Android 第三方库常用混淆

ButterKnife 

implementation 'com.jakewharton:butterknife:9.0.0'
annotationProcessor 'com.jakewharton:butterknife-compiler:9.0.0'


# ------------ButterKnife--------------------------------------
# Retain generated class which implement Unbinder.
# 保留生成Unbinder的生成类
-keep public class * implements butterknife.Unbinder { public (**, android.view.View); }

# Prevent obfuscation of types which use ButterKnife annotations since the simple name
# is used to reflectively look up the generated ViewBinding.
# 防止使用ButterKnife注释的类型的混淆，因为简单的名称用于反射地查找生成的ViewBinding
-keep class butterknife.*
-keepclasseswithmembernames class * { @butterknife.* ; }
-keepclasseswithmembernames class * { @butterknife.* ; }
# ------------ButterKnife--------------------------------------

Glide

implementation 'com.github.bumptech.glide:glide:4.9.0'
annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'


# ------------Glide--------------------------------------
-keep public class * implements com.bumptech.glide.module.GlideModule
-keep public class * extends com.bumptech.glide.module.AppGlideModule
-keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
  **[] $VALUES;
  public *;
}
# for DexGuard only
# -keepresourcexmlelements manifest/application/meta-data@value=GlideModule
# ------------Glide--------------------------------------

okhttp3

implementation 'com.squareup.okhttp3:logging-interceptor:3.14.1'
implementation 'com.squareup.okhttp3:okhttp:3.14.1'


# ------------okhttp3--------------------------------------
# JSR 305 annotations are for embedding nullability information.
# JSR 305注释用于嵌入可空性信息
-dontwarn javax.annotation.**

# A resource is loaded with a relative path so the package of this class must be preserved.
# 资源加载了相对路径，因此必须保留此类的包。
-keepnames class okhttp3.internal.publicsuffix.PublicSuffixDatabase

# Animal Sniffer compileOnly dependency to ensure APIs are compatible with older versions of Java.
# Animal Sniffer compileOnly依赖项，以确保API与旧版本的Java兼容
-dontwarn org.codehaus.mojo.animal_sniffer.*

# OkHttp platform used only on JVM and when Conscrypt dependency is available.
# OkHttp平台仅在JVM上使用，并且当Conscrypt依赖性可用时。
-dontwarn okhttp3.internal.platform.ConscryptPlatform
# ------------okhttp3--------------------------------------

 RxJava RxAndroid

-dontwarn sun.misc.**
-keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
    long producerIndex;
    long consumerIndex;
}
-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueProducerNodeRef {
    rx.internal.util.atomic.LinkedQueueNode producerNode;
}
-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueConsumerNodeRef {
    rx.internal.util.atomic.LinkedQueueNode consumerNode;
}

retrofit2

implementation 'com.squareup.retrofit2:retrofit:2.5.0'
implementation 'com.squareup.retrofit2:adapter-rxjava2:2.5.0'
implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
implementation 'com.squareup.retrofit2:converter-jackson:2.5.0'

implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
implementation 'io.reactivex.rxjava2:rxjava:2.2.6'


# ------------retrofit2--------------------------------------
# Retrofit does reflection on generic parameters. InnerClasses is required to use Signature and
# EnclosingMethod is required to use InnerClasses.
# Retrofit会对通用参数进行反射。 InnerClasses需要使用Signature，并且EnclosingMethod需要使用InnerClasses。
-keepattributes Signature, InnerClasses, EnclosingMethod

# Retrofit does reflection on method and parameter annotations.
# Retrofit会对方法和参数注释进行反射。
-keepattributes RuntimeVisibleAnnotations, RuntimeVisibleParameterAnnotations

# Retain service method parameters when optimizing.
# 优化时保留服务方法参数。
-keepclassmembers,allowshrinking,allowobfuscation interface * {
    @retrofit2.http.* ;
}

# Ignore annotation used for build tooling.
# 忽略用于构建工具的注释。
-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement

# Ignore JSR 305 annotations for embedding nullability information.
# 忽略JSR 305注释以嵌入可为空性信息。
-dontwarn javax.annotation.**

# Guarded by a NoClassDefFoundError try/catch and only used when on the classpath.
# 由NoClassDefFoundError守护 try / catch，仅在类路径上使用。
-dontwarn kotlin.Unit

# Top-level functions that can only be used by Kotlin.
# 顶级功能，只能由Kotlin使用。
-dontwarn retrofit2.KotlinExtensions

# With R8 full mode, it sees no subtypes of Retrofit interfaces since they are created with a Proxy
# and replaces all potential values with null. Explicitly keeping the interfaces prevents this.
# 使用R8完整模式时，它不会看到Retrofit接口的子类型，因为它们是使用Proxy创建的，
# 并用null替换所有可能的值。明确地保持接口可以防止这种情况。
-if interface * { @retrofit2.http.* ; }
-keep,allowobfuscation interface <1>
# ------------retrofit2--------------------------------------

