Example usage for android.content CursorLoader CursorLoader

Introduction

In this page you can find the example usage for android.content CursorLoader CursorLoader.

Prototype

public CursorLoader(Context context, Uri uri, String[] projection, String selection, String[] selectionArgs,
        String sortOrder)

Source Link

Document

Creates a fully-specified CursorLoader.

Usage

From source file:com.aengbee.android.leanback.ui.MainFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    if (id == CATEGORY_LOADER) {
        return new CursorLoader(getActivity(), // Parent activity context
                VideoContract.VideoEntry.CONTENT_URI, // Table to query
                new String[] { "DISTINCT " + VideoContract.VideoEntry.COLUMN_CATEGORY },
                // Only categories
                null, // No selection clause
                null, // No selection arguments
                VideoContract.VideoEntry.COLUMN_NAME // Default sort order
        );/*w  w  w  . ja  va  2s.com*/
    } else {
        // Assume it is for a video.
        String category = args.getString(VideoContract.VideoEntry.COLUMN_CATEGORY);

        // This just creates a CursorLoader that gets all videos.
        return new CursorLoader(getActivity(), // Parent activity context
                VideoContract.VideoEntry.CONTENT_URI, // Table to query
                null, // Projection to return - null means return all fields
                VideoContract.VideoEntry.COLUMN_CATEGORY + " = ?", // Selection clause
                new String[] { category }, // Select based on the category id.
                VideoContract.VideoEntry.COLUMN_NAME// Default sort order
        );
    }
}

From source file:com.ksharkapps.musicnow.ui.activities.SearchActivity.java

/**
 * {@inheritDoc}//from  ww  w .  j  a  v  a2s .com
 */
@Override
public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
    final Uri uri = Uri.parse("content://media/external/audio/search/fancy/" + Uri.encode(mFilterString));
    final String[] projection = new String[] { BaseColumns._ID, MediaStore.Audio.Media.MIME_TYPE,
            MediaStore.Audio.Artists.ARTIST, MediaStore.Audio.Albums.ALBUM, MediaStore.Audio.Media.TITLE,
            "data1", "data2" };
    return new CursorLoader(this, uri, projection, null, null, null);
}

From source file:com.antew.redditinpictures.library.ui.RedditImageAdapterViewFragment.java

/**
 * Instantiate and return a new Loader for the given ID.
 *
 * @param id/*from  ww w  .j  av  a 2 s . c  om*/
 *     The ID whose loader is to be created.
 * @param args
 *     Any arguments supplied by the caller.
 *
 * @return Return a new Loader instance that is ready to start loading.
 */
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    switch (id) {
    case Constants.Loader.LOADER_REDDIT:
        return new CursorLoader(getActivity(), RedditContract.RedditData.CONTENT_URI, // uri
                null, // projection
                "subreddit = ?", // selection
                new String[] { mCurrentSubreddit }, // selectionArgs[]
                RedditContract.Posts.DEFAULT_SORT); // sort
    case Constants.Loader.LOADER_POSTS:
        QueryCriteria queryCriteria = getPostsQueryCriteria();
        String selection = null;
        String[] selectionArgs = null;
        List<String> selectionArgsList = new ArrayList<String>();

        // If we have an aggregate subreddit we want to return relevant things.
        if (SubredditUtil.isAggregateSubreddit(mCurrentSubreddit)) {
            selection = null;
            selectionArgs = null;
        } else if (mCurrentSubreddit.contains("+")) {
            // Poor mans checking for multis. If we have a multi, we want to handle all of them appropriately.
            String[] subredditArray = mCurrentSubreddit.split("\\+");

            for (String item : subredditArray) {
                if (selection == null) {
                    selection = RedditContract.PostColumns.SUBREDDIT + " in (?";
                } else {
                    selection += ",?";
                }
                selectionArgsList.add(item);
            }
            // Close the in statement.
            selection += ")";
        } else {
            selection = RedditContract.PostColumns.SUBREDDIT + " = ?";
            selectionArgsList.add(mCurrentSubreddit);
        }

        // If the user doesn't want to see NSFW images, filter them out. Otherwise do nothing.
        if (!SharedPreferencesHelper.getShowNsfwImages(getActivity())) {
            if (Strings.isEmpty(selection)) {
                selection = RedditContract.PostColumns.OVER_18 + " = ?";
            } else {
                selection += " and " + RedditContract.PostColumns.OVER_18 + " = ?";
            }
            selectionArgsList.add("0");
        }

        if (selectionArgsList != null && selectionArgsList.size() > 0) {
            selectionArgs = selectionArgsList.toArray(new String[] {});
        }

        Ln.d("Retrieveing Posts For %s %s", selection, Strings.toString(selectionArgs));

        return new CursorLoader(getActivity(), RedditContract.Posts.CONTENT_URI, // uri
                queryCriteria.getProjection(), // projection
                selection, // selection
                selectionArgs, // selectionArgs[]
                queryCriteria.getSort()); // sort
    default:
        return null;
    }
}

