public int addMovieToFavs(Movie selectedMovie) {
   // Update a movie to mark it as a favorite
   ContentValues contentValues = new ContentValues();
   GregorianCalendar cal = new GregorianCalendar();
   contentValues.put(MovieEntry.COLUMN_FAVORITE, cal.getTimeInMillis());
   String[] selectionArgs = new String[] {selectedMovie.getMovieId()};
   return getContentResolver()
       .update(
           MovieEntry.CONTENT_URI,
           contentValues,
           MovieEntry.COLUMN_MOVIE_ID + " = ? ",
           selectionArgs);
 }
 public int removeMovieFromFavs(Movie selectedMovie) {
   String[] selectionArgs = new String[] {selectedMovie.getMovieId()};
   return getContentResolver()
       .delete(MovieEntry.CONTENT_URI, MovieEntry.COLUMN_MOVIE_ID + " = ? ", selectionArgs);
 }