Android 混淆代碼總結(jié)

在離職之際，也沒有啥事可以做，就自己搗騰下代碼混淆，言歸正傳。

為了防止自己的勞動成果被別人竊取，混淆代碼能有效防止被反編譯，下面來總結(jié)以下混淆代碼的步驟：

1. 大家都注意到不管是用Eclipse還是用AS創(chuàng)建的項目在工程中會看到項目下邊有著proguard-project.txt的文件，這個對混淆代碼很重要，如果你不小心刪掉了，沒關(guān)系，從其他地方拷貝一個過來就可以了；

2. 最重要的就是在proguard-project.txt添加混淆的申明了：

a. 把所有你的jar包都申明進(jìn)來，例如：

-libraryjars libs/apns_1.0.6.jar

-libraryjars libs/armeabi/libBaiduMapSDK_v2_3_1.so

-libraryjars libs/armeabi/liblocSDK4.so

-libraryjars libs/baidumapapi_v2_3_1.jar

-libraryjars libs/core.jar

-libraryjars libs/gesture-imageview.jar

-libraryjars libs/gson-2.0.jar

-libraryjars libs/infogracesound.jar

-libraryjars libs/locSDK_4.0.jar

-libraryjars libs/ormlite-Android-4.48.jar

-libraryjars libs/ormlite-core-4.48.jar

-libraryjars libs/universal-image-loader-1.9.0.jar

b. 將你不需要混淆的部分申明進(jìn)來，因為有些類經(jīng)過混淆會導(dǎo)致程序編譯不通過，如下：

-keep public class * extendsandroid.app.Fragment

-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.support.v4.**

-keep public class com.android.vending.licensing.ILicensingService

--以上都是API里邊的類，最好都要避免混淆

有些很特殊的，例如百度地圖，你需要添加以下申明：

-keep class com.baidu.** { *; }

-keep class vi.com.gdi.bgl.android.**{*;}

根據(jù)我的經(jīng)驗，一般model最好避免混淆（model無關(guān)緊要，不混淆也沒多大關(guān)系）如：

-keep class com.bank.pingan.model.** { *; }

下面在貼上關(guān)于Umeng分享統(tǒng)計的避免混淆的申明

-dontwarn android.support.v4.**

-dontwarn org.apache.commons.NET.**

-dontwarn com.tencent.**

-keepclasseswithmembernames class * {

native ;

}

-keepclasseswithmembernames class * {

public (android.content.Context, android.util.AttributeSet);

}

-keepclasseswithmembernames class * {

public (android.content.Context, android.util.AttributeSet, int);

}

-keepclassmembers enum * {

public static **[] values();

public static ** valueOf(Java.lang.String);

}

-keep class * implements android.os.Parcelable {

public static final android.os.Parcelable$Creator *;

}

-keepclasseswithmembers class * {

public (android.content.Context);

}

-dontshrink

-dontoptimize

-dontwarn com.google.android.maps.**

-dontwarn android.webkit.WebView

-dontwarn com.umeng.**

-dontwarn com.tencent.weibo.sdk.**

-dontwarn com.facebook.**

-keep enum com.facebook.**

-keepattributes Exceptions,InnerClasses,Signature

-keepattributes *Annotation*

-keepattributes SourceFile,LineNumberTable

-keep public interface com.facebook.**

-keep public interface com.tencent.**

-keep public interface com.umeng.socialize.**

-keep public interface com.umeng.socialize.sensor.**

-keep public interface com.umeng.scrshot.**

-keep public class com.umeng.socialize.* {*;}

-keep public class javax.**

-keep public class android.webkit.**

-keep class com.facebook.**

-keep class com.umeng.scrshot.**

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

-keep class com.umeng.socialize.sensor.**

-keep class com.tencent.mm.sdk.openapi.WXMediaMessage {*;}

-keep class com.tencent.mm.sdk.openapi.** implements com.tencent.mm.sdk.openapi.WXMediaMessage$IMediaObject {*;}

-keep class im.yixin.sdk.api.YXMessage {*;}

-keep class im.yixin.sdk.api.** implements im.yixin.sdk.api.YXMessage$YXMessageData{*;}

-keep public class [your_pkg].R$*{

public static final int *;

