LoaderManager

public abstract class LoaderManager
extends Object

This class was deprecated in API level 28.
Use the Support Library LoaderManager

Interface associated with an Activity or Fragment for managing one or more Loader instances associated with it. This helps an application manage longer-running operations in conjunction with the Activity or Fragment lifecycle; the most common use of this is with a CursorLoader, however applications are free to write their own loaders for loading other types of data. While the LoaderManager API was introduced in Build.VERSION_CODES.HONEYCOMB, a version of the API at is also available for use on older platforms through FragmentActivity. See the blog post Fragments For All for more details.

As an example, here is the full implementation of a Fragment that displays a ListView containing the results of a query against the contacts content provider. It uses a CursorLoader to manage the query on the provider.

public static class CursorLoaderListFragment extends ListFragment
        implements OnQueryTextListener, OnCloseListener,
        LoaderManager.LoaderCallbacks<Cursor> {

    // This is the Adapter being used to display the list's data.
    SimpleCursorAdapter mAdapter;

    // The SearchView for doing filtering.
    SearchView mSearchView;

    // If non-null, this is the current filter the user has provided.
    String mCurFilter;

    @Override public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        // Give some text to display if there is n