原本放在一起Android项目与发布的文件相混淆。我突然想到，为什么不写博客，分享。有这篇文章的情况下，。
Android代码混淆及项目公布步骤记录
一、清理代码中的调试信息，如Log、System.out
二、在清单文件里改动版本号为当前版本号，假设须要更新数据库，则须要在配置类或配置文件里改动程序数据库版本号。
三、在清单文件里将项目的debugable设置为false
四、创建签名证书keystore文件
五、在项目中的project.properites文件里加入语句proguard.config=proguard-project.txt来指定混淆规则文件
六、配置proguard-project.txt文件
七、假设项目引用了Library Project。则Eclipse应该会在project.properties文件里自己主动生产android.library.reference.1..n=../LibraryProjectName
八、假设项目中包括svntmp(通常位于项目的bin目录下)。在打包时应及时删除,否则会导致打包失败。
九、项目打包，安装測试(最好是使用现有生成包进行升级測试)
附：演示样例proguard-project.txt文件及对应说明：
# This is a configuration file for ProGuard.
# http://proguard.sourceforge.net/index.html#manual/usage.html
# Optimizations: If you don't want to optimize, use the
# proguard-android.txt configuration file instead of this one, which
# turns off the optimization flags. Adding optimization introduces
# certain risks, since for example not all optimizations performed by
# ProGuard works on all versions of Dalvik. The following flags turn
# off various optimizations known to have issues, but the list may not
# be complete or up to date. (The "arithmetic" optimization can be
# used if you are only targeting Android 2.0 or later.) Make sure you
# test thoroughly if you go this route.
-optimizations !code/simplification/arithmetic,!code/simplification/cast,!field/*,!class/merging/*
-optimizationpasses 5
-allowaccessmodification
-dontpreverify
#-dontoptimize
# The remainder of this file is identical to the non-optimized version
# of the Proguard configuration file (except that the other file has
# flags to turn off optimization).
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-keepattributes Signature
-verbose
-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
-keepattributes *Annotation*
-keep public class com.google.vending.licensing.ILicensingService
-keep public class com.android.vending.licensing.ILicensingService
# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
-keepclasseswithmembernames class * {
native <methods>;
}
# keep setters in Views so that animations can still work.
# see http://proguard.sourceforge.net/manual/examples.html#beans
#-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
-keepclassmembers class * extends android.app.Activity {
public void *(android.view.View);
}
# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}
-keepclassmembers class **.R$* {
*;
}
# 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.
-keep class * extends android.view.View{*;}
-keep class * extends android.app.Dialog{*;}
-keep class * implements java.io.Serializable{*;}
#-ignorewarnings
-libraryjars libs/locSDK_4.1.jar
-libraryjars libs/pinyin4j-2.5.0.jar
-libraryjars libs/libammsdk.jar
-libraryjars libs/WebtrendsAndroidClientLib.jar
#-libraryjars libs/afinallib.jar
#-libraryjars libs/stickylistheaders_lib.jar
-keep class android.support.v4.** {*;}
-keep class com.emilsjolander.** {*;}
-keep class org.kobjects.** {*;}
-keep class org.kxml2.** {*;}
-keep class org.xmlpull.** {*;}
-keep class net.tsz.** {*;}
-keep class com.hp.** {*;}
-keep class com.baidu.** {*;}
-keep class net.sourceforget.** {*;}
-keep class com.tencent.** {*;}
-dontwarn demo.**
-keep class demo {*;}
-keep class com.wly.xxx.bean.** {*;}
-keep class com.wly.xxx.tool.DbModelUtils{*;}
-keep class com.wly.xxx.tool.JsonUtils{*;}
-keep class com.wly.xxx.activity.InsuranceQuotesActivity
-keep public class com.wly.xxx.activity.InsuranceQuotesActivity$MyJavaScriptInterface
-keep public class * implements com.wly.xxx.activity.InsuranceQuotesActivity$MyJavaScriptInterface
-keepclassmembers class com.wly.xxx.activity.InsuranceQuotesActivity$MyJavaScriptInterface {
public *;
private *;
}
文件说明：
0.以上文件拷贝自笔者如今开发的项目。出于项目保护的目的，已将project包名替换com.wly.xxx，读者能够依据自己的项目加以改动！
1.蓝色内容具有通用性质，能够复制黏贴；
2.橙色内容用于指定程序中用到的jar文件(能够看到引用的Library Project不需包括，由于他们已经在project.properties文件里指定了)。
3.红色内容用于表示保留(不混淆)引用的jar包中的内容。
4.草绿色内容用于表示保留本地的bean文件下的实体类不被混淆。
5.紫色内容用于表示保留本地涉及反射的类不被混淆。
6.绿色内容用于特别处理Web JS当地土著调用进程不应被组件之间的混淆。
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