在我的应用程序中，我已经集成了google drive api for file upload.its在签署apk之前运行良好。但是在签署apk后文件上传错误。
05-10 11:35:08.358: E/GooglePlayServicesUtil(16529): The Google Play services resources were not found. Check your project configuration to ensure that the resources are included.
05-10 11:35:08.448: W/GLSUser(1008): GoogleAccountDataService.getToken()
05-10 11:35:09.118: W/System.err(16529): com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAuthIOException
05-10 11:35:09.118: W/System.err(16529): at com.google.api.client.googleapis.extensions.android.gms.auth.GoogleAccountCredential$RequestHandler.intercept(GoogleAccountCredential.java:286)
05-10 11:35:09.118: W/System.err(16529): at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:858)
05-10 11:35:09.118: W/System.err(16529): at com.google.api.client.googleapis.media.MediaHttpUploader.executeCurrentRequest(MediaHttpUploader.java:559)
05-10 11:35:09.118: W/System.err(16529): at com.google.api.client.googleapis.media.MediaHttpUploader.executeCurrentRequestWithBackOffAndGZip(MediaHttpUploader.java:581)
我创建了新的客户端ID app app。在签名之前一切正常。 有什么解决方案吗？