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POUnable to download file created by my app on Google Drive, But can get the metadata of that file
 

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  1. POUnable to download file created by my app on Google Drive, But can get the metadata of that file
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    <p>I followed all the steps mentioned in google drive sdk. I created a sample application on my device(android, running jelly bean) and am able to upload a file on to drive. When trying to download the same file, I am able to get the meta data like fileID, fileTitle, fileDownloadURL etc but not able to download the content. I get 401 Unauthorized error.</p> <p>My app AUTH SCOPE is AUTH_TOKEN_TYPE = "oauth2:<a href="https://www.googleapis.com/auth/drive.file" rel="nofollow">https://www.googleapis.com/auth/drive.file</a>";</p> <p>I am doing the following to get the OAUTH Token: </p> <pre><code>AccountManager am = AccountManager.get(this); Bundle options = new Bundle(); am.getAuthToken( mAccount, AUTH_TOKEN_TYPE, options, this, new OnTokenAcquired(), new Handler(){ @Override public void handleMessage(Message msg) { invadiateToken(); super.handleMessage(msg); } }); </code></pre> <p>Based on the token this is how I build the Drive object</p> <pre><code>Drive buildService(final String AuthToken) { HttpTransport httpTransport = new NetHttpTransport(); JacksonFactory jsonFactory = new JacksonFactory(); Drive.Builder b = new Drive.Builder(httpTransport, jsonFactory, null); b.setJsonHttpRequestInitializer(new JsonHttpRequestInitializer() { @Override public void initialize(JsonHttpRequest request) throws IOException { DriveRequest driveRequest = (DriveRequest) request; driveRequest.setPrettyPrint(true); driveRequest.setKey(API_KEY); driveRequest.setOauthToken(AuthToken); } }); return b.build(); } </code></pre> <p>I am able to upload the file using the following code:</p> <pre><code>private void uploadLocalFileToDrive(Drive service) throws IOException{ // File's metadata. String mimeType = "text/plain"; File body = new File(); body.setTitle("myText.txt"); body.setDescription("sample app by varun"); body.setMimeType("text/plain"); // File's content. java.io.File fileContent = new java.io.File(mInternalFilePath); FileContent mediaContent = new FileContent(mimeType, fileContent); service.files().insert(body, mediaContent).execute(); } </code></pre> <p>While trying to download the same file uploaded by this app, I get a 401 unauthorized error at this line <code>HttpResponse resp = service.getRequestFactory().buildGetRequest(url).execute()</code> from the following code snippet</p> <pre><code>private void downloadFileFromDrive(Drive service) throws IOException { Files.List request; request = service.files().list(); do { FileList files = request.execute(); for(File file:files.getItems()){ String fieldId = file.getId(); String title = file.getTitle(); Log.e("MS", "MSV:: Title--&gt;"+title+" FieldID--&gt;"+fieldId+" DownloadURL--&gt;"+file.getDownloadUrl()); if (file.getDownloadUrl() != null &amp;&amp; file.getDownloadUrl().length() &gt; 0 ) { GenericUrl url = new GenericUrl(file.getDownloadUrl()); HttpResponse resp = service.getRequestFactory().buildGetRequest(url).execute(); InputStream isd = resp.getContent(); Log.e("MS", "MSV:: FileOutPutStream---&gt;"+getFilesDir().getAbsolutePath()+"/downloaded.txt"); } else { Log.e("MS", "MSV:: downloadURL for this file is null"); } } request.setPageToken(files.getNextPageToken()); } while (request.getPageToken()!=null &amp;&amp; request.getPageToken().length()&gt;0); } </code></pre> <p>Can anyone help me out and let me know what I am doing wrong???</p>
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