From source file:com.example.android.sampletvinput.MainFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    if (id == CATEGORY_LOADER) {
        return new CursorLoader(getActivity(), // Parent activity context
                VideoContract.VideoEntry.CONTENT_URI, // Table to query
                new String[] { "DISTINCT " + VideoContract.VideoEntry.COLUMN_CATEGORY },
                // Only categories
                null, // No selection clause
                null, // No selection arguments
                null // Default sort order
        );/* w ww . ja  v a 2  s.  co  m*/
    } else {
        // Assume it is for a video.
        String category = args.getString(VideoContract.VideoEntry.COLUMN_CATEGORY);

        // This just creates a CursorLoader that gets all videos.
        return new CursorLoader(getActivity(), // Parent activity context
                VideoContract.VideoEntry.CONTENT_URI, // Table to query
                null, // Projection to return - null means return all fields
                VideoContract.VideoEntry.COLUMN_CATEGORY + " = ?", // Selection clause
                new String[] { category }, // Select based on the category id.
                null // Default sort order
        );
    }
}

From source file:com.codebutler.farebot.activities.MainActivity.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle bundle) {
    return new CursorLoader(this, CardProvider.CONTENT_URI_CARD, CardDBHelper.PROJECTION, null, null,
            CardsTableColumns.SCANNED_AT + " DESC, " + CardsTableColumns._ID + " DESC");
}

From source file:com.example.android.sampletvinput.VideoDetailsFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    switch (id) {
    case RELATED_VIDEO_LOADER: {
        String category = args.getString(VideoContract.VideoEntry.COLUMN_CATEGORY);
        return new CursorLoader(getActivity(), VideoContract.VideoEntry.CONTENT_URI, null,
                VideoContract.VideoEntry.COLUMN_CATEGORY + " = ?", new String[] { category }, null);
    }/* w  ww.  j  a  va  2  s  .  c  o  m*/
    default: {
        // Loading video from global search.
        String videoId = args.getString(VideoContract.VideoEntry._ID);
        return new CursorLoader(getActivity(), VideoContract.VideoEntry.CONTENT_URI, null,
                VideoContract.VideoEntry._ID + " = ?", new String[] { videoId }, null);
    }
    }

}

From source file:org.alfresco.mobile.android.ui.operation.OperationWaitingDialogFragment.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    Uri baseUri = OperationsContentProvider.CONTENT_URI;

    if (parent != null) {
        return new CursorLoader(getActivity(), baseUri, OperationSchema.COLUMN_ALL,
                OperationSchema.COLUMN_PARENT_ID + "=\"" + parent.getIdentifier() + "\" AND "
                        + OperationSchema.COLUMN_REQUEST_TYPE + "=" + operationType,
                null, null);//w w w.  j a  v a  2s  .  c  om
    } else {
        return new CursorLoader(getActivity(), baseUri, OperationSchema.COLUMN_ALL,
                OperationSchema.COLUMN_REQUEST_TYPE + "=" + operationType, null, null);
    }
}

From source file:org.getlantern.firetweet.fragment.CustomTabsFragment.java

@Override
public Loader<Cursor> onCreateLoader(final int id, final Bundle args) {
    return new CursorLoader(getActivity(), Tabs.CONTENT_URI, Tabs.COLUMNS, null, null, Tabs.DEFAULT_SORT_ORDER);
}

From source file:de.hshannover.f4.trust.ironcontrol.view.list_activities.ListVendorMetadataActivity.java

@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
    Uri uri = null;// w  w w. j  a v a  2 s . c  o m
    switch (ACTIVE_VIEW) {
    case OVERVIEW:
        uri = DBContentProvider.VENDOR_METADATA_URI;
        System.out.println("onCreateLoader OVERVIEW");
        break;
    case ATTRIBUTES_VIEW:
        uri = Uri.parse(DBContentProvider.VENDOR_METADATA_URI + "/" + id + "/"
                + DBContentProvider.VENDOR_META_ATTRIBUTES);
        System.out.println("onCreateLoader ATTRIBUTES_VIEW");
        break;
    }
    CursorLoader cursorLoader = new CursorLoader(this, uri, null, null, null, null);
    return cursorLoader;
}

From source file:com.technoxist.activity.HomeActivity.java

@Override
public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
    CursorLoader cursorLoader = new CursorLoader(this, FeedColumns.GROUPED_FEEDS_CONTENT_URI,
            new String[] { FeedColumns._ID, FeedColumns.URL, FeedColumns.NAME, FeedColumns.IS_GROUP,
                    FeedColumns.GROUP_ID, FeedColumns.ICON, FeedColumns.LAST_UPDATE, FeedColumns.ERROR,
                    FEED_UNREAD_NUMBER },
            PrefUtils.getBoolean(PrefUtils.SHOW_READ, true) ? "" : "", null, null);
    cursorLoader.setUpdateThrottle(Constants.UPDATE_THROTTLE_DELAY);
    return cursorLoader;
}