new Handler().postDelayed(new Runnable() {
        @Override
        public void run() {
            mFirebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
            FirebaseRemoteConfigSettings configSettings = new FirebaseRemoteConfigSettings.Builder()
                    .setDeveloperModeEnabled(false)
                    .build();

            mFirebaseRemoteConfig.setConfigSettings(configSettings);
            mFirebaseRemoteConfig.setDefaults(R.xml.remote_config_defaults);

            mFirebaseRemoteConfig.fetch(CACHE_EXPIRATION)
                    .addOnSuccessListener(new OnSuccessListener<Void>() {
                        @Override
                        public void onSuccess(Void aVoid) {
                            mFirebaseRemoteConfig.activateFetched();
                        }
                    })
                    .addOnFailureListener(new OnFailureListener() {
                        @Override
                        public void onFailure(@NonNull Exception exception) {
                        }
                    });
        }
    }, 0);