C# (CSharp) Android.Support.V4.Content CursorLoader示例

示例#1

        private void GetSystemCalendar()
        {
            var calendarsUri = CalendarContract.Calendars.ContentUri;
            var loader       = new Android.Support.V4.Content.CursorLoader(Application.Context, calendarsUri, calendarsProjection, null, null, null);
            var cursor       = (ICursor)loader.LoadInBackground();

            cursor.MoveToFirst();
            defaultCalendarId = cursor.GetInt(cursor.GetColumnIndex(calendarsProjection[0]));
        }

示例#2

文件： Activity1.cs 项目： adbk/spikes

        private string CreateCursor()
        {
            string[] columns = { MediaStore.Images.Media.InterfaceConsts.Data, MediaStore.Images.Media.InterfaceConsts.Id };

            string orderBy = MediaStore.Images.Media.InterfaceConsts.Id;

            Console.WriteLine("Creating cursor");
            //_imagecursor = ManagedQuery(MediaStore.Images.Media.ExternalContentUri, columns, null, null, orderBy + " DESC");


            var loader = new CursorLoader(this, MediaStore.Images.Media.ExternalContentUri, columns, null, null, orderBy + " DESC");
            _imagecursor = (ICursor)loader.LoadInBackground();

            return orderBy;
        }