我试图运行以下代码(主要从Stephen Wylie开始)：
package com.Googledrive.Googledriveapp;// For Google Drive / Play Services// Version 1.1 - Added new comments & removed dead code// Stephen WylIE - 10/20/2012import java.io.IOException;import java.util.ArrayList;import androID.accounts.Account;import androID.accounts.AccountManager;import androID.app.Activity;import androID.app.ProgressDialog;import androID.content.Context;import androID.content.DialogInterface;import androID.content.DialogInterface.OnClickListener;import androID.content.Intent;import androID.os.AsyncTask;import androID.os.Bundle;import androID.util.Log;import androID.vIEw.VIEw;import androID.Widget.button;import com.Google.androID.gms.auth.GoogleAuthException;import com.Google.androID.gms.auth.GoogleAuthUtil;import com.Google.androID.gms.auth.UserRecoverableAuthException;import com.Google.androID.gms.common.AccountPicker;import com.Google.API.clIEnt.auth.oauth2.BearerToken;import com.Google.API.clIEnt.auth.oauth2.Credential;import com.Google.API.clIEnt.extensions.androID2.AndroIDhttp;import com.Google.API.clIEnt.GoogleAPIs.extensions.androID2.auth.GoogleAccountManager;import com.Google.API.clIEnt.http.httpRequestFactory;import com.Google.API.clIEnt.http.httpTransport;import com.Google.API.clIEnt.http.Json.JsonhttpRequest;import com.Google.API.clIEnt.http.Json.JsonhttpRequestinitializer;import com.Google.API.clIEnt.Json.jackson.JacksonFactory;import com.Google.API.services.drive.Drive;import com.Google.API.services.drive.Drive.Apps.List;import com.Google.API.services.drive.Drive.files;import com.Google.API.services.drive.DriveRequest;import com.Google.API.services.drive.DriveScopes;import com.Google.API.services.drive.model.file;import com.Google.API.services.drive.model.fileList;public class MainActivity extends Activity { private static final int CHOOSE_ACCOUNT=0; private static String accountname; private static int REQUEST_TOKEN=0; private button btn_drive; private Context ctx = this; private Activity a = this; public voID onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // set up the GUI layout setContentVIEw(R.layout.activity_main); // set the variables to access the GUI controls btn_drive = (button) findVIEwByID(R.ID.btn_drive); btn_drive.setonClickListener(new VIEw.OnClickListener() { public voID onClick(VIEw v) { chooseAccount(); } }); } public voID chooseAccount() { Intent intent = AccountPicker.newChooseAccountIntent(null, null, new String[]{"com.Google"}, false, null, null, null, null); startActivityForResult(intent, CHOOSE_ACCOUNT); } // Fetch the access token asynchronously. voID getAndUseAuthTokenInAsyncTask(Account account) { AsyncTask<Account, String, String> task = new AsyncTask<Account, String, String>() { ProgressDialog progressDlg; AsyncTask<Account, String, String> me = this; @OverrIDe protected voID onPreExecute() { progressDlg = new ProgressDialog(ctx, ProgressDialog.STYLE_SPINNER); progressDlg.setMax(100); progressDlg.setTitle("ValIDating..."); progressDlg.setMessage("Verifying the login data you entered...\n\nThis action will time out after 10 seconds."); progressDlg.setCancelable(false); progressDlg.setIndeterminate(false); progressDlg.setonCancelListener(new androID.content.DialogInterface.OnCancelListener() { public voID onCancel(DialogInterface d) { progressDlg.dismiss(); me.cancel(true); } }); progressDlg.show(); } @OverrIDe protected String doInBackground(Account... params) { return getAccesstoken(params[0]); } @OverrIDe protected voID onPostExecute(String s) { if (s == null) { // Wait for the extra intent } else { accountname = s; getDrivefiles(); } progressDlg.dismiss(); } }; task.execute(account); } /** * Fetches the token from a particular Google account chosen