Java tutorial
/* * Copyright (C) 2014 John Hunt <john.alma.hunt@gmail.com> * * This file is part of Tetravex Android. * * Tetravex Android 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. * * Tetravex Android 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 Tetravex Android. If not, see <http://www.gnu.org/licenses/>. */ package com.github.tetravex_android; import android.app.Activity; import android.app.Application; import android.content.Context; import com.github.tetravex_android.fragment.PageFragmentFactory; import java.util.ArrayList; import java.util.List; import javax.inject.Inject; import dagger.ObjectGraph; /** * Custom application class */ public class TetravexApp extends Application { private ObjectGraph mObjectGraph; @Inject public TetravexApp() { } @Override public void onCreate() { super.onCreate(); mObjectGraph = ObjectGraph.create(getModules().toArray()); mObjectGraph.inject(this); mObjectGraph.inject(PageFragmentFactory.getInstance()); } protected List<Object> getModules() { List<Object> modules = new ArrayList<>(); modules.add(new TetravexModule(this)); return modules; } public void inject(Object object) { mObjectGraph.inject(object); } public static void injectActivity(Activity activity) { ((TetravexApp) activity.getApplication()).inject(activity); } public static void injectFragment(android.support.v4.app.Fragment fragment) { getApplication(fragment).inject(fragment); } public static TetravexApp getApplication(android.support.v4.app.Fragment fragment) { return (TetravexApp) fragment.getActivity().getApplication(); } public static TetravexApp getApplication(Activity activity) { return (TetravexApp) activity.getApplication(); } public static TetravexApp get(Context context) { return (TetravexApp) context.getApplicationContext(); } }