BaseRecyclerViewAdapterHelper

# BaseRecyclerViewAdapterHelper
-keep class com.chad.library.adapter.** {
*;
}
-keep public class * extends com.chad.library.adapter.base.BaseQuickAdapter
-keep public class * extends com.chad.library.adapter.base.BaseViewHolder
-keepclassmembers public class * extends com.chad.library.adapter.base.BaseViewHolder {
           (android.view.View);
}

Android architecture components: Lifecycle

//for lifecycle and LiveData and ViewModel
implementation "android.arch.lifecycle:runtime:1.1.1"
implementation "android.arch.lifecycle:extensions:1.1.1"

annotationProcessor "android.arch.lifecycle:compiler:1.1.1"

implementation "android.arch.persistence.room:runtime:1.1.1"
annotationProcessor "android.arch.persistence.room:compiler:1.1.1"
// paging
implementation "android.arch.paging:runtime:1.0.1"



# ------------lifecycle--------------------------------------
# Android architecture components: Lifecycle
# Android架构组件：生命周期
# LifecycleObserver's empty constructor is considered to be unused by proguard
# LifecycleObserver的空构造函数被proguard认为是未使用的
-keepclassmembers class * implements android.arch.lifecycle.LifecycleObserver {
    (...);
}
# ViewModel's empty constructor is considered to be unused by proguard
# ViewModel的空构造函数被proguard视为未使用
-keepclassmembers class * extends android.arch.lifecycle.ViewModel {
    (...);
}
# keep Lifecycle State and Event enums values
# 保留生命周期状态和事件枚举值
-keepclassmembers class android.arch.lifecycle.Lifecycle$State { *; }
-keepclassmembers class android.arch.lifecycle.Lifecycle$Event { *; }
# keep methods annotated with @OnLifecycleEvent even if they seem to be unused
# 保持使用@OnLifecycleEvent注释的方法，即使它们似乎未被使用
# (Mostly for LiveData.LifecycleBoundObserver.onStateChange(), but who knows)
-keepclassmembers class * {
    @android.arch.lifecycle.OnLifecycleEvent *;
}
-keepclassmembers class * implements android.arch.lifecycle.LifecycleObserver {
    (...);
}

-keep class * implements android.arch.lifecycle.LifecycleObserver {
    (...);
}
-keepclassmembers class android.arch.** { *; }
-keep class android.arch.** { *; }
-dontwarn android.arch.**

# paging 分页
-dontwarn android.arch.paging.DataSource
# Room 数据库
-dontwarn android.arch.persistence.room.paging.LimitOffsetDataSource

# ------------lifecycle--------------------------------------

Gson

implementation 'com.google.code.gson:gson:2.8.5'


##---------------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 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

# Prevent R8 from leaving Data object members always null
-keepclassmembers,allowobfuscation class * {
  @com.google.gson.annotations.SerializedName ;
}

##---------------End: proguard configuration for Gson  ----------

腾讯 Bugly

# tencent-bugly
# https://bugly.qq.com/docs/user-guide/instruction-manual-android/?v=20181014122344#multidex
-dontwarn com.tencent.bugly.**
-keep public class com.tencent.bugly.**{*;}

Android 支持库

# Android Support Library
# The support library contains references to newer platform versions.
# Don't warn about those in case this app is linking against an older
# platform version.  We know about them, and they are safe.
# 支持库包含对较新平台版本的引用。
# 如果此应用程序链接到较旧的平台版本，请不要警告这些。我们了解他们，他们是安全的。
-dontwarn android.support.**

# support-v7-cardview
-keep class android.support.v7.widget.RoundRectDrawable { *; }

# support-v7-appcompat
-keep public class android.support.v7.widget.** { *; }
-keep public class android.support.v7.internal.widget.** { *; }
-keep public class android.support.v7.internal.view.menu.** { *; }

-keep public class * extends android.support.v4.view.ActionProvider {
    public (android.content.Context);
}

# support-design
-dontwarn android.support.design.**
-keep class android.support.design.** { *; }
-keep interface android.support.design.** { *; }
-keep public class android.support.design.R$* { *; }

# support-v4
-keep class android.support.v4.** { *; }
-keep interface android.support.v4.** { *; }

# supprot-v7-preference
-keepclassmembers class android.support.v7.preference.PreferenceGroupAdapter {
    private ** mPreferenceLayouts;
}
-keepclassmembers class android.support.v7.preference.PreferenceGroupAdapter$PreferenceLayout {
    private int resId;
    private int widgetResId;
}

通用

# Keep the BuildConfig 
# todo 修改包名
-keep class com.example.BuildConfig { *; }

# keep setters in Views so that animations can still work.
# 在视图中保留setter，以便动画仍然可以工作。
-keepclassmembers public class * extends android.view.View {
   void set*(***);
   *** get*();
}

