android studio 混淆方法

buildTypes {
release {
// 不显示Log
buildConfigField "boolean", "LOG_DEBUG", "false"
//混淆
minifyEnabled true
//Zipalign优化
zipAlignEnabled true
// 移除无用的resource文件
shrinkResources true
//前一部分代表系统默认的android程序的混淆文件，该文件已经包含了基本的混淆声明
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}

android {
defaultConfig {
applicationId "com.test.test"
versionName = project.ext.getNewVersionName
versionCode = project.ext.getNewVersionCode
}
buildTypes {
release {
// 不显示Log
buildConfigField "boolean", "LOG_DEBUG", "false"
//混淆
minifyEnabled true
//Zipalign优化
zipAlignEnabled true
// 移除无用的resource文件
shrinkResources true
//前一部分代表系统默认的android程序的混淆文件，该文件已经包含了基本的混淆声明
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
packagingOptions {
exclude 'META-INF/NOTICE.txt'
exclude 'META-INF/LICENSE.txt'
}
}

//google默认混淆文件: \sdk\tools\proguard\proguard-android.txt
-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 * {//指定不混淆所有的JNI方法
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 {//所有View的子类及其子类的get、set方法都不进行混淆
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 {//不混淆Activity中参数类型为View的所有方法
public void *(android.view.View);
}

# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations -keepclassmembers enum * {//不混淆Enum类型的指定方法
public static **[] values();
public static ** valueOf(java.lang.String);
}
//不混淆Parcelable和它的子类，还有Creator成员变量
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}
//不混淆R类里及其所有内部static类中的所有static变量字段
-keepclassmembers class **.R$* {
public static <fields>;
}

# 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.
-dontwarn android.support.**//不提示兼容库的错误警告