Example usage for android.support.v4.content CursorLoader loadInBackground

Introduction

In this page you can find the example usage for android.support.v4.content CursorLoader loadInBackground.

Prototype

@Override
    public Cursor loadInBackground() 

Source Link

Usage

From source file:com.arcusapp.soundbox.data.MediaProvider.java

/**
 * Returns the name ({@linkplain MediaStore.Audio.Artists.ARTIST}) of all the Artists in the MediaStore.
 * /*from  w  w  w  .ja  v a2s.c om*/
 * @return list with the names
 */
public List<String> getAllArtists() {
    List<String> artists = new ArrayList<String>();

    String[] projection = { "DISTINCT " + MediaStore.Audio.Artists.ARTIST };
    String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0 AND " + MediaStore.Audio.Artists.ARTIST
            + " not null ";
    String sortOrder = MediaStore.Audio.Artists.ARTIST;

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(), defaultDirectoryUri, projection,
            selection, null, sortOrder);
    myCursor = cl.loadInBackground();

    while (myCursor.moveToNext()) {
        artists.add(myCursor.getString(0));
    }
    myCursor.close();
    return artists;
}

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From source file:com.example.user.lstapp.CreatePlaceFragment.java

private String getRealPathFromURI(Context mContext, Uri contentUri) {
    String[] proj = { MediaStore.Images.Media.DATA };
    CursorLoader loader = new CursorLoader(mContext, contentUri, proj, null, null, null);
    Cursor cursor = loader.loadInBackground();
    int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
    cursor.moveToFirst();/*from   w  w w  .j av  a  2 s. c o  m*/
    return cursor.getString(column_index);
}

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From source file:com.arcusapp.soundbox.data.MediaProvider.java

/**
 * Returns the id of all the Songs in the MediaStore.
 * //from w ww  . j a  v  a2 s.c o  m
 * @return list with the ids
 */
public List<String> getAllSongs() {
    List<String> songs = new ArrayList<String>();

    String[] cursorProjection = new String[] { MediaStore.Audio.Media._ID };
    String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0 ";
    String sortOrder = MediaStore.Audio.Media.TITLE;

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(), defaultDirectoryUri, cursorProjection,
            selection, null, sortOrder);
    myCursor = cl.loadInBackground();

    while (myCursor.moveToNext()) {
        songs.add(myCursor.getString(0));
    }

    myCursor.close();
    return songs;
}

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From source file:liqui.droid.activity.ContactListCached.java

@Override
public Cursor runQuery(CharSequence constraint) {
    CursorLoader cursorLoader = new CursorLoader(this, CONTENT_URI, null, "name NOTNULL AND name LIKE ?",
            new String[] { "%" + constraint.toString() + "%" }, mSortOrder + " " + mSortDir);
    return cursorLoader.loadInBackground();
}

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From source file:com.arcusapp.soundbox.data.MediaProvider.java

/**
 * Returns a list of SongEntries for the specified Songs.
 * //from  www.  j a v a2s.c om
 * @param songsID list of ids ({@linkplain MediaStore.Audio.Media._ID})
 * @param projection one key from {@linkplain MediaStore.Audio.Media} to associate on the SongEntry's value
 * @return a list of SongEntries
 */
public List<SongEntry> getValueFromSongs(List<String> songsID, String projection) {
    List<SongEntry> songs = new ArrayList<SongEntry>();

    String[] ids = new String[songsID.size()];
    ids = songsID.toArray(ids);

    String[] cursorProjection = new String[] { MediaStore.Audio.Media._ID, projection,
            MediaStore.Audio.Media.DATA };

    String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0 AND " + MediaStore.Audio.Media._ID + " IN (";
    for (int i = 0; i < songsID.size() - 1; i++) {
        selection += "?, ";
    }
    selection += "?)";

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(), defaultDirectoryUri, cursorProjection,
            selection, ids, null);
    myCursor = cl.loadInBackground();

    while (myCursor.moveToNext()) {
        songs.add(new SongEntry(myCursor.getString(0), myCursor.getString(1)));
    }

    Collections.sort(songs);

    myCursor.close();
    return songs;
}

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From source file:com.arcusapp.soundbox.data.MediaProvider.java

/**
 * Returns the name ({@linkplain MediaStore.Audio.Albums.ALBUM}) of all the Albums of the specified Artist in the MediaStore.
 * //from  w ww.j av a  2  s . co m
 * @param artist the name of the Artist ({@linkplain MediaStore.Audio.Artists.ARTIST})
 * @return list with the names
 */
public List<String> getAlbumsFromArtist(String artist) {
    List<String> albums = new ArrayList<String>();

