استفاده از Pushfa Android SDK در Java

public class App extends Application {
    @Override
    public void onCreate() {
        super.onCreate();

        PushfaConfig config = new PushfaConfig("YOUR_PUBLIC_KEY");
        Pushfa.initialize(this, config, result -> {
            if (result.isSuccess()) {
                PushfaState state = result.getValue();
                Log.d("Pushfa", "subscriber=" + state.getSubscriberId());
            } else {
                Log.e("Pushfa", "Initialization failed", result.getError());
            }
        });
    }
}

Pushfa.subscribeTopic("TOPIC_UUID", result -> {
    Log.d("Pushfa", "topics=" + result.getValue());
});

Pushfa.setExternalId("USER-123", result -> {
    Log.d("Pushfa", "externalId=" + result.getValue());
});

Pushfa.addAlias("mobile", "09120000000", result -> {
    Log.d("Pushfa", "aliases=" + result.getValue());
});

// Logout
Pushfa.setExternalId(null, result -> {});