指定代码的压缩级别 

-optimizationpasses 5

是否使用大小写混合

-dontusemixedcaseclassnames

是否混淆第三方jar

 -dontskipnonpubliclibraryclasses

混淆时是否做预校验

-dontpreverify

混淆时是否记录日志

-verbose

基本配置-不能被混淆的

-keep public class * extends android.app.Activity

-keep public class * extends android.app.Fragment

-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

support.v4/v7包不混淆

-keep class android.support.* { ; }

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

-keep public class * extends android.support.v4.**

-keep interface android.support.v4.app.* { ; }

-keep class android.support.v7.* { ; }

-keep public class * extends android.support.v7.**

-keep interface android.support.v7.app.* { ; }

-dontwarn android.support.** # 忽略警告

保持注解继承类不混淆

-keep class * extends java.lang.annotation.Annotation {*;}

保持Serializable实现类不被混淆

-keepnames class * implements java.io.Serializable

保持枚举enum类不被混淆

-keepclassmembers enum * {

public static **[] values();

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

}

自定义组件不被混淆

-keep public class * extends android.view.View {

public (android.content.Context);

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

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

public void set*(…);

}

不混淆资源类

-keepclassmembers class *.R$ {

public static ;

}

保持 native 方法不被混淆

-keepclassmembers class * extends android.app.Activity { # 保持自定义控件类不被混淆

public void *(android.view.View);

}