Android™

Office365 IMAP with OAuth2 Authentication

See more Office365 Examples

Demonstrates how to authenticate using OAuth2 with outlook.office365.com. 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;

    // An Office365 OAuth2 access token must first be obtained prior
    // to running this code.

    // Getting the OAuth2 access token for the 1st time requires the O365 account owner's 
    // interactive authorizaition via a web browser.  Afterwards, the access token
    // can be repeatedly refreshed automatically.

    // See the following examples for getting and refreshing an OAuth2 access token

    // Get Office365 SMTP/IMAP/POP3 OAuth2 Access Token
    // Refresh Office365 SMTP/IMAP/POP3 OAuth2 Access Token

    // First get our previously obtained OAuth2 access token.
    CkJsonObject jsonToken = new CkJsonObject();
    success = jsonToken.LoadFile("qa_data/tokens/office365.json");
    if (success == false) {
        Log.i(TAG, "Failed to open the office365 OAuth JSON file.");
        return;
        }

    CkImap imap = new CkImap();

    imap.put_Ssl(true);
    imap.put_Port(993);

    // Connect to the Office365 IMAP server.
    success = imap.Connect("outlook.office365.com");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // Use OAuth2 authentication.
    imap.put_AuthMethod("XOAUTH2");

    // Login using our username (i.e. email address) and the access token for the password.
    success = imap.Login("OFFICE365_EMAIL_ADDRESS",jsonToken.stringOf("access_token"));
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    Log.i(TAG, "O365 OAuth authentication is successful.");

    // Do something...
    success = imap.SelectMailbox("Inbox");
    if (success != true) {
        Log.i(TAG, imap.lastErrorText());
        return;
        }

    // Your application can continue to do other things in the IMAP session....

    // When finished, logout and close the connection.
    success = imap.Logout();
    success = imap.Disconnect();

    Log.i(TAG, "Finished.");

  }

  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."
  }
}