详解Android代码混淆实战

buildTypes {
    release {
      //开启混淆,删除无用代码
      minifyEnabled true
      //开启删除无用资源
      shrinkResources true
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
    debug {
      //在debug环境下使用混淆，方便调试
      signingConfig signingConfigs.debug
      minifyEnabled false
      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
      manifestPlaceholders = [
          // UAT 测试环境
          GETUI_APP_ID  : "FZi793fjp9654LfeDPcR29",
          GETUI_APP_KEY  : "YrVmZT4KTp65hqAtZbCj79",
          GETUI_APP_SECRET: "aLf186Rb617uj7jeNnUB89"
      ]
    }
  }
}

##################################通过混淆配置#################################
# 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
-dontoptimize

# 混淆时是否记录日志
-verbose
-ignorewarnings

# 保留Annotation不混淆
-keepattributes *Annotation*

# 避免混淆泛型
-keepattributes Signature
-keepattributes Exceptions,InnerClasses

-dontnote com.google.vending.licensing.ILicensingService
-dontnote com.android.vending.licensing.ILicensingService

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

# 重命名抛出异常时的文件名称
-renamesourcefileattribute SourceFile

# 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.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 * 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$* {*;}
# 保留本地native方法不被混淆
-keepclasseswithmembernames class * {
native <methods ;
}
# 保留在Activity中的方法参数是view的方法，
# 这样以来我们在layout中写的onClick就不会被影响
-keepclassmembers class * extends android.app.Activity{
public void *(android.view.View);
}
# 保留枚举类不被混淆
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
# 保留我们自定义控件（继承自View）不被混淆
-keep public class * extends android.view.View{
*** get*();
void set*(***);
public <init (android.content.Context);
public <init (android.content.Context, android.util.AttributeSet);
public <init (android.content.Context, android.util.AttributeSet, int);
}
# 保留Parcelable序列化类不被混淆
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$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 <fields ;
!private <fields ;
!private <methods ;
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);

#网络请求等与外界通信不能混淆
-keep class com.xxxxx.function.**.net.** { *; }
-keep class com.xxxxx.function.**.bean.** { *; }
-keep class com.xxxxx.common.net.** { *; }
-keep class com.xxxxx.common.bean.** { *; }
#加密不能混淆
-keep class com.xxxxx.crypt.** {*;}
#数据库实体类不能混淆
-keep class com.xxxxxx.function.**.dao.** { *; }
#工具类不混淆
-keep class com.xxxxx.common.utils.** { *; }
#greenDAO 3
#-keepclassmembers class * extends org.greenrobot.greendao.AbstractDao {
#public static java.lang.String TABLENAME;
#}
#-keep class **$Properties
#-dontwarn org.greenrobot.greendao.database.**
#-dontwarn rx.**
#greenDAO 3
# Fresco
#-keep class com.facebook.** {*;}
#-keep interface com.facebook.** {*;}
#-keep enum com.facebook.** {*;}
# OkHttp3
-dontwarn com.squareup.okhttp3.**
-keep class com.squareup.okhttp3.** { *;}
-dontwarn okio.**
#Picasso
#-dontwarn com.squareup.okhttp.**
#zxing
-dontwarn com.google.zxing.**
-keep class com.google.zxing.** { *; }
#webview
-dontwarn com.tencent.**
#eventbus不能混淆
-keepattributes *Annotation*
-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);
}
#如果项目中倒入了de.greenrobot.even的beta1版本，需要添加此行代码
-keepclassmembers class ** {
public void onEvent*(**);
}
#高德
-dontwarn com.amap.api.**
-keep class com.amap.api.** {*;}
#bugout
-dontwarn com.qamaster.android.**
-dontwarn com.testin.agent.**
-keepattributes InnerClasses
-keep class com.testin.agent.** { *; }
-keepattributes SourceFile, LineNumberTable
#butterknife
-keep class butterknife.** { *; }
-dontwarn butterknife.internal.**
-keep class **$$ViewBinder { *; }
-keepclasseswithmembernames class * {
@butterknife.* <fields ;
}
-keepclasseswithmembernames class * {
@butterknife.* <methods ;
}
#sharesdk
-keep class cn.sharesdk.**{*;}
-keep class com.sina.**{*;}
-keep class **.R$* {*;}
-keep class **.R{*;}
-dontwarn cn.sharesdk.**
-dontwarn **.R$*
-dontwarn com.tencent.**
-keep class com.tencent.** {*;}
# rx
-dontwarn rx.**
-keepclassmembers class rx.** { *; }
# retrolambda
-dontwarn java.lang.invoke.*
# Glide specific rules #
-keep public class * implements com.bumptech.glide.module.GlideModule
-keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
**[] $VALUES;
public *;
}
#友盟统计
-keep class com.umeng.message.protobuffer.* {
public <fields ;
public <methods ;
}
-keep class com.umeng.message.* {
public <fields ;
public <methods ;
}
#ormLite
-keep public class * extends com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper
-keep public class * extends com.j256.ormlite.android.apptools.OpenHelperManager
-keepclassmembers class * {@com.j256.ormlite.field.DatabaseField *;}
-keep class com.j256.ormlite.** {*;}
# Gson specific classes
-keep class sun.misc.Unsafe { *; }
-keep class com.google.gson.stream.** { *; }
#zbar
-keep class net.sourceforge.zbar.**{*;}
-keep class com.nineoldandroids.** {*;}
#身份证ocr
-keep class com.yd.ocr.idcard.** { *; }
-keep class com.googlecode.** { *; }
-keep class org.opencv.** { *; }
#讯飞语音
-keep class com.iflytek.** { *; }
# FastJson 混淆代码
-dontwarn com.alibaba.fastjson.**
-keep class com.alibaba.fastjson.** { *; }
-keepattributes Signature
-keepattributes *Annotation*