android:proguard混淆问题

Question

我使用javamail api for android创建了一个邮件客户端,该应用程序在模拟器或设备中运行良好...现在我想使用eclipse导出项目,但是我遇到了以下错误:

     Warning: org.apache.harmony.awt.datatransfer.DataProxy: can't find superclass or interface java.awt.datatransfer.Transferable
 Warning: org.apache.harmony.awt.datatransfer.NativeClipboard: can't find superclass or interface java.awt.datatransfer.Clipboard
 Warning: javax.activation.CommandInfo: can't find referenced class java.beans.Beans
 Warning: com.sun.mail.imap.protocol.IMAPSaslAuthenticator: can't find referenced class javax.security.sasl.Sasl
 Warning: com.sun.mail.imap.protocol.IMAPSaslAuthenticator: can't find referenced class javax.security.sasl.SaslClient
 Warning: com.sun.mail.imap.protocol.IMAPSaslAuthenticator: can't find referenced class javax.security.sasl.SaslException
 Warning: org.apache.harmony.awt.datatransfer.DragSourceEventProxy: can't find referenced class java.awt.Point
 Warning: org.apache.harmony.awt.datatransfer.DragSourceEventProxy: can't find referenced class java.awt.dnd.DragSourceContext
 Warning: org.apache.harmony.awt.datatransfer.DragSourceEventProxy: can't find referenced class java.awt.dnd.DragSourceEvent

正如我所看到的,javamail api使用java.awt和javax.security libs ...如何在项目中添加它们以便我可以导出我的项目并对其进行模糊处理？

非常感谢你!

更新:

我试图在我的项目中导入jre库,但这些错误已经消失但是新的错误:

Proguard returned with error code 1. See console
 Note: there were 4243 duplicate class definitions.
 Warning: library class com.sun.xml.internal.messaging.saaj.soap.FastInfosetDataContentHandler extends or implements program class javax.activation.DataContentHandler
 Warning: library class com.sun.xml.internal.ws.encoding.XmlDataContentHandler extends or implements program class javax.activation.DataContentHandler
 Warning: library class com.sun.xml.internal.messaging.saaj.soap.MessageImpl$1 extends or implements program class javax.activation.DataSource
 Warning: library class com.sun.xml.internal.ws.encoding.StringDataContentHandler extends or implements program class javax.activation.DataContentHandler 

我能做什么？

Answer 1

列出的java类不是Android运行时的一部分.最干净的解决方案是从javamail库中删除引用它们的类,因为它们永远不能在这种环境中工作.

通常,您也可以在ProGuard配置中过滤掉它们,但Android构建脚本不支持过滤器.

作为一个简单的替代方案,您可以禁止警告:

-dontwarn java.awt.**,javax.security.**,java.beans.**

然后ProGuard将继续进行而不会抱怨.