Released: Sep 30, 2021

Updates in 2021 Volume 3

Funktionen

• Common
  • Beta to production-ready widget - The Flutter DataGrid widget has been developed to meet industrial standards and it is now marked as a production-ready widget.
• Calendar
  • Resize and Drag and Drop Appointments - Added the ability to resize and drag and drop appointments to reschedule it at different times in the calendar.
• Charts
  • Error bar - The error bar indicates the error or uncertain values in the data.
  • Smart data labels - You can now place the pie and doughnut chart data labels smartly without intersecting one another.
  • Slope and intercept values of trendlines - Added the ability to retrieve the internally calculated slope and intercept values of a trendline to use in the application later.
  • Shader fill for Cartesian chart types - Added the ability to fill the Cartesian chart types’ data points using the shader.
  • Maintaining trackball and crosshair states - Added the ability to maintain the trackball and crosshair states on device orientation change.
• DataGrid
  • Column Resizing - You can now resize the columns by tapping and dragging the right border of the column header.
  • Summary Row - Added the ability to show an additional unbound row to display a summary or totals. Users can now display a minimum, maximum, average and count in columns.
  • Checkbox Column to Select Rows - You can now show a checkbox in each row to select entire rows when the boxes are checked. Users can now select or deselect all the rows by selecting the checkbox in the header.
  • Export to Microsoft Excel and PDF - You can now export the DataGrid content, such as rows, stacked header rows and table summary rows, to Excel and PDF format with several customization options.
• Date Range Picker
  • Today Button - Added the ability to display the today button at the bottom of the Date Range Picker. When the button is clicked, the view easily moves to the current date of the picker view.
  • Selectable Day Predicate - The SelectableDayPredicate function now only allows certain days for selection. If this callback function returns true for certain days, only those days will be selectable in the date picker.
• Linear Gauge (Beta)
  • Pointer Drag Behavior - Added support for controlling the pointer drag when there are multiple pointers in a Linear Gauge. The available drag behaviors are free and constrained.
  • Pointer Start and End Callbacks - The start and end callbacks have been added to the Linear Gauge pointers to notify users about the pointer’s start and end drag actions.
• Maps (Beta)
  • Fit Bounds - Added support for specifying the visual limits for viewing a specific region in Maps.
  • Marker Alignment - Markers can now be aligned in various alignment positions based on its coordinate point.
  • Vector Line Stroke Cap - Added support for stroke caps to map vector lines and polylines.
  • Hover Color - Shapes, bubbles and vector shapes hover colors have been improved.
  • Tooltip Visibility - You can now increase or decrease the visibility of a tooltip duration. The duration will be measured in seconds.
• PDF Viewer (Beta)
  • Accessibility - Added support for screen reading.
  • Horizontal Scrolling - Horizontal scrolling allows users to scroll PDF pages horizontally.
  • Page by Page View - You can now view PDF files page by page in a horizontal direction.
  • Text Search and Selection - You can now perform text search and selection in rotated pages of a PDF document.
• Range Slider
  • Drag Mode - Various drag mode options have been added to control thumb dragging. The available options are onThumb, betweenThumbs and both.
  • Inversed Vertical Range Slider - Support has been added to change the minimum and maximum positions of the vertical range slider.
• Slider
  • Inversed Vertical Slider - Added support for changing the minimum and maximum positions of the vertical slider.
• Treemap (Beta)
  • Multiple Level Breadcrumb Navigation - Breadcrumb navigation has been improved. Users can now navigate to any previous level after drilling down to multiple levels.