need to set force_reauthentication true but not found method to do it through DbxWebAuth.newRequestBuilder() because its not having method to set it as true. Is there any way to do it

[RadhikaDeepak]

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[greg-db]

No, unfortunately the 'force_reauthentication' OAuth parameter isn't currently implemented in the Dropbox API v2 Java SDK, but I'll pass this along as a feature request. I can't promise if or when that might be implemented though.

[RadhikaDeepak]

I have generated authorization url by using DbxWebAuth.newRequestBuilder() and added force_authentication parameter like below

String authorizeUrl = getDropBoxAuthObject().authorize(DbxWebAuth.newRequestBuilder().build());
authorizeUrl=authorizeUrl+"&force_reauthentication=true";
Its working like the way its expected. its signout the account which is already logged in and shows the sign in screen.
small doubt, any hidden problems if I use like this?

[greg-db]

You can certainly modify the URL with your own code if you wish.

However, I recommend properly parsing the URL string, setting the URL parameter, and then rebuilding the URL string, e.g., using java.net.URL, rather than just appending to the string.

[RadhikaDeepak]

Thank you for your suggestion. My requirement is, whenever a user is already logged in to the dropbox account in some other tab then need to show an option like "do you want to continue with the logged in account( as "xxx" person) or sign into new account.
I have checked force_reapprove option, its just asking the permission to access or not but if I click, "cancel" new sign in page is not showing so is there any other option to fulfill my requirement

[greg-db]

The force_reauthentication and force_reapprove are the only options for this. Neither specifically prompts the user in the exact way you describe, but the user can switch accounts manually using the drop down menu in the top right of the page. (That is, while signed in and prompted to authorize the app, they can "Sign out", then sign in to a different account to authorize the app there.)