diff -r 000000000000 -r 14443efede32 app/src/main/java/com/geekorum/ttrss/Application.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/src/main/java/com/geekorum/ttrss/Application.java	Sat Nov 24 17:54:27 2018 -0800
@@ -0,0 +1,105 @@
+/**
+ * Geekttrss is a RSS feed reader application on the Android Platform.
+ *
+ * Copyright (C) 2017-2018 by Frederic-Charles Barthelery.
+ *
+ * This file is part of Geekttrss.
+ *
+ * Geekttrss is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Geekttrss is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Geekttrss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.ttrss;
+
+import android.app.Activity;
+import android.app.Service;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+import androidx.appcompat.app.AppCompatDelegate;
+import com.geekorum.ttrss.di.ApplicationComponent;
+import com.geekorum.ttrss.di.DaggerApplicationComponent;
+import com.squareup.picasso.Picasso;
+import dagger.android.AndroidInjector;
+import dagger.android.DispatchingAndroidInjector;
+import dagger.android.HasActivityInjector;
+import dagger.android.HasServiceInjector;
+import timber.log.Timber;
+
+import javax.inject.Inject;
+
+import static androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_AUTO;
+
+/**
+ * Initialize global component for the TTRSS application.
+ */
+public class Application extends android.app.Application implements HasActivityInjector, HasServiceInjector {
+    @Inject
+    ApplicationComponent applicationComponent;
+
+    @Inject
+    DispatchingAndroidInjector<Activity> dispatchinActivityInjector;
+    @Inject
+    DispatchingAndroidInjector<Service> dispatchingServiceInjector;
+
+    @Inject
+    Timber.Tree timberTree;
+
+    @Inject
+    Picasso picasso;
+
+    private boolean needToInject = true;
+
+    @Override
+    public void onCreate() {
+        injectIfNecessary();
+        super.onCreate();
+        Timber.plant(timberTree);
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
+        String nighModeStr = sharedPreferences.getString(SettingsActivity.KEY_THEME, Integer.toString(MODE_NIGHT_AUTO));
+        int nighMode = Integer.valueOf(nighModeStr);
+        AppCompatDelegate.setDefaultNightMode(nighMode);
+    }
+
+    public void injectIfNecessary() {
+        if (needToInject) {
+            synchronized (this) {
+                if (needToInject) {
+                    DaggerApplicationComponent.builder()
+                            .bindApplication(this)
+                            .build().inject(this);
+                    setupPicasso();
+                    needToInject = false;
+                }
+            }
+        }
+    }
+
+    public ApplicationComponent getApplicationComponent() {
+        // Content providers can be created before Application.onCreate() is called
+        injectIfNecessary();
+        return applicationComponent;
+    }
+
+    @Override
+    public AndroidInjector<Activity> activityInjector() {
+        return dispatchinActivityInjector;
+    }
+
+    private void setupPicasso() {
+        Picasso.setSingletonInstance(picasso);
+    }
+
+    @Override
+    public AndroidInjector<Service> serviceInjector() {
+        return dispatchingServiceInjector;
+    }
+}