/**
* Unsubscribes from a given Amazon SNS topic.
*
* @param topic topic to unsubscribe from
*/
public void unsubscribeFromTopic(final SnsTopic topic) {
// Rely on the status stored locally even though it's likely that the device is
// subscribed to a topic, but the subscription arn is lost, say due to clearing app data.
if (!topic.isSubscribed()) {
return;
}
final UnsubscribeRequest request = new UnsubscribeRequest();
request.setSubscriptionArn(topic.getSubscriptionArn());
sns.unsubscribe(request);
// update topic and save subscription in shared preferences
topic.setSubscriptionArn("");
sharedPreferences.edit().putString(topic.getTopicArn(), "").commit();
}
/**
* Constructs a new UnsubscribeRequest object. Callers should use the setter or fluent setter
* (with...) methods to initialize any additional object members.
*
* @param subscriptionArn The ARN of the subscription to be deleted.
*/
public UnsubscribeRequest(String subscriptionArn) {
setSubscriptionArn(subscriptionArn);
}