofit2.Platform$IOS$MainThreadExecutor
# Platform used when running on Java 8 VMs. Will not be used at runtime.
-dontwarn retrofit2.Platform$Java8
# Retain generic type information for use by reflection by converters and adapters.
-keepattributes Signature
# Retain declared checked exceptions for use by a Proxy instance.
-keepattributes Exceptions

# Add any classes the interact with gson
# the following line is for illustration purposes
-keep class com.example.asheq.zanis_postmans.ListAddressesActivity
-keep class com.example.asheq.zanis_postmans.ListOrderActivity
-keep class com.example.asheq.zanis_postmans.LoginActivity
-keep class com.example.asheq.zanis_postmans.SendReportsActivity
-keep class com.example.asheq.track.TrackLocationService
-keep class com.example.asheq.track.TrackLocationApplication

# Hide warnings about references to newer platforms in the library
-dontwarn android.support.v7.**
# don't process support library
-keep class android.support.v7.** { *; }
-keep interface android.support.v7.** { *; }

但是当我运行我的apk 时让我崩溃：

下面是我的毕业典礼：

apply plugin: 'com.android.application'
repositories {
    mavenCentral()
    maven { url "https://oss.sonatype.org/content/repositories/snapshots/" }
}
android {
    compileSdkVersion 24
    buildToolsVersion "24.0.2"
    defaultConfig {
        applicationId "com.example.asheq.zanis_postmans"
        minSdkVersion 16
        targetSdkVersion 24
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        multiDexEnabled true
    }
    buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    compile fileTree(include: ['*.jar'], dir: 'libs')
    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
        exclude group: 'com.android.support', module: 'support-annotations'
    })
    compile 'com.android.support:appcompat-v7:24.2.1'
    compile 'com.android.support:multidex:1.0.1'
    compile 'com.google.android.gms:play-services:9.6.1'
    compile 'com.squareup.retrofit2:retrofit:2.1.0'
    compile 'com.squareup.retrofit2:converter-gson:2.1.0'
    compile 'org.parceler:parceler-api:1.0.4'
    compile 'com.google.android.gms:play-services:9.6.1'
    compile 'com.google.android.gms:play-services-maps:9.6.1'
    compile 'com.google.android.gms:play-services-places:9.6.1'
    compile 'com.android.support:design:24.2.1'
    compile 'com.google.android.gms:play-services-base:6.5.87'
    compile 'com.google.android.gms:play-services-location:6.5.87'
    compile 'com.google.maps.android:android-maps-utils:0.4.4'
    //compile 'com.squareup.okhttp3:okhttp:3.4.1'
    compile 'com.google.code.gson:gson:2.6.1'
    testCompile 'junit:junit:4.12'
    compile 'com.android.support:cardview-v7:24.2.1'
    compile 'com.android.support:recyclerview-v7:24.2.1'
    compile 'com.michaelpardo:activeandroid:3.1.0-SNAPSHOT'
    compile 'org.greenrobot:eventbus:3.0.0'
    compile 'com.squareup.retrofit:retrofit:1.9.0'
    compile 'com.weiwangcn.betterspinner:library-material:1.1.0'
    //compile 'com.squareup.okhttp3:logging-interceptor:3.3.1'
}

这是我的TrackLocationApplication.class：

public class TrackLocationApplication extends Application {

    private static final String KEY_REQUEST_DATA_NAME = "KEY_REQUEST_DATA_NAME";

    private LocationRequestData locationRequestData;
    private Location startLocation;

    @Override
    public void onCreate() {
        super.onCreate();

