mvp_i.java

class Presenter {
 Presenter(IView view, Interactor i){
   // Basic Constructor
 }
}

class Interactor {
 Interactor(Context ctx){
  // Basic Constructor
 } 
}

class MainActivity extends Activity implements IView {
 @Override 
 void onCreate(Bundle b){
   super.onCreate(b);
   this.presenter = new Presenter(this, new Interactor(this);
 }
}