buildTypes {

        release { //生成release apk
　　　　　　　zipAlignEnabled true //4字节对齐，减少运行内存消耗　

            minifyEnabled true  //false = 关闭混淆

            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

        }

        debug {　　//生成debug apk
　　　　　　　zipAlignEnabled true

            minifyEnabled true

            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

        }

    }

# Add project specific ProGuard rules here.

# You can control the set of applied configuration files using the

# proguardFiles setting in build.gradle.

#

# For more details, see

#   http://developer.android.com/guide/developing/tools/proguard.html

# 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 *;

#}

# Uncomment this to preserve the line number information for

# debugging stack traces.

#-keepattributes SourceFile,LineNumberTable

# If you keep the line number information, uncomment this to

# hide the original source file name.

#-renamesourcefileattribute SourceFile

#--------------------------.实体类---------------------------------

# 如果使用了Gson之类的工具要使被它解析的JavaBean类即实体类不被混淆。（这里填写自己项目中存放bean对象的具体路径）

-keep class com.wiwide.soldout.bean.**{*;}

#--------------------------.第三方包-------------------------------

#Gson

-keepattributes Signature

-keepattributes *Annotation*

-keep class sun.misc.Unsafe { *; }

-keep class com.google.gson.stream.** { *; }

-keep class com.google.gson.examples.android.model.** { *; }

-keep class com.google.gson.* { *;}

-dontwarn com.google.gson.**

-keep class **$$ViewBinder { *; }

#-------------------------.与js互相调用的类------------------------

#-------------------------.反射相关的类和方法----------------------

#-------------------------.基本不用动区域--------------------------

#指定代码的压缩级别

-optimizationpasses 

#包明不混合大小写

-dontusemixedcaseclassnames

#不去忽略非公共的库类

-dontskipnonpubliclibraryclasses

-dontskipnonpubliclibraryclassmembers

#混淆时是否记录日志

-verbose

#优化  不优化输入的类文件

-dontoptimize

#预校验

-dontpreverify

# 保留sdk系统自带的一些内容 【例如：-keepattributes *Annotation* 会保留Activity的被@override注释的onCreate、onDestroy方法等】

-keepattributes Exceptions,InnerClasses,Signature,Deprecated,SourceFile,LineNumberTable,*Annotation*,EnclosingMethod

# 记录生成的日志数据,gradle build时在本项根目录输出

# apk 包内所有 class 的内部结构

-dump proguard/class_files.txt

# 未混淆的类和成员

-printseeds proguard/seeds.txt

# 列出从 apk 中删除的代码

-printusage proguard/unused.txt

# 混淆前后的映射

-printmapping proguard/mapping.txt

# 避免混淆泛型

-keepattributes Signature

# 抛出异常时保留代码行号,保持源文件以及行号

-keepattributes SourceFile,LineNumberTable

#-----------------------------.默认保留区-----------------------

# 保持 native 方法不被混淆

-keepclasseswithmembernames class * {

    native <methods>;

}

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

 public <init>(android.content.Context);

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

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

 public void set*(***);

}

#保持 Serializable 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();

}

# 保持自定义控件类不被混淆

-keepclasseswithmembers class * {

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

}

# 保持自定义控件类不被混淆

-keepclasseswithmembers class * {

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

}

# 保持自定义控件类不被混淆

-keepclassmembers class * extends android.app.Activity {

    public void *(android.view.View);

}

# 保持枚举 enum 类不被混淆

-keepclassmembers enum * {

    public static **[] values();

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

}

# 保持 Parcelable 不被混淆

-keep class * implements android.os.Parcelable {

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

}

# 不混淆R文件中的所有静态字段，我们都知道R文件是通过字段来记录每个资源的id的，字段名要是被混淆了，id也就找不着了。

-keepclassmembers class **.R$* {

    public static <fields>;

}

#如果引用了v4或者v7包

-dontwarn android.support.**

# 保持哪些类不被混淆

-keep public class * extends android.app.Appliction

-keep public class * extends android.app.Activity

-keep public class * extends android.app.Fragment

-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.preference.Preference

-keep class com.wiwide.util.** {*;}

# ============忽略警告，否则打包可能会不成功=============

-ignorewarnings