        //checkAndSetDeviceId();
        checkAndSetUserName();

        if (!retrieveLocationRequestData()) {
            //setLocationRequestData(LocationRequestData.FREQUENCY_MEDIUM);
            setLocationRequestData(LocationRequestData.FREQUENCY_HIGH);
        }
        initializeDB();
    }

    private boolean retrieveLocationRequestData() {
        String name = PreferenceManager.getDefaultSharedPreferences(this).getString(KEY_REQUEST_DATA_NAME, null);
        if (!TextUtils.isEmpty(name)) {
            LocationRequestData data = LocationRequestData.valueOf(name);
            if (data != null) {
                locationRequestData = data;
                return true;
            }
        }
        return false;
    }

    public void setLocationRequestData(LocationRequestData requestData) {
        locationRequestData = requestData;
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
        preferences.edit().putString(KEY_REQUEST_DATA_NAME, requestData.name()).apply();
    }

    public LocationRequestData getLocationRequestData() {
        if (locationRequestData == null) {
            if (!retrieveLocationRequestData()) {
                setLocationRequestData(LocationRequestData.FREQUENCY_HIGH);
            }
        }
        return locationRequestData;
    }

    public Location getStartLocation() {
        return startLocation;
    }

    public void setStartLocation(Location startLocation) {
        this.startLocation = startLocation;
    }

    public LocationRequest createLocationRequest() {
        LocationRequest locationRequest = new LocationRequest();
        locationRequest.setInterval(locationRequestData.getInterval());
        locationRequest.setFastestInterval(locationRequestData.getFastestInterval());
        locationRequest.setPriority(locationRequestData.getPriority());
        locationRequest.setSmallestDisplacement(locationRequestData.getSmallestDisplacement());
        return locationRequest;
    }

//    private void checkAndSetDeviceId() {
//        if (TextUtils.isEmpty(TrackLocationPreferencesManager.getDeviceId(this))) {
//            String deviceId = Utils.getUniqueDeviceId(this);
//            TrackLocationPreferencesManager.setDeviceId(deviceId, this);
//        }
//    }

    private void checkAndSetUserName() {
        if (TextUtils.isEmpty(TrackLocationPreferencesManager.getUserName(this))) {
            String userName = android.os.Build.MODEL;
            TrackLocationPreferencesManager.setUserName(userName, this);
        }
    }

    private void initializeDB() {
        Configuration.Builder configurationBuilder = new Configuration.Builder(this);
        configurationBuilder.addModelClasses(LocationData.class);
        ActiveAndroid.initialize(configurationBuilder.create());
    }

    @Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(base);
        MultiDex.install(this);
    }
}

【问题讨论】：

    标签： android retrofit obfuscation retrofit2 android-proguard


    【解决方案1】：

    您需要保留模型，不要混淆它们。我看到你的模型有错误，sqlite 不能在你的模型上工作。应该是这样的：

    -keep class package.to.yourmodels.** { *; }

    【讨论】：

    • 只有这个对我有用。我也试过这个stackoverflow.com/questions/35506111/…。但只有肉山山解决方案对我有用
    • 谢谢！我花了太多时间才发现这个问题，但现在一切正常
    【解决方案2】：

    2021解决方案

    在您的数据类之前使用@keep 注释，以便保留它们。这消除了拥有单独的 Proguard 规则的需要。

    表示在构建时缩小代码时不应删除带注释的元素。这通常用于仅通过反射访问的方法和类，因此编译器可能会认为代码未使用。

    @Keep
data class Listing(
    val id: String = "",
    val name: String = ""
)

    来源：https://developer.android.com/reference/kotlin/androidx/annotation/Keep

    【讨论】：

    • 如果我有 100 个数据类怎么办？一次循环遍历它们？这不合逻辑！
    • 这有效（在请求和响应的主体对象上实现），但为什么它保留类的名称和字段名称？我不能让他们混淆吗？例如，我看到 @SerializedName("country") val country: String? 的所有内容都相同。我至少不能混淆字段名称吗？
    • @blueware 确实可行，但正如您所说，这很烦人，而且我发现它不会改变任何东西的名称。这就是我发现的工作：stackoverflow.com/a/66670232/878126
    【解决方案3】：

