Android™

UPS OAuth2 Client Credentials

See more UPS Examples

Get an OAuth2 access token for the UPS REST API using the client credentials flow (no interactivity with a web browser required). Android™

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();

    // Implements the following CURL command:

    // curl -i -X POST \
    //   -u 2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt:nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4 \
    //   https://wwwcie.ups.com/security/v1/oauth/token \
    //   -H 'Content-Type: application/x-www-form-urlencoded' \
    //   -H 'x-merchant-id: 7B3027' \
    //   -d grant_type=client_credentials

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    http.put_BasicAuth(true);
    http.put_Login("2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt");
    http.put_Password("nerf254578uh8rgt7y3h57358ouyth387h8h53h6yyh80hh578per9y7u5ruyuy4");

    CkHttpRequest req = new CkHttpRequest();
    req.AddParam("grant_type","client_credentials");

    req.AddHeader("x-merchant-id","7B3027");

    req.put_HttpVerb("POST");
    req.put_ContentType("application/x-www-form-urlencoded");

    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpReq("https://wwwcie.ups.com/security/v1/oauth/token",req,resp);
    if (success == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    resp.GetBodySb(sbResponseBody);

    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    Log.i(TAG, "Response Body:");
    Log.i(TAG, jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    Log.i(TAG, "Response Status Code = " + String.valueOf(respStatusCode));
    if (respStatusCode >= 400) {
        Log.i(TAG, "Response Header:");
        Log.i(TAG, resp.header());
        Log.i(TAG, "Failed.");
        return;
        }

    // Save the OAuth2 access token for other examples to use.
    jResp.WriteFile("qa_data/tokens/ups_oauth2_token.json");

    // If successful, the OAuth2 access token JSON looks like this:

    // {
    //   "token_type": "Bearer",
    //   "issued_at": "1686911985606",
    //   "client_id": "2498righ8wr6aihe98rt8rhowirtyw9er6twe80rtywrehrt",
    //   "access_token": "eyJraW......R2sbqrY",
    //   "expires_in": "14399",
    //   "status": "approved"
    // }

    String token_type = jResp.stringOf("token_type");
    String issued_at = jResp.stringOf("issued_at");
    String client_id = jResp.stringOf("client_id");
    String access_token = jResp.stringOf("access_token");
    String expires_in = jResp.stringOf("expires_in");
    String status = jResp.stringOf("status");

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}