Android™

Zoom OAuth2 Access Token

See more Zoom Examples

Demonstrates how to get a Zoom OAuth2.0 access token for desktop applications. 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 requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    CkOAuth2 oauth2 = new CkOAuth2();

    //  This should be the port in the localhost callback URL for your app.  
    //  The callback URL would look like "http://localhost:3017/" if the port number is 3017.
    oauth2.put_ListenPort(3017);

    oauth2.put_AuthorizationEndpoint("https://zoom.us/oauth/authorize");
    oauth2.put_TokenEndpoint("https://zoom.us/oauth/token");

    //  Replace these with actual values.
    oauth2.put_ClientId("CLIENT_ID");
    oauth2.put_ClientSecret("CLIENT_SECRET");
    oauth2.put_UseBasicAuth(true);

    //  Make sure to change to the SPACE separated list of scopes you'll actually need.
    oauth2.put_Scope("account:read:admin");

    //  Begin the OAuth2 three-legged flow.  This returns a URL that should be loaded in a browser.
    String url = oauth2.startAuth();
    if (oauth2.get_LastMethodSuccess() == false) {
        Log.i(TAG, oauth2.lastErrorText());
        return;
        }

    //  Launch the system's default browser navigated to the URL.
    success = oauth2.LaunchBrowser(url);
    if (success == false) {
        Log.i(TAG, oauth2.lastErrorText());
        return;
        }

    //  Now wait for the authorization.
    //  We'll wait for a max of 30 seconds.
    int numMsWaited = 0;
    while ((numMsWaited < 30000) and (oauth2.get_AuthFlowState() < 3)) {
        oauth2.SleepMs(100);
        numMsWaited = numMsWaited + 100;
        }

    //  If there was no response from the browser within 30 seconds, then 
    //  the AuthFlowState will be equal to 1 or 2.
    //  1: Waiting for Redirect. The OAuth2 background thread is waiting to receive the redirect HTTP request from the browser.
    //  2: Waiting for Final Response. The OAuth2 background thread is waiting for the final access token response.
    //  In that case, cancel the background task started in the call to StartAuth.
    if (oauth2.get_AuthFlowState() < 3) {
        oauth2.Cancel();
        Log.i(TAG, "No response from the browser!");
        return;
        }

    //  Check the AuthFlowState to see if authorization was granted, denied, or if some error occurred
    //  The possible AuthFlowState values are:
    //  3: Completed with Success. The OAuth2 flow has completed, the background thread exited, and the successful JSON response is available in AccessTokenResponse property.
    //  4: Completed with Access Denied. The OAuth2 flow has completed, the background thread exited, and the error JSON is available in AccessTokenResponse property.
    //  5: Failed Prior to Completion. The OAuth2 flow failed to complete, the background thread exited, and the error information is available in the FailureInfo property.
    if (oauth2.get_AuthFlowState() == 5) {
        Log.i(TAG, "OAuth2 failed to complete.");
        Log.i(TAG, oauth2.failureInfo());
        return;
        }

    if (oauth2.get_AuthFlowState() == 4) {
        Log.i(TAG, "OAuth2 authorization was denied.");
        Log.i(TAG, oauth2.accessTokenResponse());
        return;
        }

    if (oauth2.get_AuthFlowState() != 3) {
        Log.i(TAG, "Unexpected AuthFlowState:" + String.valueOf(oauth2.get_AuthFlowState()));
        return;
        }

    Log.i(TAG, "OAuth2 authorization granted!");
    Log.i(TAG, "Access Token = " + oauth2.accessToken());

    //  Get the full JSON response:
    CkJsonObject json = new CkJsonObject();
    json.Load(oauth2.accessTokenResponse());
    json.put_EmitCompact(false);

    //  The JSON response looks like this:

    Log.i(TAG, json.emit());

    //  Save the JSON to a file for future requests.
    CkFileAccess fac = new CkFileAccess();
    fac.WriteEntireTextFile("qa_data/tokens/zoom.json",json.emit(),"utf-8",false);

  }

  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."
  }
}