File to handle force update and update firebase config on start

HomeFragment.java

package easydo.ithebk.fragment;

import android.databinding.DataBindingUtil;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.remoteconfig.FirebaseRemoteConfig;
import com.google.firebase.remoteconfig.FirebaseRemoteConfigSettings;

import java.util.HashMap;
import java.util.Map;

import easydo.ithebk.BuildConfig;
import easydo.ithebk.R;
import easydo.ithebk.databinding.FragmentHomeBinding;
import easydo.ithebk.listener.ForceUpdateChecker;


/**
 * Created by bharath on 28/8/16.
 */
public class HomeFragment extends Fragment implements ForceUpdateChecker.OnUpdateNeededListener {
    private static final String TAG = HomeFragment.class.getSimpleName();
    FragmentHomeBinding binding;

    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {

        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_home, container, false);


        updateConfig();
        ForceUpdateChecker.with(getContext()).onUpdateNeeded(HomeFragment.this).check();

        return binding.getRoot();
    }


    private void updateConfig() {
        final FirebaseRemoteConfig firebaseRemoteConfig = FirebaseRemoteConfig.getInstance();

        FirebaseRemoteConfigSettings configSettings = new FirebaseRemoteConfigSettings.Builder()
                // .setDeveloperModeEnabled(BuildConfig.DEBUG) // Enable this on debugging
                .build();
        firebaseRemoteConfig.setConfigSettings(configSettings);

        // set in-app defaults
        Map<String, Object> remoteConfigDefaults = new HashMap();
        remoteConfigDefaults.put(ForceUpdateChecker.KEY_APP_VERSION_CODE, BuildConfig.VERSION_CODE);
        remoteConfigDefaults.put(ForceUpdateChecker.KEY_UPDATE_REQUIRED, false);
        remoteConfigDefaults.put(ForceUpdateChecker.KEY_PLAY_WHATS_NEW_TEXT, ForceUpdateChecker.PLAY_WHATS_NEW_TEXT_DEFAULT);
        firebaseRemoteConfig.setDefaults(remoteConfigDefaults);

        long cacheExpiration = 3600;
        //onDevelopment make cacheExpiration as zero second;
        if (firebaseRemoteConfig.getInfo().getConfigSettings().isDeveloperModeEnabled()) {
            cacheExpiration = 0;
        }

        firebaseRemoteConfig.fetch(cacheExpiration)
                .addOnCompleteListener(new OnCompleteListener<Void>() {
                    @Override
                    public void onComplete(@NonNull Task<Void> task) {
                        if (task.isSuccessful()) {
                            System.out.println("remote config is fetched.");
                            firebaseRemoteConfig.activateFetched();

                        } else {
                            System.out.println("fetch failed:" + task.getException());

                        }

                    }


                });
    }


    @Override
    public void onUpdateNeeded(final String whatsNew) {
        System.out.println("Update need to be pushed");
    }
}