1.简单版

-optimizationpasses 5                                                           # 指定代码的压缩级别-dontusemixedcaseclassnames                                                     # 是否使用大小写混合-dontskipnonpubliclibraryclasses                                                # 是否混淆第三方jar-dontpreverify                                                                  	# 混淆时是否做预校验-verbose                                                                        # 混淆时是否记录日志-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*        # 混淆时所采用的算法-keep public class * extends android.app.Activity                               # 保持哪些类不被混淆...-keepclasseswithmembernames class * {                                           		# 保持 native 方法不被混淆    native 
    
     ;}-keepclasseswithmembers class * {                                              			 # 保持自定义控件类不被混淆    public 
     
      (android.content.Context, android.util.AttributeSet);}-keepclasseswithmembers class * {    public 
      
       (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 {                        # 保持自定义控件类不被混淆   public void *(android.view.View);}-keepclassmembers enum * {                                                      # 保持枚举 enum 类不被混淆    public static **[] values();    public static ** valueOf(java.lang.String);}-keep class * implements android.os.Parcelable {                                # 保持 Parcelable 不被混淆  public static final android.os.Parcelable$Creator *;}-keep class MyClass;                                                            # 保持自己定义的类不被混淆
      
     
    

2.