JournetMVPLoader_LoaderActivityCallbacks.java

/*Activity.java
 - onCreate and other lifecycle stuff */

/*
* Loader API callbacks
* */

/* Here we are creating a new instance of our loader and sending it 
the presenter which it will store for future. */
@Override
public Loader<MainPresenter> onCreateLoader(int id, Bundle args) {
    return new MainLoader(this, new MainPresenter(new DataManager(this)));
}

/*  The deliverResult function from Loader delivers the result 
    back to us here, as you can see we set our local variable in 
    activity equal to the presenter that the loaders loads for 
    us. As initLoader() was called in onCreate(), this load 
    finishes before onStart() of activity, and thus we can start 
    using the presenter from onStart(). Also if rotation happens 
    onCreateLoader() is never called and the load from the 
    previously created loader is given back to us, i.e. the 
    pre-rotation presenter. */
@Override
public void onLoadFinished(Loader<MainPresenter> loader, MainPresenter presenter) {
    this.presenter = presenter;
}

@Override
public void onLoaderReset(Loader<MainPresenter> loader) {

}