mTHMMY/app/src/main/java/gr/thmmy/mthmmy/base/BaseApplication.java

package gr.thmmy.mthmmy.base;

import android.app.Application;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.support.v4.content.ContextCompat;
import android.widget.ImageView;

import com.franmontiel.persistentcookiejar.PersistentCookieJar;
import com.franmontiel.persistentcookiejar.cache.SetCookieCache;
import com.franmontiel.persistentcookiejar.persistence.SharedPrefsCookiePersistor;
import com.jakewharton.picasso.OkHttp3Downloader;
import com.mikepenz.fontawesome_typeface_library.FontAwesome;
import com.mikepenz.iconics.IconicsDrawable;
import com.mikepenz.materialdrawer.util.AbstractDrawerImageLoader;
import com.mikepenz.materialdrawer.util.DrawerImageLoader;
import com.squareup.picasso.Picasso;

import java.util.concurrent.TimeUnit;

import gr.thmmy.mthmmy.R;
import gr.thmmy.mthmmy.session.SessionManager;
import okhttp3.OkHttpClient;

public class BaseApplication extends Application {


    private static BaseApplication baseApplication; //BaseApplication singleton

    // Client & SessionManager
    private OkHttpClient client;
    private static SessionManager sessionManager;

    //Shared Preferences
    private static final String SHARED_PREFS_NAME = "ThmmySharedPrefs";

    public static BaseApplication getInstance(){
        return baseApplication;
    }

    @Override
    public void onCreate() {
        super.onCreate();
        baseApplication = this; //init singleton

        SharedPreferences sharedPrefs = getSharedPreferences(SHARED_PREFS_NAME, MODE_PRIVATE);
        SharedPrefsCookiePersistor sharedPrefsCookiePersistor = new SharedPrefsCookiePersistor(getApplicationContext());
        PersistentCookieJar cookieJar = new PersistentCookieJar(new SetCookieCache(), sharedPrefsCookiePersistor);
        client = new OkHttpClient.Builder()
                .cookieJar(cookieJar)
                .connectTimeout(30, TimeUnit.SECONDS)
                .writeTimeout(30, TimeUnit.SECONDS)
                .readTimeout(30, TimeUnit.SECONDS)
                .build();
        sessionManager = new SessionManager(client, cookieJar, sharedPrefsCookiePersistor, sharedPrefs);
        Picasso picasso = new Picasso.Builder(getApplicationContext())
                .downloader(new OkHttp3Downloader(client))
                .build();

        Picasso.setSingletonInstance(picasso);  //All following Picasso (with Picasso.with(Context context) requests will use this Picasso object

        //Initialize and create the image loader logic
        DrawerImageLoader.init(new AbstractDrawerImageLoader() {
            @Override
            public void set(ImageView imageView, Uri uri, Drawable placeholder) {
                Picasso.with(imageView.getContext()).load(uri).placeholder(placeholder).into(imageView);
            }
            @Override
            public void cancel(ImageView imageView) {
                Picasso.with(imageView.getContext()).cancelRequest(imageView);
            }

            @Override
            public Drawable placeholder(Context ctx, String tag) {
                if (DrawerImageLoader.Tags.PROFILE.name().equals(tag)) {
                    return new IconicsDrawable(ctx).icon(FontAwesome.Icon.faw_user)
                            .paddingDp(10)
                            .color(ContextCompat.getColor(ctx, R.color.primary_light))
                            .backgroundColor(ContextCompat.getColor(ctx, R.color.primary));
                }
                return super.placeholder(ctx, tag);
            }
        });
    }

    public OkHttpClient getClient() {
        return client;
    }

    public SessionManager getSessionManager() {
        return sessionManager;
    }


}