by the user. DO NOT RUN THIS DIRECTLY. It must be run asynchronously insIDe an AsyncTask. * @param activity * @param account * @return */ private String getAccesstoken(Account account) { try { return GoogleAuthUtil.getToken(ctx, account.name, "oauth2:" + DriveScopes.DRIVE); // important: DriveScopes must be changed depending on what level of access you want } catch (UserRecoverableAuthException e) { // Start the Approval Screen intent, if not run from an Activity, add the Intent.FLAG_ACTIVITY_NEW_TASK flag. a.startActivityForResult(e.getIntent(), REQUEST_TOKEN); e.printstacktrace(); return null; } catch (GoogleAuthException e) { e.printstacktrace(); return null; } catch (IOException e) { e.printstacktrace(); return null; } } private Drive getDriveService() { httpTransport ht = AndroIDhttp.newCompatibleTransport(); // Makes a transport compatible with both AndroID 2.2- and 2.3+ JacksonFactory jf = new JacksonFactory(); // You need a JsON parser to help you out with the API response Credential credential = new Credential(BearerToken.authorizationheaderAccessMethod()).setAccesstoken(accountname); httpRequestFactory rf = ht.createRequestFactory(credential); Drive.Builder b = new Drive.Builder(ht, jf, null); b.setJsonhttpRequestinitializer(new JsonhttpRequestinitializer() { @OverrIDe public voID initialize(JsonhttpRequest request) throws IOException { DriveRequest driveRequest = (DriveRequest) request; driveRequest.setPrettyPrint(true); driveRequest.setoauthToken(accountname); } }); return b.build(); } /** * Obtains a List of all files on the signed-in user's Google Drive account. */ private voID getDrivefiles() { Drive service = getDriveService(); Log.d("SiteTrack", "FUNCTION getDrivefiles()"); files.List request; try { request = service.files().List(); // .setQ("mimeType=\"text/plain\""); } catch (IOException e) { e.printstacktrace(); return; } do { fileList files; try { System.out.println("got here"); Log.d("SiteTrack", request.toString()); **files = request.execute();** } catch (IOException e) { e.printstacktrace(); Log.d("SiteTrack", "Exception"); return; } ArrayList<file> fileList = (ArrayList<file>) files.getItems(); Log.d("SiteTrack", "files found: " + files.getItems().size()); for (file f : fileList) { String fileID = f.getID(); String Title = f.getTitle(); Log.d("SiteTrack", "file " + fileID + ": " + Title); } request.setPagetoken(files.getNextPagetoken()); } while (request.getPagetoken() != null && request.getPagetoken().length() >= 0); } protected voID onActivityResult(final int requestCode, final int resultCode, final Intent data) { if (requestCode == CHOOSE_ACCOUNT && resultCode == RESulT_OK) { accountname = data.getStringExtra(AccountManager.KEY_ACCOUNT_name); GoogleAccountManager gam = new GoogleAccountManager(this); getAndUseAuthTokenInAsyncTask(gam.getAccountByname(accountname)); Log.d("SiteTrack", "CHOOSE_ACCOUNT"); } else if (requestCode == REQUEST_TOKEN && resultCode == RESulT_OK) { accountname = data.getStringExtra(AccountManager.KEY_ACCOUNT_name); Log.d("SiteTrack", "REQUEST_TOKEN"); } } }但是,我得到以下异常：
11-19 16:35:27.758: W/System.err(23287): com.Google.API.clIEnt.GoogleAPIs.Json.GoogleJsonResponseException: 403 ForbIDden11-19 16:35:27.758: W/System.err(23287): {11-19 16:35:27.758: W/System.err(23287): "code" : 403,11-19 16:35:27.758: W/System.err(23287): "errors" : [ {11-19 16:35:27.758: W/System.err(23287): "domain" : "usagelimits",11-19 16:35:27.762: W/System.err(23287): "message" : "Access Not Configured",11-19 16:35:27.762: W/System.err(23287): "reason" : "accessNotConfigured"11-19 16:35:27.762: W/System.err(23287): } ],11-19 16:35:27.762: W/System.err(23287): "message" : "Access Not Configured"11-19 16:35:27.762: W/System.err(23287): }11-19 