    解决了我的问题：

    # Add project specific ProGuard rules here.
# By default, the flags in this file are appended to flags specified
# in C:\Users\asheq\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
# You can edit the include path and order by changing the proguardFiles
# directive in build.gradle.
#
# For more details, see
#   http://developer.android.com/guide/developing/tools/proguard.html

# Add any project specific keep options here:

# 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 *;
#}

# Retrofit
-keep class com.google.gson.** { *; }
-keep public class com.google.gson.** {public private protected *;}
-keep class com.google.inject.** { *; }
-keep class org.apache.http.** { *; }
-keep class org.apache.james.mime4j.** { *; }
-keep class javax.inject.** { *; }
-keep class javax.xml.stream.** { *; }
-keep class retrofit.** { *; }
-keep class com.google.appengine.** { *; }
-keepattributes *Annotation*
-keepattributes Signature
-dontwarn com.squareup.okhttp.*
-dontwarn rx.**
-dontwarn javax.xml.stream.**
-dontwarn com.google.appengine.**
-dontwarn java.nio.file.**
-dontwarn org.codehaus.**



-dontwarn retrofit2.**
-dontwarn org.codehaus.mojo.**
-keep class retrofit2.** { *; }
-keepattributes Exceptions
-keepattributes RuntimeVisibleAnnotations
-keepattributes RuntimeInvisibleAnnotations
-keepattributes RuntimeVisibleParameterAnnotations
-keepattributes RuntimeInvisibleParameterAnnotations

-keepattributes EnclosingMethod
-keepclasseswithmembers class * {
    @retrofit2.http.* <methods>;
}
-keepclasseswithmembers interface * {
    @retrofit2.* <methods>;
}
# Platform calls Class.forName on types which do not exist on Android to determine platform.
-dontnote retrofit2.Platform
# Platform used when running on RoboVM on iOS. Will not be used at runtime.
-dontnote retrofit2.Platform$IOS$MainThreadExecutor
# Platform used when running on Java 8 VMs. Will not be used at runtime.
-dontwarn retrofit2.Platform$Java8
# Retain generic type information for use by reflection by converters and adapters.
-keepattributes Signature
# Retain declared checked exceptions for use by a Proxy instance.
-keepattributes Exceptions



# Add any classes the interact with gson
# the following line is for illustration purposes
-keep class com.example.asheq.zanis_postmans.ListAddressesActivity
-keep class com.example.asheq.zanis_postmans.ListOrderActivity
-keep class com.example.asheq.zanis_postmans.LoginActivity
-keep class com.example.asheq.zanis_postmans.SendReportsActivity
-keep class com.example.asheq.track.TrackLocationService
-keep class com.example.asheq.track.TrackLocationApplication
-keep class com.example.asheq.models.** { *; }



# Hide warnings about references to newer platforms in the library
-dontwarn android.support.v7.**
# don't process support library
-keep class android.support.v7.** { *; }
-keep interface android.support.v7.** { *; }

-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application
-keep public class * extends android.app.MapActivity
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
# To support Enum type of class members
-keepclassmembers enum * { *; }

-keep class com.activeandroid.** { *; }
-keep class com.activeandroid.**.** { *; }
-keep class * extends com.activeandroid.Model
-keep class * extends com.activeandroid.serializer.TypeSerializer

-keepclassmembers class ** {
    @org.greenrobot.eventbus.Subscribe <methods>;
}
-keep enum org.greenrobot.eventbus.ThreadMode { *; }

# Only required if you use AsyncExecutor
-keepclassmembers class * extends org.greenrobot.eventbus.util.ThrowableFailureEvent {
    <init>(java.lang.Throwable);
}

    【讨论】：

    • 这似乎有很多与问题无关的规则。我应该使用哪些部件？
    【解决方案4】：

    根据 rerofit 3.8.1

    -dontwarn okio.**
-dontwarn javax.annotation.**
-dontwarn retrofit2.Platform$Java8

