Android™

WhatsApp Cloud API Send Message

See more WhatsApp Examples

Demonstrates how to send a message using the WhatsApp Cloud API (Business App) 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();

    // The following JSON is sent in the request body.

    // {
    //   "messaging_product": "whatsapp",
    //   "to": "16302581871",
    //   "type": "template",
    //   "template": {
    //     "name": "hello_world",
    //     "language": {
    //       "code": "en_US"
    //     }
    //   }
    // }

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("messaging_product","whatsapp");
    json.UpdateString("to","15555555555");
    json.UpdateString("type","template");
    json.UpdateString("template.name","hello_world");
    json.UpdateString("template.language.code","en_US");

    http.put_AuthToken("EAANrS5....yFB9Ma");
    http.SetRequestHeader("Content-Type","application/json");

    CkHttpResponse resp = new CkHttpResponse();
    success = http.HttpJson("POST","https://graph.facebook.com/v18.0/111111111111111/messages",json,"application/json",resp);
    if (success == false) {
        Log.i(TAG, http.lastErrorText());
        return;
        }

    Log.i(TAG, String.valueOf(resp.get_StatusCode()));
    Log.i(TAG, resp.bodyStr());

    // Here's a screenshot of our WhatsApp test app.

    // 

  }

  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."
  }
}