16:35:27.762: W/System.err(23287): at com.Google.API.clIEnt.GoogleAPIs.services.GoogleClIEnt.executeUnparsed(GoogleClIEnt.java:237)11-19 16:35:27.762: W/System.err(23287): at com.Google.API.clIEnt.http.Json.JsonhttpRequest.executeUnparsed(JsonhttpRequest.java:207)11-19 16:35:27.762: W/System.err(23287): at com.Google.API.services.drive.Drive$files$List.execute(Drive.java:1071)11-19 16:35:27.762: W/System.err(23287): at com.Googledrive.Googledriveapp.MainActivity.getDrivefiles(MainActivity.java:173)11-19 16:35:27.762: W/System.err(23287): at com.Googledrive.Googledriveapp.MainActivity.access(MainActivity.java:156)11-19 16:35:27.762: W/System.err(23287): at com.Googledrive.Googledriveapp.MainActivity.onPostExecute(MainActivity.java:104)11-19 16:35:27.765: W/System.err(23287): at com.Googledrive.Googledriveapp.MainActivity.onPostExecute(MainActivity.java:1)11-19 16:35:27.765: W/System.err(23287): at androID.os.AsyncTask.finish(AsyncTask.java:417)11-19 16:35:27.765: W/System.err(23287): at androID.os.AsyncTask.access0(AsyncTask.java:127)11-19 16:35:27.765: W/System.err(23287): at androID.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)11-19 16:35:27.765: W/System.err(23287): at androID.os.Handler.dispatchMessage(Handler.java:99)11-19 16:35:27.765: W/System.err(23287): at androID.os.Looper.loop(Looper.java:123)11-19 16:35:27.765: W/System.err(23287): at androID.app.ActivityThread.main(ActivityThread.java:4627)11-19 16:35:27.765: W/System.err(23287): at java.lang.reflect.Method.invokeNative(Native Method)11-19 16:35:27.769: W/System.err(23287): at java.lang.reflect.Method.invoke(Method.java:521)11-19 16:35:27.769: W/System.err(23287): at com.androID.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)11-19 16:35:27.769: W/System.err(23287): at com.androID.internal.os.ZygoteInit.main(ZygoteInit.java:616)11-19 16:35:27.769: W/System.err(23287): at dalvik.system.NativeStart.main(Native Method)跟踪行文件= request.execute();在上面的代码中(我用星号标记).我在Google Api控制台中启用了Drive SDK和Drive API.以下是我的Drive SDK设置的几个快照：
对于未图示的客户端ID部分,我只是从API访问部分粘贴了“已安装应用程序的客户端ID”(我还尝试了“Drive SDK的客户端ID”).谁知道问题是什么？
解决方法:
编辑：对不起我刚刚意识到我们可以使用deBUG.keystore在调试模式下签署apk.
因此,最重要的是在Google Api控制台中插入正确的SHA1密钥. (使用Stephen WylIE在他的Google帖子中提到的JRE7工具生成)
另请参阅(developer.androID.com/tools/publishing/app-signing.HTML#deBUGmode)以获取密钥库密码
经过一些试验和错误,我终于能够在我的谷歌硬盘中列出文件
虽然我不确定这是否是最正确的答案,但至少我现在能够列出文件
首先,请参阅Stephen WylIE更新的Google帖子
https://plus.google.com/u/0/114042449736049687152/posts/CD3L8zcJg5Z
使用JRE7工具使用.keystore生成SHA1密钥
我正在使用我一直在谷歌Play商店使用的.keystore文件
(如果您没有任何密钥库,可以转到项目,单击“导出”,然后它将请求您创建.keystore文件)
使用生成的SHA1密钥,转到您的Google Api控制台(最好从新手开始,删除当前项目并开始新项目)
-enable Drive API
-enable Drive SDK
– 访问API ACCESS
– 创建客户端ID
-important在这里,选择Installed application& AndroID的
-ALSO重要,键入生成的SHA1密钥
-key在您的eclipse项目中使用的CORRECT包名(com.example.xxx)中
– 转到Drive SDK选项卡 – 上载图标
-important,从API Access选项卡键入您的CLIENT ID(已安装应用程序的客户端ID)
– 插入Stephen WylIE帖子中提到的3个范围,[/ userinfo.email,/ userinfo.profile,/ auth / drive]
– 插入一个URL
– 获得多个文件支持
同样,请确保代码中的软件包名称与您在Google Api控制台中插入的软件包名称相同
最后,在eclipse中,使用刚刚创建的.keystore文件导出项目
将导出的APK文件放入手机中,安装并试用.
检查您的LogCat以显示Google云端硬盘中列出的文件
我成功地用这种方式.
编辑：如果您使用deBUG.keystore生成SHA1密钥,则可以跳过“导出”部分.只需调试您的应用程序即可. Eclipse将使用deBUG.keystore自动签署apk.
编辑：下次代码准备就绪时,您需要使用真正的.keystore生成一个新的SHA1密钥,然后输入到Google Api控制台.
编辑2：确保您的清单包含这些
<uses-permission androID:name="androID.permission.INTERNET" /><uses-permission androID:name="androID.permission.GET_ACCOUNTS" /><uses-permission androID:name="androID.permission.USE_CREDENTIALS" /><uses-permission androID:name="androID.permission.MANAGE_ACCOUNTS" />以上是内存溢出为你收集整理的java – Google Drive SDK例外全部内容，希望文章能够帮你解决java – Google Drive SDK例外所遇到的程序开发问题。
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