}

3.以上工作完成，混淆工作就完成了一大半了，最后需要做的就是在project.properties文件中加上你的混淆文件申明了，如下：

proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt:proguard-project.txt

4. OK， 最后一步，打簽名包測試，如果有問題，仔細(xì)看下Log也許有得類不能混淆，那么你得加入到proguard-project.txt文件中

-------以上就是混淆代碼的全過程了


最后貼上完整的proguard-project.txt 代碼：


# To enable ProGuard in your project, edit project.properties# to define the proguard.config property as described in that file.## Add project specific ProGuard rules here.# By default, the flags in this file are appended to flags specified# in ${sdk.dir}/tools/proguard/proguard-android.txt# You can edit the include path and order by changing the ProGuard# include property in project.properties.## 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 *;#}-optimizationpasses 5-dontusemixedcaseclassnames-dontskipnonpubliclibraryclasses-dontpreverify-verbose-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*-keepattributes *Annotation*-keepattributes Signature-libraryjars libs/apns_1.0.6.jar-libraryjars libs/armeabi/libBaiduMapSDK_v2_3_1.so-libraryjars libs/armeabi/liblocSDK4.so-libraryjars libs/baidumapapi_v2_3_1.jar-libraryjars libs/core.jar-libraryjars libs/gesture-imageview.jar-libraryjars libs/gson-2.0.jar-libraryjars libs/infogracesound.jar-libraryjars libs/locSDK_4.0.jar-libraryjars libs/ormlite-android-4.48.jar-libraryjars libs/ormlite-core-4.48.jar-libraryjars libs/universal-image-loader-1.9.0.jar-keep class com.baidu.** { *; } -keep class vi.com.gdi.bgl.android.**{*;}-keep public class * extends android.app.Fragment? -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.support.v4.**-keep public class com.android.vending.licensing.ILicensingService-keep class com.google.gson.stream.** { *; }-keep class com.google.gson.examples.android.model.** { *; }-keep class com.uuhelper.Application.** { *; }-keep class net.sourceforge.zbar.** { *; }-keep class com.google.android.gms.** { *; } -keep class com.bank.pingan.model.** { *; }-keep public class * extends com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper-keep public class * extends com.j256.ormlite.android.apptools.OpenHelperManager -keep class com.android.vending.licensing.ILicensingService-keep class android.support.v4.** { *; }? -keep class org.apache.commons.net.** { *; }? -keep class com.tencent.** { *; }? -keep class com.umeng.** { *; }? -keep class com.umeng.analytics.** { *; }? -keep class com.umeng.common.** { *; }? -keep class com.umeng.newxp.** { *; }? -keep class com.j256.ormlite.** { *; }? -keep class com.j256.ormlite.android.** { *; }? -keep class com.j256.ormlite.field.** { *; }? -keep class com.j256.ormlite.stmt.** { *; } -dontwarn android.support.v4.**? -dontwarn org.apache.commons.net.** -dontwarn com.tencent.**? -keepclasseswithmembernames class * {? ? native;}-keepclasseswithmembernames class * {? ? public(android.content.Context, android.util.AttributeSet);}-keepclasseswithmembernames class * {? ? public(android.content.Context, android.util.AttributeSet, int);}-keepclassmembers enum * {? ? public static **[] values();? ? public static ** valueOf(java.lang.String);}-keep class * implements android.os.Parcelable {? public static final android.os.Parcelable$Creator *;}-keepclasseswithmembers class * {? ? public(android.content.Context);

}

-dontshrink

-dontoptimize

-dontwarn com.google.android.maps.**

-dontwarn android.webkit.WebView

-dontwarn com.umeng.**

-dontwarn com.tencent.weibo.sdk.**

-dontwarn com.facebook.**

-keep enum com.facebook.**

-keepattributes Exceptions,InnerClasses,Signature

-keepattributes *Annotation*

-keepattributes SourceFile,LineNumberTable

-keep public interface com.facebook.**

-keep public interface com.tencent.**

-keep public interface com.umeng.socialize.**

-keep public interface com.umeng.socialize.sensor.**

-keep public interface com.umeng.scrshot.**

-keep public class com.umeng.socialize.* {*;}

-keep public class javax.**

-keep public class android.webkit.**

-keep class com.facebook.**

-keep class com.umeng.scrshot.**

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

-keep class com.umeng.socialize.sensor.**

-keep class com.tencent.mm.sdk.openapi.WXMediaMessage {*;}

-keep class com.tencent.mm.sdk.openapi.** implements com.tencent.mm.sdk.openapi.WXMediaMessage$IMediaObject {*;}

-keep class im.yixin.sdk.api.YXMessage {*;}

-keep class im.yixin.sdk.api.** implements im.yixin.sdk.api.YXMessage$YXMessageData{*;}

-keep public class [your_pkg].R$*{

public static final int *;

}

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