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我在手機上看到一個奇怪的問題，我試圖想出一種方法來解決它以瞭解更多信息。可能以編程方式訪問X-Mms-Content-Location？
是否可以使用Android SDK以編程方式從MMS消息訪問消息的X-Mms-Content-Location屬性？
這是我正在研究的錯誤的一個示例。如果我可以訪問該屬性，那麼我可能能夠編寫一個修復它的應用程序，以便消息檢索成功。
04-26 19:11:35.573 V/RetrieveTransaction( 299): X-Mms-Content-Location: http://69.78.70..70/servlets/mms?message-id=<GUID_REMOVED_FOR_PRIVACY>
<snip>
04-26 19:11:35.783 I/InetAddress( 299): Unknown host 69.78.70..70, throwing UnknownHostException
04-26 19:11:35.793 V/RetrieveTransaction( 299): Unexpected IOException.
04-26 19:11:35.793 V/RetrieveTransaction( 299): java.io.IOException: Cannot establish route for http://69.78.70..70/servlets/mms?message-id=<GUID_REMOVED_FOR_PRIVACY>: Unknown host
04-26 19:11:35.793 V/RetrieveTransaction( 299): at com.android.mms.transaction.Transaction.ensureRouteToHost(Transaction.java:206)
04-26 19:11:35.793 V/RetrieveTransaction( 299): at com.android.mms.transaction.Transaction.getPdu(Transaction.java:171)
04-26 19:11:35.793 V/RetrieveTransaction( 299): at com.android.mms.transaction.RetrieveTransaction.run(RetrieveTransaction.java:147)
04-26 19:11:35.793 V/RetrieveTransaction( 299): at java.lang.Thread.run(Thread.java:1058)
04-26 19:11:35.793 E/RetrieveTransaction( 299): Retrieval failed.