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What’s New in Essential Studio for Flutter


What’s New in Essential Studio for Flutter

Enhance your Flutter apps with new drill-down support in the Treemap widget, editing support in the DataGrid widget, and macOS support for the PDF Viewer.


Preview to production-ready widgets

The following widgets have been developed to meet industrial standards. It is now marked as production-ready widgets for Flutter:

  • Date Range Picker
  • Range Selector
  • Signature Pad
  • Spark Charts


Week numbers

Display the week numbers of the year in the month, week, and workweek views.

Week numbers in Flutter Calendar.

Resource header builder

Design and set custom views to the resource headers of timeline views.

Resource header builder in Flutter Calendar.

ID and recurrence ID for appointments

Set a unique identifier for each appointment in the Calendar and handle the exception appointments from recurrence series using the recurrence ID.


Milliseconds interval

Milliseconds interval support for date-time and date-time category axis.

Milliseconds interval.

Floating legend

Place the legend anywhere at the top of the chart.

Floating legend.

Controlling the deselection

Decide whether to deselect or let the data point remain selected on tapping the selected data point in the chart.

Controlling the deselection.

Overfilled radial bar chart

The chart indicates the value that is above the maximum value.

Overfilled radial bar.

Long press/double-tap

Trigger an event when long-pressing or double-tapping the data points.

Fetching all the calculated indicator values

Retrieve all the internally calculated indicator values for further use in the application.



This feature allows users to edit cell values. An editor widget can be loaded based on the column type to edit cell values.

editing in Flutter DataTable

Row hovering

Highlight a row when mouse hovers over it in Web and Desktop platforms.

Row highlighting in Flutter DataTable

Autofit columns and rows

Fit the rows and columns based on the value of the cells to improve readability.

Show an additional row that can be displayed below to last row. Widgets can also be displayed in the footer row.

Footer view in Flutter DataTable

Date Range Picker

Week numbers

Display the week numbers of the year in the month view of the Flutter Date Range Picker.

Week numbers in Flutter Date Range Picker.

Extendable range selection

Extend a selected range with newly selected dates.

Extendable range selection Flutter Date Range Picker.


Legend pointer

Show a pointer at the top of the legend while hovering.

Legend pointer.

PDF Viewer


macOS platform support

The PDF Viewer now lets you view PDF documents seamlessly and efficiently in macOS platform. Features such as magnification, virtual scrolling, page navigation, text selection, text search, bookmark navigation, and document link annotation are compatible with the macOS platform.

PDF Viewer macOS.

Signature Pad

onDraw callback

Get the offset of each stroke in the Signature Pad with onDraw callback.

Get strokes as path collection

The strokes in the Signature Pad can be retrieved as a ui.path collection.


Layout direction

Set a different layout direction in a squarified tree map.

Layout direction.


Sort tiles in a slice-and-dice tree map.



Drill up or down in the hierarchy of tiles in a tree map.


PDF Library

Import and export form data

Import and export form data from a PDF document. The following types of data are supported:

  • XFDF
  • FDF
  • XML
  • JSON

Import and export form data.

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