Android™
Outlook Send HTML Email

This example sends an HTML email. Other examples exist for:
Sending plain-text email.
Sending HTML email with embedded images.
Sending email with attachments.
Sending HTML email with embedded images and attachments.
Chilkat Android™ Downloads

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.

    CkHttp http = new CkHttp();

    //  Use your previously obtained access token here:
    //  See the following examples for getting an access token:
    //     Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
    //     Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
    //     Refresh Access Token (Azure AD v2.0 Endpoint).
    //     Refresh Access Token (Azure AD Endpoint).

    http.put_AuthToken("MICROSOFT_GRAPH_ACCESS_TOKEN");

    //  To send mail, we'll POST to the following endpoint:
    //  
    //  POST /users/{id | userPrincipalName}/sendMail
    //  
    //  (The special keyword "me" may be used in place of a principal name.)
    //  

    //  This example will send HTML email containing the following HTML body:

    //  	<html>
    //  	<head>
    //  	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    //  	<meta content="text/html; charset=utf-8">
    //  	</head>
    //  	<body bgcolor="#FFFFFF">
    //  	<font face="Calibri">This is a test <b>HTML email</b>.<br>
    //  	</font>
    //  	</body>
    //  	</html>

    //  Build the HTML body...
    boolean bCrlf = true;
    CkStringBuilder sbHtmlBody = new CkStringBuilder();
    sbHtmlBody.AppendLine("<html>",bCrlf);
    sbHtmlBody.AppendLine("<head>",bCrlf);
    sbHtmlBody.AppendLine("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">",bCrlf);
    sbHtmlBody.AppendLine("<meta content=\"text/html; charset=utf-8\">",bCrlf);
    sbHtmlBody.AppendLine("</head>",bCrlf);
    sbHtmlBody.AppendLine("<body bgcolor=\"#FFFFFF\">",bCrlf);
    sbHtmlBody.AppendLine("<font face=\"Calibri\">This is a test <b>HTML email</b>.<br>",bCrlf);
    sbHtmlBody.AppendLine("</font>",bCrlf);
    sbHtmlBody.AppendLine("</body>",bCrlf);
    sbHtmlBody.AppendLine("</html>",bCrlf);

    //  The body of the POST request contains JSON that specifies the email subject, body,
    //  recipients, etc.  This example will build the following JSON HTML email:
    //  

    //  	{
    //  	  "message": {
    //  	    "subject": "Sample HTML Email",
    //  	    "body": {
    //  	      "contentType": "html",
    //  	      "content": "The HTML body goes here..."
    //  	    },
    //  	    "toRecipients": [
    //  	      {
    //  	        "emailAddress": {
    //  		  "name": "Chilkat Software",
    //  	          "address": "admin@chilkat.io"
    //  	        }
    //  	      },
    //  	      {
    //  	        "emailAddress": {
    //  	          "address": "chilkat.support@gmail.com"
    //  	        }
    //  	      }
    //  	    ],
    //  	    "ccRecipients": [
    //  	      {
    //  	        "emailAddress": {
    //  		  "name": "Chilkat Blog",
    //  		  "address": "admin@cknotes.com"
    //  	        }
    //  	      }
    //  	    ]
    //  	  },
    //  	  "saveToSentItems": true
    //  	}
    //  

    //  Build the above JSON.
    CkJsonObject json = new CkJsonObject();
    json.UpdateString("message.subject","Sample HTML email");
    json.UpdateString("message.body.contentType","html");
    json.UpdateString("message.body.content",sbHtmlBody.getAsString());
    json.UpdateString("message.toRecipients[0].emailAddress.name","Chilkat Software");
    json.UpdateString("message.toRecipients[0].emailAddress.address","admin@chilkat.io");
    json.UpdateString("message.toRecipients[1].emailAddress.address","chilkat.support@gmail.com");
    json.UpdateString("message.ccRecipients[0].emailAddress.name","Chilkat Blog");
    json.UpdateString("message.ccRecipients[0].emailAddress.address","admin@cknotes.com");
    json.UpdateBool("saveToSentItems",true);

    //  Send the HTTP POST (i.e. send the HTML email)
    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpJson("POST","https://graph.microsoft.com/v1.0/me/sendMail",json,"application/json",resp);
    if (success == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    //  The send succeeded if the response status code = 202.
    //  In the success case, there is no response body.  (We just get the response code to know that it succeeded.)
    if (resp.get_StatusCode() != 202) {
        json.Load(resp.bodyStr());
        json.put_EmitCompact(false);
        Log.i(TAG, json.emit());
        Log.i(TAG, "Failed, response status code = " + String.valueOf(resp.get_StatusCode()));
        }
    else {
        Log.i(TAG, "Outlook HTML Mail Sent.");
        }


  }

  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."
  }
}