AppModule.java

package com.patloew.countries.injection.modules;

import android.app.Application;
import android.content.Context;
import android.content.res.Resources;

import com.patloew.countries.BuildConfig;
import com.patloew.countries.injection.qualifier.AppContext;
import com.patloew.countries.injection.scopes.PerApplication;
import com.squareup.leakcanary.LeakCanary;
import com.squareup.leakcanary.RefWatcher;

import dagger.Module;
import dagger.Provides;
import io.realm.Realm;
import io.realm.RealmConfiguration;

/* Copyright 2016 Patrick Löwenstein
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * ------
 *
 * FILE MODIFIED 2017 Tailored Media GmbH */
@Module
public class AppModule {

    private final Application mApp;

    public AppModule(Application app) {
        mApp = app;
    }

    @Provides
    @PerApplication
    @AppContext
    Context provideAppContext() {
        return mApp;
    }

    @Provides
    @PerApplication
    Resources provideResources() {
        return mApp.getResources();
    }


    @Provides
    @PerApplication
    RefWatcher provideRefWatcher() {
        return LeakCanary.install(mApp);
    }

    @Provides
    @PerApplication
    static RealmConfiguration provideRealmConfiguration() {
        RealmConfiguration.Builder builder = new RealmConfiguration.Builder();
        if(BuildConfig.DEBUG) { builder = builder.deleteRealmIfMigrationNeeded(); }
        return builder.build();
    }

    @Provides
    static Realm provideRealm(RealmConfiguration realmConfiguration) {
        return Realm.getInstance(realmConfiguration);
    }

}