「Android(安卓)进阶」Android(安卓)项目代码混淆，防反编译

前言

安全意思比较薄弱，参与负责项目工程代码无混淆代码，究其原因

混淆会导致 App 运行可能出错，不愿深入研究；
测试与产品经理规划中无此需求；

在图形化反编译工具 jadx 面前，工程核心代码一览无余，新工作中测试人员提出，项目 app 必须混淆代码，研究与参考相关文章，记录模板，后续项目混淆直接参考；

混淆流程

build.gradle 文件中配置项目混淆

buildTypes {    release {        minifyEnabled true // 打包是否混淆，true -> Yes        // android 混淆默认配置文件proguard-rules.txt 更改为项目自定义配置文件 proguard-rules.pro        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'        signingConfig signingConfigs.release    }    debug {        minifyEnabled false //debug 版本取消混淆代码        signingConfig signingConfigs.debug    }}

proguard-rules.pro 文件配置参考, 参考模板

############################################### 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-keepnames class * implements java.io.Serializable-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(...);#} ############################################### 项目中特殊处理部分############################################## #-----------处理反射类---------------   #-----------处理js交互---------------   #-----------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 class com.blankj.data.bean.**{ *; }  #-----------处理第三方依赖库---------

常用第三方库文件混淆配置

# AndroidEventBus-keep class org.simple.** { *; }-keep interface org.simple.** { *; }-keepclassmembers class * {    @org.simple.eventbus.Subscriber ;}# 百度地图（jar包换成自己的版本，记得签名要匹配）-libraryjars libs/baidumapapi_v2_1_3.jar-keep class com.baidu.** {*;}-keep class vi.com.** {*;}-keep class com.sinovoice.** {*;}-keep class pvi.com.** {*;}-dontwarn com.baidu.**-dontwarn vi.com.**-dontwarn pvi.com.**# BRVAH-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);}# Bugly-dontwarn com.tencent.bugly.**-keep class com.tencent.bugly.** {*;}# ButterKnife-keep public class * implements butterknife.Unbinder {    public (**, android.view.View);}-keep class butterknife.*-keepclasseswithmembernames class * {    @butterknife.* ;}-keepclasseswithmembernames class * {    @butterknife.* ;}# Dagger2-dontwarn com.google.errorprone.annotations.*# EventBus-keepattributes *Annotation*-keepclassmembers class ** {    @org.greenrobot.eventbus.Subscribe ;}-keep enum org.greenrobot.eventbus.ThreadMode { *; }# Facebook-keep class com.facebook.** {*;}-keep interface com.facebook.** {*;}-keep enum com.facebook.** {*;}# FastJson-dontwarn com.alibaba.fastjson.**-keep class com.alibaba.fastjson.** { *; }-keepattributes Signature-keepattributes *Annotation*# Fresco-keep class com.facebook.fresco.** {*;}-keep interface com.facebook.fresco.** {*;}-keep enum com.facebook.fresco.** {*;}# 高德相关依赖# 集合包:3D地图3.3.2 导航1.8.0 定位2.5.0-dontwarn com.amap.api.**-dontwarn com.autonavi.**-keep class com.amap.api.**{*;}-keep class com.autonavi.**{*;}# 地图服务-dontwarn com.amap.api.services.**-keep class com.map.api.services.** {*;}# 3D地图-dontwarn com.amap.api.mapcore.**-dontwarn com.amap.api.maps.**-dontwarn com.autonavi.amap.mapcore.**-keep class com.amap.api.mapcore.**{*;}-keep class com.amap.api.maps.**{*;}-keep class com.autonavi.amap.mapcore.**{*;}# 定位-dontwarn com.amap.api.location.**-dontwarn com.aps.**-keep class com.amap.api.location.**{*;}-keep class com.aps.**{*;}# 导航-dontwarn com.amap.api.navi.**-dontwarn com.autonavi.**-keep class com.amap.api.navi.** {*;}-keep class com.autonavi.** {*;}# Glide-keep public class * implements com.bumptech.glide.module.GlideModule-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {  **[] $VALUES;  public *;}### greenDAO 3-keepclassmembers class * extends org.greenrobot.greendao.AbstractDao {public static java.lang.String TABLENAME;        94  }-keep class **$Properties # If you do not use SQLCipher:-dontwarn org.greenrobot.greendao.database.**# If you do not use RxJava:-dontwarn rx.**# Gson-keepattributes Signature-keepattributes *Annotation*-keep class sun.misc.Unsafe { *; }-keep class com.google.gson.stream.** { *; }# 使用Gson时需要配置Gson的解析对象及变量都不混淆。不然Gson会找不到变量。# 将下面替换成自己的实体类#-keep class com.example.bean.