How to get user data after Login with LinkedIn

Question

I have implemented login with LinkedIn and I am getting access token after successful login by session.getAccessToken().toString(). Now I need complete user profile and his connection list in account. But I am unable to retrieve that information from LinkedIn.

I am calling its REST client API call that was stated in official document like this

https://api.linkedin.com/v1/people/~

In this I am passing my access token as oauth2_access_token that I got after login. But in response i am getting

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<error>
    <status>401</status>
    <timestamp>1440998578838</timestamp>
    <request-id>P6GDCHJ13P</request-id>
    <error-code>0</error-code>
    <message>Unable to verify access token</message>
</error>

I have already tried various solutions like stated here:

LinkedIn OAuth2: "Unable to verify access token"

https://github.com/lepture/flask-oauthlib/issues/35

How to Retrieve all possible information about a LinkedIn Account ? (API using C#)

Answer 1

As per official documentation it's stated that to make LinkedIn REST API calls you need to call by APIHelper.getRequest() method or APIHelper.postRequest() for GET and POST call respectively; and fetch all requested data of the user you need to make REST URL that are already given in their documentation. Here's the quick example to fetch user basic_profile data:

String url = "https://api.linkedin.com/v1/people/~:(id,first-name,last-name)";

APIHelper apiHelper = APIHelper.getInstance(getApplicationContext());
apiHelper.getRequest(this, url, new ApiListener() {
    @Override
    public void onApiSuccess(ApiResponse apiResponse) {
        // Success!
        Log.d("linkedin response for data", apiResponse.getResponseDataAsJson().toString());
    }

    @Override
    public void onApiError(LIApiError liApiError) {
        // Error making GET request!
    }
});

You can refer official documentation over here for complete detail