android.support.v4.app.LoaderManager.LoaderCallbacks

Here are the examples of the java api class android.support.v4.app.LoaderManager.LoaderCallbacks taken from open source projects.

1. TaskListViewPagerFragment#onActivityCreated()

Project: NotePad
File: TaskListViewPagerFragment.java
@Override
public void onActivityCreated(final Bundle state) {
    super.onActivityCreated(state);
    loaderCallbacks = new LoaderCallbacks<Cursor>() {

        @Override
        public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {
            return new CursorLoader(getActivity(), TaskList.URI, new String[] { TaskList.Columns._ID, TaskList.Columns.TITLE }, null, null, getResources().getString(R.string.const_as_alphabetic, TaskList.Columns.TITLE));
        }

        @Override
        public void onLoadFinished(Loader<Cursor> arg0, Cursor c) {
            mTaskListsAdapter.swapCursor(c);
            final int pos;
            if (mListIdToSelect != -1) {
                pos = mSectionsPagerAdapter.getItemPosition(mListIdToSelect);
            } else {
                pos = -1;
            }
            if (pos >= 0) {
                pager.setCurrentItem(pos);
                mListIdToSelect = -1;
            }
        }

        @Override
        public void onLoaderReset(Loader<Cursor> arg0) {
            mTaskListsAdapter.swapCursor(null);
        }
    };
    // Load actual data
    getLoaderManager().restartLoader(0, null, loaderCallbacks);
}

2. TaskListFragment#onActivityCreated()

Project: NotePad
File: TaskListFragment.java
@Override
public void onActivityCreated(final Bundle state) {
    super.onActivityCreated(state);
    // Get the global list settings
    final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getActivity());
    // Load pref for item height
    //mRowCount = prefs.getInt(getString(R.string.key_pref_item_max_height), 3);
    //mHideCheckbox = prefs.getBoolean(getString(R.string.pref_hidecheckboxes), false);
    // mSortType = prefs.getString(getString(R.string.pref_sorttype),
    // getString(R.string.default_sorttype));
    // mListType = prefs.getString(getString(R.string.pref_listtype),
    // getString(R.string.default_listtype));
    mCallback = new LoaderCallbacks<Cursor>() {

        @Override
        public Loader<Cursor> onCreateLoader(int id, Bundle arg1) {
            if (id == LOADER_CURRENT_LIST) {
                return new CursorLoader(getActivity(), TaskList.getUri(mListId), TaskList.Columns.FIELDS, null, null, null);
            } else {
                // What sorting to use
                Uri targetUri;
                String sortSpec;
                if (mSortType == null) {
                    mSortType = prefs.getString(getString(R.string.pref_sorttype), getString(R.string.default_sorttype));
                }
                // All-view can't use manual sorting
                if (mListId < 1 && mSortType.equals(getString(R.string.const_possubsort))) {
                    mSortType = getString(R.string.const_all_default_sorting);
                }
                if (mSortType.equals(getString(R.string.const_alphabetic))) {
                    targetUri = Task.URI;
                    sortSpec = getString(R.string.const_as_alphabetic, Task.Columns.TITLE);
                } else if (mSortType.equals(getString(R.string.const_duedate))) {
                    targetUri = Task.URI_SECTIONED_BY_DATE;
                    sortSpec = null;
                } else if (mSortType.equals(getString(R.string.const_modified))) {
                    targetUri = Task.URI;
                    sortSpec = Task.Columns.UPDATED + " DESC";
                } else // manual sorting
                {
                    targetUri = Task.URI;
                    sortSpec = Task.Columns.LEFT;
                }
                String where = null;
                String[] whereArgs = null;
                if (mListId > 0) {
                    where = Task.Columns.DBLIST + " IS ?";
                    whereArgs = new String[] { Long.toString(mListId) };
                }
                return new CursorLoader(getActivity(), targetUri, Task.Columns.FIELDS, where, whereArgs, sortSpec);
            }
        }

        @Override
        public void onLoadFinished(Loader<Cursor> loader, Cursor c) {
            if (loader.getId() == LOADER_TASKS) {
                Log.d(TAG, "onLoadFinished() called");
                mAdapter.swapCursor(c);
            }
        }

        @Override
        public void onLoaderReset(Loader<Cursor> loader) {
            if (loader.getId() == LOADER_TASKS) {
                mAdapter.swapCursor(null);
            }
        }
    };
    getLoaderManager().restartLoader(LOADER_TASKS, null, mCallback);
}

3. FragmentSearch#setupAdapter()

Project: NotePad
File: FragmentSearch.java
@AfterViews
void setupAdapter() {
    mAdapter = getAdapter();
    mAdapter.setViewBinder(getViewBinder());
    // Set adapter
    list.setAdapter(mAdapter);
    list.setOnItemClickListener(getOnItemClickListener());
    // Start loading data
    mCallback = new LoaderCallbacks<Cursor>() {

        @Override
        public Loader<Cursor> onCreateLoader(int id, Bundle arg1) {
            return new CursorLoader(getActivity(), getSearchUri(), getFields(), null, new String[] { mQuery }, getSortOrder());
        }

        @Override
        public void onLoadFinished(Loader<Cursor> loader, Cursor c) {
            mAdapter.swapCursor(c);
        }

        @Override
        public void onLoaderReset(Loader<Cursor> loader) {
            mAdapter.swapCursor(null);
        }
    };
    doSearch(mQuery);
}