我说过在我的项目中使用 Google Drive API。如果我使用调试密钥库在手机上运行项目，一切都会正常工作。
当我尝试创建签名的 APK 时，proguard 向我抛出以下错误
[2013-10-07 12:59:01 - My Project] Proguard returned with error code 1. See console
[2013-10-07 12:59:01 - My Project] Proguard returned with error code 1. See console
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.DataProxy: can't find superclass or interface java.awt.datatransfer.Transferable
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.NativeClipboard: can't find superclass or interface java.awt.datatransfer.Clipboard
[2013-10-07 12:59:01 - My Project] Warning: javax.activation.CommandInfo: can't find referenced class java.beans.Beans
[2013-10-07 12:59:01 - My Project] Warning: javax.activation.CommandInfo: can't find referenced class java.beans.Beans
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.ContextStorage: can't find referenced class java.awt.Toolkit
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.ContextStorage: can't find referenced class java.awt.GraphicsEnvironment
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.ContextStorage: can't find referenced class java.awt.GraphicsEnvironment
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.DTK: can't find referenced class java.awt.datatransfer.DataFlavor
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.DTK: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.DTK: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.DataFlavor
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.DataFlavor
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.DataFlavor
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.SystemFlavorMap
[2013-10-07 12:59:01 - My Project] Warning: org.apache.harmony.awt.datatransfer.TextFlavor: can't find referenced class java.awt.datatransfer.DataFlavor
[2013-10-07 12:59:01 - My Project] You should check if you need to specify additional program jars.
[2013-10-07 12:59:01 - My Project] Warning: there were 224 unresolved references to classes or interfaces.
[2013-10-07 12:59:01 - My Project] You may need to specify additional library jars (using '-libraryjars').
[2013-10-07 12:59:01 - My Project] java.io.IOException: Please correct the above warnings first.
[2013-10-07 12:59:01 - My Project] at proguard.Initializer.execute(Initializer.java:321)
[2013-10-07 12:59:01 - My Project] at proguard.ProGuard.initialize(ProGuard.java:211)
[2013-10-07 12:59:01 - My Project] at proguard.ProGuard.execute(ProGuard.java:86)
[2013-10-07 12:59:01 - My Project] at proguard.ProGuard.main(ProGuard.java:492)
我还尝试将以下内容添加到 proguard-project.txt
-dontwarn org.apache.harmony.**
-dontwarn javax.activation.**
如果我添加上述内容，则会创建 APK，但 APP 在启动时崩溃
谁能帮帮我吗！