UtilModule.java

package io.kaif.mobile.util;

import javax.inject.Singleton;

import com.google.gson.Gson;
import com.squareup.leakcanary.LeakCanary;
import com.squareup.leakcanary.RefWatcher;

import android.app.Application;
import android.content.Context;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.preference.PreferenceManager;
import dagger.Module;
import dagger.Provides;

@Module
public class UtilModule {

  private final Application application;

  public UtilModule(Application application) {
    this.application = application;
  }

  @Provides
  @Singleton
  Context provideApplicationContext() {
    return this.application;
  }

  @Provides
  @Singleton
  Gson provideGson() {
    return new Gson();
  }

  @Provides
  @Singleton
  SharedPreferences provideSharedPreferences() {
    return PreferenceManager.getDefaultSharedPreferences(application);
  }

  @Provides
  @Singleton
  ConnectivityManager provideConnectivityManager() {
    return (ConnectivityManager) application.getSystemService(Context.CONNECTIVITY_SERVICE);
  }

  @Provides
  @Singleton
  RefWatcher provideRefWatcher() {
    return LeakCanary.install(application);
  }

}