-optimizationpasses 5

-dontusemixedcaseclassnames

-dontskipnonpubliclibraryclasses

打包APK时将会面临一个问题就是防反编译，看看 proguard.cfg 文件，这里是 google默认 不混淆 Activity 、Service ... 类的 子类, 正如上面的截图中看到的 所有 activity 的子类 名称是被保留的。这只是简单的加密，具体如何混淆还在研究中。。。。

想自定义 混淆细节 的话 就 琢磨琢磨这个配置文件吧

-dontpreverify

-verbose

-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*

-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 com.android.vending.licensing.ILicensingService

-keepclasseswithmembernames class * {

native <methods>;

}

-keepclasseswithmembernames class * {

public <init>(android.content.Context, android.util.AttributeSet);

}

-keepclasseswithmembernames class * {

public <init>(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 *;

}