@@ -0,0 +1,644 @@
+package org.fedorahosted.freeotp.external;%0A%0Aimport android.os.AsyncTask;%0A%0Aimport com.dropbox.core.v2.DbxClientV2;%0A%0A/**%0A * Created by jezz on 22/06/16.%0A */%0Apublic class DropboxFileTasks extends AsyncTask %7B%0A%0A    private DbxClientV2 dbxClientV2;%0A    private DropboxFileTasksDelegate delegate;%0A    private Exception error;%0A%0A    public DropboxFileTasks(DbxClientV2 dbxClientV2, DropboxFileTasksDelegate delegate) %7B%0A        this.delegate = delegate;%0A        this.dbxClientV2 = dbxClientV2;%0A    %7D%0A%0A    @Override%0A    protected Object doInBackground(Object%5B%5D objects) %7B%0A        return null;%0A    %7D%0A%0A    private class DropboxFileTasksDelegate %7B%0A    %7D%0A%0A%0A%7D%0A

add empty async ask for dropbox download