# We want to keep methods in Activity that could be used in the XML attribute onClick
# 我们希望在Activity中保留可在XML属性onClick中使用的方法
-keepclassmembers class * extends android.app.Activity {
   public void *(android.view.View);
}

# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
# 对于枚举类
-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

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

-keepclassmembers class **.R$* {
    public static ;
}

#############################################
#
# 对于一些基本指令的添加
#
#############################################
# 代码混淆压缩比，在0~7之间，默认为5，一般不做修改
-optimizationpasses 5

# 混合时不使用大小写混合，混合后的类名为小写
-dontusemixedcaseclassnames

# 指定不去忽略非公共库的类
-dontskipnonpubliclibraryclasses

# 这句话能够使我们的项目混淆后产生映射文件
# 包含有类名->混淆后类名的映射关系
-verbose

# 指定不去忽略非公共库的类成员
-dontskipnonpubliclibraryclassmembers

# 不做预校验，preverify是proguard的四个步骤之一，Android不需要preverify，去掉这一步能够加快混淆速度。
-dontpreverify

# 保留Annotation不混淆
-keepattributes *Annotation*,InnerClasses

# 避免混淆泛型
-keepattributes Signature

# 抛出异常时保留代码行号
-keepattributes SourceFile,LineNumberTable

# 指定混淆是采用的算法，后面的参数是一个过滤器
# 这个过滤器是谷歌推荐的算法，一般不做更改
-optimizations !code/simplification/cast,!field/*,!class/merging/*


#############################################
#
# Android开发中一些需要保留的公共部分
#
#############################################

# 保留我们使用的四大组件，自定义的Application等等这些类不被混淆
# 因为这些子类都有可能被外部调用
-keep public class * extends android.app.Activity
-keep public class * extends android.app.Appliction
-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 * extends android.view.View
-keep public class com.android.vending.licensing.ILicensingService


# 保留support下的所有类及其内部类
-keep class android.support.** {*;}

# 保留继承的
-keep public class * extends android.support.v4.**
-keep public class * extends android.support.v7.**
-keep public class * extends android.support.annotation.**

# 保留R下面的资源
-keep class **.R$* {*;}

# 保留本地native方法不被混淆
-keepclasseswithmembernames class * {
    native ;
}

# 保留在Activity中的方法参数是view的方法，
# 这样以来我们在layout中写的onClick就不会被影响
-keepclassmembers class * extends android.app.Activity{
    public void *(android.view.View);
}

# 保留枚举类不被混淆
-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

# 保留我们自定义控件（继承自View）不被混淆
-keep public class * extends android.view.View{
    *** get*();
    void set*(***);
    public (android.content.Context);
    public (android.content.Context, android.util.AttributeSet);
    public (android.content.Context, android.util.AttributeSet, int);
}

# 保留Parcelable序列化类不被混淆
-keep class * implements android.os.Parcelable {
    public static final android.os.Parcelable$Creator *;
}

# 保留Serializable序列化的类不被混淆
-keepclassmembers class * implements java.io.Serializable {
    static final long serialVersionUID;
    private static final java.io.ObjectStreamField[] serialPersistentFields;
    !static !transient ;
    !private ;
    !private ;
    private void writeObject(java.io.ObjectOutputStream);
    private void readObject(java.io.ObjectInputStream);
    java.lang.Object writeReplace();
    java.lang.Object readResolve();
}

# 对于带有回调函数的onXXEvent、**On*Listener的，不能被混淆
-keepclassmembers class * {
    void *(**On*Event);
    void *(**On*Listener);
}

# webView处理，项目中没有使用到webView忽略即可
-keepclassmembers class fqcn.of.javascript.interface.for.webview {
    public *;
}
-keepclassmembers class * extends android.webkit.webViewClient {
    public void *(android.webkit.WebView, java.lang.String, android.graphics.Bitmap);
    public boolean *(android.webkit.WebView, java.lang.String);
}
-keepclassmembers class * extends android.webkit.webViewClient {
    public void *(android.webkit.webView, jav.lang.String);
}

# 移除Log类打印各个等级日志的代码，打正式包的时候可以做为禁log使用，这里可以作为禁止log打印的功能使用
# 记得proguard-android.txt中一定不要加-dontoptimize才起作用
# 另外的一种实现方案是通过BuildConfig.DEBUG的变量来控制
-assumenosideeffects class android.util.Log {
    public static int v(...);
    public static int i(...);
    public static int w(...);
    public static int d(...);
    public static int e(...);
}

#-----------处理实体类---------------
# 在开发的时候我们可以将所有的实体类放在一个包内，这样我们写一次混淆就行了。
-keep public class com.ljd.example.entity.** {
    public void set*(***);
    public *** get*();
    public *** is*();
}