尝试使用gdata API将视频上传到YouTube时找不到类错误

Question

我目前正在编写Android应用程序的一部分,使用Google Data API将视频上传到YouTube.我有来自Google Code的API的最新版本,我基本上已经从他们的开发人员指南中复制了该示例.

一切都没有警告或错误编译,应用程序运行正常.但是当我调用service.insert(...)时,我得到以下堆栈跟踪:

ERROR/dalvikvm(19489): Could not find class 'com.google.gdata.data.media.MediaBodyPart$MediaSourceDataHandler', referenced from method com.google.gdata.data.media.MediaBodyPart.initMediaDataHandler
ERROR/dalvikvm(19489): Could not find class 'javax.activation.DataHandler', referenced from method com.google.gdata.data.media.MediaBodyPart.initMediaDataHandler
ERROR/dalvikvm(19489): Could not find class 'javax.mail.internet.MimeBodyPart$MimePartDataHandler', referenced from method javax.mail.internet.MimeBodyPart.writeTo
ERROR/dalvikvm(19489): Could not find class 'javax.activation.DataHandler', referenced from method javax.mail.internet.MimeBodyPart.attachFile
ERROR/dalvikvm(19489): Could not find class 'javax.mail.internet.MimeBodyPart$MimePartDataHandler', referenced from method javax.mail.internet.MimeBodyPart.getDataHandler
ERROR/dalvikvm(19489): Could not find class 'javax.activation.DataHandler', referenced from method javax.mail.internet.MimeBodyPart.setContent
ERROR/dalvikvm(19489): Could not find class 'javax.activation.DataHandler', referenced from method javax.mail.internet.MimeBodyPart.setContent
ERROR/dalvikvm(19489): Could not find class 'javax.activation.DataHandler', referenced from method javax.mail.internet.MimeBodyPart.updateHeaders

使用NoClassDefFoundError.

我拥有链接到我在Eclipse中的项目的gdata API的所有依赖项(包括在API的deps目录中的两个,以及javamail,activation和servlet-api),我尝试将所有jar文件添加到类路径在Eclipse中.我查看了相关的罐子,它声称它找不到的所有类别肯定都在那里.

如果有人可以以任何方式提供帮助 - 在这个阶段的任何想法将不胜感激.

谢谢

Answer 1

原来,普通的JavaMail/Activation软件包目前在Android上不起作用.解决方案是使用JavaMail for Android,它完美运行.