SampleForceUpdate Application class

App.java

public class App extends Application {

    private static final String TAG = App.class.getSimpleName();

    @Override
    public void onCreate() {
        super.onCreate();

        final FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();

        // set in-app defaults
        Map<String, Object> remoteConfigDefaults = new HashMap();
        remoteConfigDefaults.put(ForceUpdateChecker.KEY_UPDATE_REQUIRED, false);
        remoteConfigDefaults.put(ForceUpdateChecker.KEY_CURRENT_VERSION, "1.0.0");
        remoteConfigDefaults.put(ForceUpdateChecker.KEY_UPDATE_URL,
                "https://play.google.com/store/apps/details?id=com.sembozdemir.renstagram");

        firebaseRemoteConfig.setDefaults(remoteConfigDefaults);
        firebaseRemoteConfig.fetch(60) // fetch every minutes
                .addOnCompleteListener(new OnCompleteListener<Void>() {
                    @Override
                    public void onComplete(@NonNull Task<Void> task) {
                        if (task.isSuccessful()) {
                            Log.d(TAG, "remote config is fetched.");
                            firebaseRemoteConfig.activateFetched();
                        }
                    }
                });
    }
}