Wrapper around Remote Config to simplify fetching config values.

RemoteConfigUtil.java

public class RemoteConfigUtil {

  public static final String SHOULD_REQUIRE_LOGIN = "should_require_login";

  public static void init() {
    Map<String, Object> defaultsMap = getDefaultsMap();

    FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();
    FirebaseRemoteConfigSettings configSettings = new FirebaseRemoteConfigSettings.Builder()
        .setMinimumFetchIntervalInSeconds(BuildConfig.DEBUG ? 15 : 3600)
        .build();
    firebaseRemoteConfig.setConfigSettingsAsync(configSettings);
    firebaseRemoteConfig.setDefaultsAsync(defaultsMap);
    firebaseRemoteConfig.fetchAndActivate()
        .addOnCompleteListener(task -> {
          if (CrashUtil.didHandleFirestoreException(task.getException())) {
            return;
          }
          if (!task.isSuccessful()) {
            Timber.e("Failed to fetch remote config from firebase");
            return;
          }

          Timber.d("Remote config has been fetched from Firebase");
        });
  }

  private static Map<String, Object> getDefaultsMap() {
    Map<String, Object> defaultsMap = new HashMap<>();
    defaultsMap.put(SHOULD_REQUIRE_LOGIN, true);
    return defaultsMap;
  }

  /**
   * If true, we go to the authentication activity per usual where users have to login.
   * If false, we go to the landing activity. Users can use the app without logging in.
   * Goal: increase short-term adoption and retention compared to forcing users to login.
   */
  public static boolean shouldRequireLogin() {
    boolean shouldRequireLogin = FirebaseRemoteConfig
        .getInstance()
        .getBoolean(SHOULD_REQUIRE_LOGIN);
    Timber.d("remote config: " + SHOULD_REQUIRE_LOGIN + ": " + shouldRequireLogin);
    return shouldRequireLogin;
  }
}