Firebase Workshop RemoteConfig 관련 코드 조각

RemoteConfigFetch.java

//in SplashActivity.java 

    @Override
    protected void onResume() {
        super.onResume();

        FirebaseRemoteConfig.getInstance().fetch(60)
                .addOnSuccessListener(new OnSuccessListener<Void>() {
                    @Override
                    public void onSuccess(Void aVoid) {
                        //MessageListTheme is a simple static class to share the color values
                        //with other activities.
                        FirebaseRemoteConfig.getInstance().activateFetched();

                        MessageListTheme.MessageBackgroundColor =
                                Color.parseColor(
                                        FirebaseRemoteConfig.getInstance().getString("message_background_color"));

                        MessageListTheme.MessageTextColor =
                                Color.parseColor(
                                        FirebaseRemoteConfig.getInstance().getString("message_text_color"));
                        startActivity(new Intent(SplashActivity.this, MainActivity.class));
                        finish();
                    }
                })
                .addOnFailureListener(new OnFailureListener() {
                    @Override
                    public void onFailure(@NonNull Exception e) {

                        Map<String, Object> defaultConfig = new HashMap<>();
                        defaultConfig.put("message_background_color", "#FF000000");
                        defaultConfig.put("message_text_color", "#FFFFFFFF");

                        FirebaseRemoteConfig.getInstance().setDefaults(defaultConfig);

                        MessageListTheme.MessageBackgroundColor =
                                Color.parseColor(
                                        FirebaseRemoteConfig.getInstance().getString("message_background_color"));

                        MessageListTheme.MessageTextColor =
                                Color.parseColor(
                                        FirebaseRemoteConfig.getInstance().getString("message_text_color"));
                        startActivity(new Intent(SplashActivity.this, MainActivity.class));
                        finish();
                    }
                });
    }