Android™

SNS Publish (Send Message)

See more Amazon SNS Examples

Sends a message to all of a topic's subscribed endpoints.

See SNS Publish for more information.

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.

    CkRest rest = new CkRest();

    // Connect to the Amazon AWS REST server.
    // such as https://sns.us-west-2.amazonaws.com/
    boolean bTls = true;
    int port = 443;
    boolean bAutoReconnect = true;
    success = rest.Connect("sns.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    // the region should match our URL above..
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("sns");

    rest.SetAuthAws(authAws);

    rest.AddQueryParam("Action","Publish");
    rest.AddQueryParam("TopicArn","arn:aws:sns:us-west-2:957491831129:chilkat");
    // For subscribed email addresses, this is the subject of the email.
    rest.AddQueryParam("Subject","Test Message from Amazon SNS");
    rest.AddQueryParam("Message","This is a test message from Amazon SNS");

    String responseXml = rest.fullRequestNoBody("GET","/");
    if (rest.get_LastMethodSuccess() != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    // A successful response will have a status code equal to 200.
    if (rest.get_ResponseStatusCode() != 200) {
        Log.i(TAG, "response status code = " + String.valueOf(rest.get_ResponseStatusCode()));
        Log.i(TAG, "response status text = " + rest.responseStatusText());
        Log.i(TAG, "response header: " + rest.responseHeader());
        Log.i(TAG, "response body: " + responseXml);
        return;
        }

    // Examine the successful XML response.
    CkXml xml = new CkXml();
    xml.LoadXml(responseXml);
    Log.i(TAG, xml.getXml());

    // To get the MessageId
    Log.i(TAG, "MessageId: " + xml.chilkatPath("PublishResult|MessageId|*"));

    // A sample successful response:
    // <?xml version="1.0" encoding="utf-8" ?>
    // <PublishResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
    //     <PublishResult>
    //         <MessageId>5e135f2e-898d-5006-940a-0f43829c764b</MessageId>
    //     </PublishResult>
    //     <ResponseMetadata>
    //         <RequestId>9adbf47d-9e07-5981-bb7f-a4609a167fcc</RequestId>
    //     </ResponseMetadata>
    // </PublishResponse>

  }

  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."
  }
}