CatalogActivity.java 文件源码

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {

    String[] projection = {
            PetEntry._ID,
            PetEntry.COLUMN_NAME,
            PetEntry.COLUMN_BREED
    };

    return new CursorLoader(
            this,
            PetEntry.CONTENT_URI,
            projection,
            null,
            null,
            null);
}