    String[] projection = { "DISTINCT " + MediaStore.Audio.Artists.Albums.ALBUM };
    String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0 AND " + MediaStore.Audio.Artists.ARTIST
            + " = ?";
    String sortOrder = MediaStore.Audio.Artists.Albums.ALBUM;
    String[] selectionArgs = new String[] { artist };

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(), defaultDirectoryUri, projection,
            selection, selectionArgs, sortOrder);
    myCursor = cl.loadInBackground();

    while (myCursor.moveToNext()) {
        albums.add(myCursor.getString(0));
    }

    myCursor.close();
    return albums;
}

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From source file:com.arcusapp.soundbox.data.MediaProvider.java

/**
 * Returns the id ({@linkplain MediaStore.Audio.Media._ID}) of all the Songs of the specified Artist in the MediaStore.
 * //from ww w. j  a va2 s  .com
 * @param artist the name of the Artist ({@linkplain MediaStore.Audio.Artists.ARTIST})
 * @return list with the ids
 */
public List<String> getSongsFromArtist(String artist) {
    List<String> ids = new ArrayList<String>();

    String[] projection = { MediaStore.Audio.Media._ID };
    String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0 AND " + MediaStore.Audio.Artists.ARTIST
            + " = ?";
    String sortOrder = MediaStore.Audio.Media.TITLE;
    String[] selectionArgs = new String[] { artist };

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(), defaultDirectoryUri, projection,
            selection, selectionArgs, sortOrder);
    myCursor = cl.loadInBackground();

    while (myCursor.moveToNext()) {
        ids.add(myCursor.getString(0));
    }

    myCursor.close();
    return ids;
}

---

From source file:com.arcusapp.soundbox.data.MediaProvider.java

/**
 * Returns the id ({@linkplain MediaStore.Audio.Media._ID}) of all the Songs of the specified Album in the MediaStore.
 * /*from w  ww .j av  a2  s  . co m*/
 * @param album the name of the Album ({@linkplain MediaStore.Audio.Albums.ALBUM})
 * @return list with the ids
 */
public List<String> getSongsFromAlbum(String album) {
    List<String> ids = new ArrayList<String>();

    String[] projection = { MediaStore.Audio.Media._ID };
    String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0 AND " + MediaStore.Audio.Artists.Albums.ALBUM
            + " = ?";
    String sortOrder = MediaStore.Audio.Media.TITLE;
    String[] selectionArgs = new String[] { album };

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(), defaultDirectoryUri, projection,
            selection, selectionArgs, sortOrder);
    myCursor = cl.loadInBackground();

    while (myCursor.moveToNext()) {
        ids.add(myCursor.getString(0));
    }

    myCursor.close();
    return ids;
}

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From source file:com.arcusapp.soundbox.data.MediaProvider.java

public Song getSongFromID(String songID) {
    Song song;/*from w  w  w.  j  a  v a 2  s  .  co  m*/
    List<String> values = new ArrayList<String>();

    String[] projection = { MediaStore.Audio.Media._ID, MediaStore.Audio.Media.TITLE,
            MediaStore.Audio.Media.ARTIST, MediaStore.Audio.Media.ALBUM, MediaStore.Audio.Media.DATA };

    String selection = MediaStore.Audio.Media.IS_MUSIC + " != 0 AND " + MediaStore.Audio.Media._ID + " = ?";
    String[] selectionArgs = new String[] { songID };

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(), defaultDirectoryUri, projection,
            selection, selectionArgs, null);
    myCursor = cl.loadInBackground();

    try {
        myCursor.moveToNext();
        for (int i = 0; i < myCursor.getColumnCount(); i++)
            values.add(myCursor.getString(i));
        if (values.size() > 0) {
            song = new Song(values.get(0), values.get(1), values.get(2), values.get(3), values.get(4));
        } else {
            song = new Song();
        }
    } catch (Exception ignored) {
        song = new Song();
    }

    myCursor.close();
    return song;
}

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From source file:com.arcusapp.soundbox.data.MediaProvider.java

/**
 * Returns a list of PlaylistEntries for all the Playlists in the MediaStore.
 * //from w  w  w .j  ava2  s . co m
 * @return a list of PlaylistEntries. The value associated is the name of the Playlist ({@linkplain MediaStore.Audio.Playlists.NAME})
 */
public List<PlaylistEntry> getAllPlayLists() {
    List<PlaylistEntry> playLists = new ArrayList<PlaylistEntry>();

    String[] projection = new String[] { MediaStore.Audio.Playlists._ID, MediaStore.Audio.Playlists.NAME };

    CursorLoader cl = new CursorLoader(SoundBoxApplication.getContext(),
            MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, projection, null, null, null);
    myCursor = cl.loadInBackground();

    while (myCursor.moveToNext()) {
        playLists.add(new PlaylistEntry(myCursor.getString(0), myCursor.getString(1)));
    }

    Collections.sort(playLists);

    myCursor.close();
    return playLists;
}

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