** { *; }# Jackson-dontwarn org.codehaus.jackson.**-dontwarn com.fasterxml.jackson.databind.**-keep class org.codehaus.jackson.** { *;}-keep class com.fasterxml.jackson.** { *; }# 极光推送-dontoptimize-dontpreverify-dontwarn cn.jpush.**-keep class cn.jpush.** { *; }# OkHttp-dontwarn okio.**-dontwarn okhttp3.**-dontwarn javax.annotation.Nullable-dontwarn javax.annotation.ParametersAreNonnullByDefault# Okio-dontwarn com.squareup.**  -dontwarn okio.**  -keep public class org.codehaus.* { *; }  -keep public class java.nio.* { *; }# OrmLite-keepattributes *DatabaseField* -keepattributes *DatabaseTable* -keepattributes *SerializedName*  -keep class com.j256.**-keepclassmembers class com.j256.** { *; }-keep enum com.j256.**-keepclassmembers enum com.j256.** { *; }-keep interface com.j256.**-keepclassmembers interface com.j256.** { *; }# Realm-keep class io.realm.annotations.RealmModule-keep @io.realm.annotations.RealmModule class *-keep class io.realm.internal.Keep-keep @io.realm.internal.Keep class * { *; }-dontwarn javax.**-dontwarn io.realm.**# Retrofit-keep class retrofit2.** { *; }-dontwarn retrofit2.**-keepattributes Signature-keepattributes Exceptions-dontwarn okio.**-dontwarn javax.annotation.**# Retrolambda-dontwarn java.lang.invoke.*# 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;}-dontnote rx.internal.util.PlatformDependent# Universal-Image-Loader-v1.9.5-libraryjars libs/universal-image-loader-1.9.5-SNAPSHOT-with-sources.jar-dontwarn com.nostra13.universalimageloader.**-keep class com.nostra13.universalimageloader.** { *; }# 微信支付-dontwarn com.tencent.mm.**-dontwarn com.tencent.wxop.stat.**-keep class com.tencent.mm.** {*;}-keep class com.tencent.wxop.stat.**{*;}# 信鸽-keep public class * extends android.app.Service-keep public class * extends android.content.BroadcastReceiver-keep class com.tencent.android.tpush.**  {* ;}-keep class com.tencent.mid.**  {* ;}-keepattributes *Annotation*# 新浪微博-keep class com.sina.weibo.sdk.* { *; }-keep class android.support.v4.* { *; }-keep class com.tencent.* { *; }-keep class com.baidu.* { *; }-keep class lombok.ast.ecj.* { *; }-dontwarn android.support.v4.**-dontwarn com.tencent.**s-dontwarn com.baidu.**# XLog-keep class com.tencent.mars.** { *; }-keepclassmembers class com.tencent.mars.** { *; }-dontwarn com.tencent.mars.**# 讯飞语音-dontwarn com.iflytek.**-keep class com.iflytek.** {*;}# xUtils3.0-keepattributes Signature,Annotation-keep public class org.xutils.** {public protected *;}-keep public interface org.xutils.** {public protected *;}-keepclassmembers class * extends org.xutils.** {public protected *;}-keepclassmembers @org.xutils.db.annotation.* class * {;}-keepclassmembers @org.xutils.http.annotation. class * {*;}-keepclassmembers class * {@org.xutils.view.annotation.Event ;}# 银联-dontwarn com.unionpay.**-keep class com.unionpay.** { *; }# 友盟统计分析-keepclassmembers class * { public (org.json.JSONObject); }-keepclassmembers enum com.umeng.analytics.** {    public static **[] values();    public static ** valueOf(java.lang.String);}# 友盟自动更新-keepclassmembers class * { public (org.json.JSONObject); }-keep public class cn.irains.parking.cloud.pub.R$*{ public static final int *; }-keep public class * extends com.umeng.**-keep class com.umeng.** { *; }# 支付宝钱包-dontwarn com.alipay.**-dontwarn HttpUtils.HttpFetcher-dontwarn com.ta.utdid2.**-dontwarn com.ut.device.**-keep class com.alipay.android.app.IAlixPay{*;}-keep class com.alipay.android.app.IAlixPay$Stub{*;}-keep class com.alipay.android.app.IRemoteServiceCallback{*;}-keep class com.alipay.android.app.IRemoteServiceCallback$Stub{*;}-keep class com.alipay.sdk.app.PayTask{ public *;}-keep class com.alipay.sdk.app.AuthTask{ public *;}-keep class com.alipay.mobilesecuritysdk.*-keep class com.ut.*

参考文章

Android Studio混淆模板及常用第三方混淆(看了都说好)

前言

混淆流程

参考文章

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