MyApplication.java

package sample.github.nisrulz.usingrealmdb;

import android.app.Application;
import io.realm.Realm;
import io.realm.RealmConfiguration;

public class MyApplication extends Application {

  @Override
  public void onCreate() {
    super.onCreate();

    Realm.init(this);

    RealmConfiguration realmConfiguration =
        new RealmConfiguration.Builder().name("example.realm").build();

    Realm.setDefaultConfiguration(realmConfiguration);
  }
}