App.java

package com.fastaccess;

import android.app.Application;
import android.support.annotation.NonNull;
import android.support.v7.preference.PreferenceManager;

import com.fastaccess.data.dao.model.Models;
import com.fastaccess.helper.TypeFaceHelper;
import com.fastaccess.provider.tasks.notification.NotificationSchedulerJobTask;
import com.fastaccess.provider.uil.UILProvider;
import com.google.android.gms.auth.api.Auth;
import com.google.android.gms.common.Scopes;
import com.google.android.gms.common.api.GoogleApiClient;

import io.requery.Persistable;
import io.requery.android.sqlite.DatabaseSource;
import io.requery.meta.EntityModel;
import io.requery.rx.RxSupport;
import io.requery.rx.SingleEntityStore;
import io.requery.sql.Configuration;
import io.requery.sql.EntityDataStore;
import io.requery.sql.TableCreationMode;
import shortbread.Shortbread;


/**
 * Created by Kosh on 03 Feb 2017, 12:07 AM
 */

public class App extends Application {
    private static App instance;
    private SingleEntityStore<Persistable> dataStore;
    private static GoogleApiClient googleApiClient;

    @Override public void onCreate() {
        super.onCreate();
        instance = this;
        init();
    }

    @NonNull public static App getInstance() {
        return instance;
    }

    private void init() {
        deleteDatabase("database.db");
        getDataStore();//init requery before anything.
        PreferenceManager.setDefaultValues(this, R.xml.fasthub_settings, false);
        UILProvider.initUIL(this);
        TypeFaceHelper.generateTypeface(this);
        NotificationSchedulerJobTask.scheduleJob(this);
        Shortbread.create(this);
        googleApiClient = new GoogleApiClient.Builder(this)
                .addApi(Auth.CREDENTIALS_API)
                .build();
        googleApiClient.connect();
    }

    public SingleEntityStore<Persistable> getDataStore() {
        if (dataStore == null) {
            EntityModel model = Models.DEFAULT;
            DatabaseSource source = new DatabaseSource(this, model, "FastHub-DB", 9);
            Configuration configuration = source.getConfiguration();
            if (BuildConfig.DEBUG) {
                source.setTableCreationMode(TableCreationMode.CREATE_NOT_EXISTS);
            }
            dataStore = RxSupport.toReactiveStore(new EntityDataStore<Persistable>(configuration));
        }
        return dataStore;
    }

    public GoogleApiClient getGoogleApiClient() {
        return googleApiClient;
    }
}