UploadService.NAMESPACE = "com.yourcompany.yourapp";

public void upload(final Context context) {
    final UploadRequest request = new UploadRequest(context,
                                                    "custom-upload-id",
                                                    "http://www.yoursite.com/yourscript");

    /*
     * parameter-name: is the name of the parameter that will contain file's data.
     * Pass "uploaded_file" if you're using the test PHP script
     *
     * custom-file-name.extension: is the file name seen by the server.
     * E.g. value of $_FILES["uploaded_file"]["name"] of the test PHP script
     */
    request.addFileToUpload("/absolute/path/to/your/file",
                            "parameter-name",
                            "custom-file-name.extension",
                            "content-type"));

    //You can add your own custom headers
    request.addHeader("your-custom-header", "your-custom-value");

    //and parameters
    request.addParameter("parameter-name", "parameter-value");

    //If you want to add a parameter with multiple values, you can do the following:
    request.addParameter("array-parameter-name", "value1");
    request.addParameter("array-parameter-name", "value2");
    request.addParameter("array-parameter-name", "valueN");

    //or
    String[] values = new String[] {"value1", "value2", "valueN"};
    request.addArrayParameter("array-parameter-name", values);

    //or
    List<String> valuesList = new ArrayList<String>();
    valuesList.add("value1");
    valuesList.add("value2");
    valuesList.add("valueN");
    request.addArrayParameter("array-parameter-name", valuesList);

    //configure the notification
    request.setNotificationConfig(android.R.drawable.ic_menu_upload,
                                  "notification title",
                                  "upload in progress text",
                                  "upload completed successfully text"
                                  "upload error text",
                                  false);
    
    // set a custom user agent string for the upload request
    // if you comment the following line, the system default user-agent will be used
    request.setCustomUserAgent("UploadServiceDemo/1.0");
 
    // set the intent to perform when the user taps on the upload notification.
    // currently tested only with intents that launches an activity
    // if you comment this line, no action will be performed when the user taps on the notification
    request.setNotificationClickIntent(new Intent(context, YourActivity.class));
    
    // set the maximum number of automatic upload retries on error
    request.setMaxRetries(2);

    try {
        //Start upload service and display the notification
        UploadService.startUpload(request);

    } catch (Exception exc) {
        //You will end up here only if you pass an incomplete UploadRequest
        Log.e("AndroidUploadService", exc.getLocalizedMessage(), exc);
    }
}

public class YourActivity extends Activity {

    private static final String TAG = "AndroidUploadService";

    ...

    private final AbstractUploadServiceReceiver uploadReceiver =
    new AbstractUploadServiceReceiver() {

        // you can override this progress method if you want to get 
        // the completion progress in percent (0 to 100)
        // or if you need to know exactly how many bytes have been transferred
        // override the method below this one
        @Override
        public void onProgress(String uploadId, int progress) {
            Log.i(TAG, "The progress of the upload with ID "
                       + uploadId + " is: " + progress);
        }
        
        @Override
        public void onProgress(final String uploadId, final long uploadedBytes, final long totalBytes) {
            Log.i(TAG, "Upload with ID "
                       + uploadId + " uploaded bytes: " + uploadedBytes + ", total: " + totalBytes);
        }

        @Override
        public void onError(String uploadId, Exception exception) {
            Log.e(TAG, "Error in upload with ID: " + uploadId + ". "
                       + exception.getLocalizedMessage(), exception);
        }

        @Override
        public void onCompleted(String uploadId,
                                int serverResponseCode,
                                String serverResponseMessage) {
            Log.i(TAG, "Upload with ID " + uploadId
                       + " has been completed with HTTP " + serverResponseCode
                       + ". Response from server: " + serverResponseMessage);
            
            //If your server responds with a JSON, you can parse it
            //from serverResponseMessage string using a library 
            //such as org.json (embedded in Android) or google's gson
        }
    };

    @Override
    protected void onResume() {
        super.onResume();
        uploadReceiver.register(this);
    }

    @Override
    protected void onPause() {
        super.onPause();
        uploadReceiver.unregister(this);
    }

}

UploadService.stopCurrentUpload();

AllCertificatesAndHostsTruster.apply();