在build.gradle里：
1.makeJar下方
task ProguardJar(type: proguard.gradle.ProGuardTask,dependsOn:"build") {
// 未混淆的jar路径
injars'build/libs/SegOcrSdk.jar'
// 混淆后的jar输出路径
outjars'build/libs/out/SegOcrSdk.jar'
// 混淆协议
configuration'proguard-rules.pro'
}
2.proguard-rules.pro写混淆配置
#表示混淆时不使用大小写混合类名
-dontusemixedcaseclassnames
#表示不跳过library中的非public的类
-dontskipnonpubliclibraryclasses
#打印混淆的详细信息
-verbose
-dontoptimize
##表示不进行校验,这个校验作用 在java平台上的
-dontpreverify
-keepattributes *Annotation*
-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 * {
native ;
}
-keepclassmembers public class * extends android.view.View {
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 {
public void *(android.view.View);
}
# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
-keepclassmembers enum * {
public static **[] values();
public static ** valueOf(java.lang.String);
}
-keepclassmembers class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator CREATOR;
}
-keepclassmembers class **.R$* {
public static ;
}
# 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.**
# Understand the @Keep support annotation.
-keep class android.support.annotation.Keep
-keep @android.support.annotation.Keep class * {*;}
-keepclasseswithmembers class * {
@android.support.annotation.Keep ;
}
-keepclasseswithmembers class * {
@android.support.annotation.Keep ;
}
-keepclasseswithmembers class * {
@android.support.annotation.Keep (...);
}
#忽略警告
-ignorewarnings
#保证是独立的jar,没有任何项目引用,如果不写就会认为我们所有的代码是无用的,从而把所有的代码压缩掉,导出一个空的jar
-dontshrink
#保护泛型
-keepattributes Signature
#自己不混淆的类
-keep class com.ocrsdk.OcrSdk**{*;}
3.android studio右侧Gradle---app---tasks---other---progruardJar 双击
运行时，先makeJar,再progruardJar;
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