To be able to upload files from an Android application and use the Multipart content type you need to add some additional jar files to your application.
The files needed are apache-mime4j, httpclient, httpcore and httpmime. All are opensource projects built by the Apache foundation.
Download the 4 files and add them to your project then you should be able to use the following code to post strings and files to pages.
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HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("http://www.tumblr.com/api/write"); try { MultipartEntity entity = new MultipartEntity(); entity.addPart("type", new StringBody("photo")); entity.addPart("data", new FileBody(image)); httppost.setEntity(entity); HttpResponse response = httpclient.execute(httppost); } catch (ClientProtocolException e) { } catch (IOException e) { } |
The image variable in this case is a File that contains an image captured by the camera on the phone.