    【讨论】：

    • -dontwarn javax.annotation.** 我错过了这一行。非常感谢。
    【解决方案5】：

    当前的 Proguard 规则（截至 12 月 18 日）为 here。

    # Retrofit does reflection on generic parameters. InnerClasses is required to use Signature and
# EnclosingMethod is required to use InnerClasses.
-keepattributes Signature, InnerClasses, EnclosingMethod

# Retain service method parameters when optimizing.
-keepclassmembers,allowshrinking,allowobfuscation interface * {
    @retrofit2.http.* <methods>;
}

# Ignore annotation used for build tooling.
-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement

# Ignore JSR 305 annotations for embedding nullability information.
-dontwarn javax.annotation.**

# Guarded by a NoClassDefFoundError try/catch and only used when on the classpath.
-dontwarn kotlin.Unit

# Top-level functions that can only be used by Kotlin.
-dontwarn retrofit2.-KotlinExtensions

    【讨论】：

      【解决方案6】：

      我注意到为每个类添加@Keep 的注释确实可以解决所有问题，但也不会更改我设置的所有内容的名称。

      所以，我的解决方案有点不同：

      将所有请求、响应和他们需要（保存数据）的类放入某个文件夹（或文件夹，如果您想更有条理），并在“proguard-rules.pro”文件中创建 Proguard 规则：

      -keep,allowobfuscation class com.your_library.rest_objects.** { *; }

      或者，如果由于某种原因这不起作用，您可以使用它（来自here）：

      -keep public class * {
    public protected *;
}

      另外，如果你构建一个混淆库，你应该把它（第二个，而不是带有“allowobfuscation”的那个）放在“consumer-rules.pro”中，并确保在它的 gradle 文件中有这个： 

          buildTypes {
        release {
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
//        https://developer.android.com/studio/projects/android-library
            consumerProguardFiles 'consumer-rules.pro'
        }
    }

      【讨论】：

        【解决方案7】：

        对于 retrofit 和 GSON，您需要在 proguard-rules.pro 文件中添加以下规则

        对于改造请添加以下规则

        # Retrofit
-dontwarn retrofit2.**
-dontwarn org.codehaus.mojo.**
-keep class retrofit2.** { *; }
-keepattributes Signature
-keepattributes Exceptions
-keepattributes *Annotation*

-keepattributes RuntimeVisibleAnnotations
-keepattributes RuntimeInvisibleAnnotations
-keepattributes RuntimeVisibleParameterAnnotations
-keepattributes RuntimeInvisibleParameterAnnotations

-keepattributes EnclosingMethod

-keepclasseswithmembers class * {
    @retrofit2.* <methods>;
}

-keepclasseswithmembers interface * {
    @retrofit2.* <methods>;
}
# Platform calls Class.forName on types which do not exist on Android to determine platform.
-dontnote retrofit2.Platform
# Platform used when running on RoboVM on iOS. Will not be used at runtime.
-dontnote retrofit2.Platform$IOS$MainThreadExecutor
# Platform used when running on Java 8 VMs. Will not be used at runtime.
-dontwarn retrofit2.Platform$Java8
# Retain generic type information for use by reflection by converters and adapters.
-keepattributes Signature
# Retain declared checked exceptions for use by a Proxy instance.
-keepattributes Exceptions

        对于GSON请添加以下规则

        ##--- Begin: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.** { *; }

# 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

# keep enum so gson can deserialize it
-keepclassmembers enum * { *; }

# Application classes that will be serialized/deserialized over Gson
-keep class net.mreunionlabs.wob.model.request.** { *; }
-keep class net.mreunionlabs.wob.model.response.** { *; }
-keep class net.mreunionlabs.wob.model.gson.** { *; }
##--- End:GSON ----
##--- End:GSON ----

        【讨论】：

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